CODING
ASCII 
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*WIDTH 132
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      !             NOS COMPASS PROGRAMMING STANDARD             !
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                          TABLE OF CONTENTS 
  
  
 1.0 INTRODUCTION  . . . . . . . . . . . . . . . . . . . . .      6 
 1.1 SCOPE OF DOCUMENT . . . . . . . . . . . . . . . . . . .      6 
   1.1.1 PURPOSE . . . . . . . . . . . . . . . . . . . . . .      6 
   1.1.2 SCOPE OF USE  . . . . . . . . . . . . . . . . . . .      6 
 1.2 CONFORMANCE AND ENFORCEMENT . . . . . . . . . . . . . .      6 
  
 2.0 DOCUMENTATION . . . . . . . . . . . . . . . . . . . . .      7 
 2.1 INTRODUCTION  . . . . . . . . . . . . . . . . . . . . .      7 
   2.1.1 DESIGN OVERVIEW . . . . . . . . . . . . . . . . . .      7 
   2.1.2 EXTERNAL INTERFACE  . . . . . . . . . . . . . . . .      7 
   2.1.3 INTERNAL OPERATION  . . . . . . . . . . . . . . . .      8 
   2.1.4 DETAILED CODE ANALYSIS  . . . . . . . . . . . . . .      8 
 2.2 GENERAL REQUIREMENTS  . . . . . . . . . . . . . . . . .      9 
   2.2.1 ABBREVIATIONS . . . . . . . . . . . . . . . . . . .      9 
   2.2.2 PUNCTUATION . . . . . . . . . . . . . . . . . . . .      9 
   2.2.3 FORMATS . . . . . . . . . . . . . . . . . . . . . .     10 
   2.2.4 FORMAT OF ITEMIZED DOCUMENTATION  . . . . . . . . .     11 
 2.3 PROGRAM LEVEL DOCUMENTATION . . . . . . . . . . . . . .     11 
   2.3.1 OVERVIEW  . . . . . . . . . . . . . . . . . . . . .     11 
   2.3.2 EXTERNAL  . . . . . . . . . . . . . . . . . . . . .     12 
   2.3.3 INTERNAL  . . . . . . . . . . . . . . . . . . . . .     12 
 2.4 SUBROUTINE LEVEL DOCUMENTATION  . . . . . . . . . . . .     13 
   2.4.1 ENTRY CONDITIONS (ENTRY)  . . . . . . . . . . . . .     14 
   2.4.2 EXIT CONDITIONS (EXIT)  . . . . . . . . . . . . . .     14 
   2.4.3 ERROR EXIT CONDITIONS (ERROR) . . . . . . . . . . .     14 
   2.4.4 REGISTER OR DIRECT CELL USAGE (USES)  . . . . . . .     15 
   2.4.5 ROUTINES CALLED (CALLS) . . . . . . . . . . . . . .     16 
   2.4.6 COMMON OR SYSTEM DECKS REQUIRED (XREF)  . . . . . .     16 
   2.4.7 MACROS CALLED (MACROS)  . . . . . . . . . . . . . .     16 
   2.4.8 ALLOCATED REGISTERS OR DIRECT CELLS (DEFINE)  . . .     16 
   2.4.9 TIMING CONSIDERATIONS (TIMING)  . . . . . . . . . .     16 
   2.4.10 PROGRAMMING NOTES (NOTES). . . . . . . . . . . . .     16 
 2.5 CODE LEVEL DOCUMENTATION  . . . . . . . . . . . . . . .     17 
   2.5.1 STAND-ALONE COMMENTS  . . . . . . . . . . . . . . .     17 
   2.5.2 EMBEDDED COMMENTS . . . . . . . . . . . . . . . . .     17 
 2.6 MACRO LEVEL DOCUMENTATION . . . . . . . . . . . . . . .     18 
   2.6.1 ENTRY CONDITIONS (ENTRY)  . . . . . . . . . . . . .     19 
   2.6.2 EXIT CONDITIONS (EXIT)  . . . . . . . . . . . . . .     19 
   2.6.3 REGISTER OR DIRECT CELL USAGE (USES)  . . . . . . .     20 
   2.6.4 ROUTINES CALLED (CALLED)  . . . . . . . . . . . . .     20 
   2.6.5 MACROS CALLED (MACROS)  . . . . . . . . . . . . . .     20 
 2.7 DOCUMENTATION EXAMPLES  . . . . . . . . . . . . . . . .     20 
   2.7.1 PROGRAM LEVEL . . . . . . . . . . . . . . . . . . .     20 
   2.7.2 SUBROUTINE LEVEL (PP CODE)  . . . . . . . . . . . .     21 
   2.7.3 SUBROUTINE LEVEL (CP CODE)  . . . . . . . . . . . .     22 
   2.7.4 MACRO LEVEL DOCUMENTATION . . . . . . . . . . . . .     23 
  
1                                                           PAGE     3
  
  
 3.0 CODING  . . . . . . . . . . . . . . . . . . . . . . . .     24 
 3.1 CARD/LINE LAYOUTS . . . . . . . . . . . . . . . . . . .     24 
   3.1.1 COMPASS OPERATION CARDS . . . . . . . . . . . . . .     24 
   3.1.2 COMPASS COMMENT CARDS . . . . . . . . . . . . . . .     24 
 3.2 PROGRAM LAYOUT  . . . . . . . . . . . . . . . . . . . .     24 
   3.2.1 GROUP 1 INSTRUCTIONS  . . . . . . . . . . . . . . .     25 
   3.2.1.1 PERIPHERAL PROCESSOR PROGRAMS . . . . . . . . . .     25 
   3.2.1.2 CENTRAL PROCESSOR PROGRAMS  . . . . . . . . . . .     25 
   3.2.1.3 COMMON DECKS  . . . . . . . . . . . . . . . . . .     26 
   3.2.2 PROGRAM LEVEL DOCUMENTATION . . . . . . . . . . . .     26 
   3.2.3 MACRO DEFINITIONS . . . . . . . . . . . . . . . . .     26 
   3.2.4 INSTALLATION SYMBOL DEFINITIONS . . . . . . . . . .     26 
   3.2.5 LOCAL SYMBOL DEFINITIONS  . . . . . . . . . . . . .     26 
   3.2.6 GLOBAL MEMORY DEFINITIONS . . . . . . . . . . . . .     27 
   3.2.7 MAIN LOOP . . . . . . . . . . . . . . . . . . . . .     27 
   3.2.8 PRIMARY SUBROUTINES . . . . . . . . . . . . . . . .     27 
   3.2.9 SECONDARY SUBROUTINES . . . . . . . . . . . . . . .     27 
   3.2.10 WORKING STORAGE AND BUFFERS  . . . . . . . . . . .     27 
   3.2.11 INITIALIZATION CODE  . . . . . . . . . . . . . . .     27 
   3.2.12 PROGRAM TERMINATION  . . . . . . . . . . . . . . .     28 
 3.3 INSTRUCTION USE, FORMAT AND PARAMETERS  . . . . . . . .     28 
   3.3.1 REGISTER USE AND SPECIFICATION  . . . . . . . . . .     28 
   3.3.1.1 B0 REGISTER USE . . . . . . . . . . . . . . . . .     28 
   3.3.1.2 B1 REGISTER USE . . . . . . . . . . . . . . . . .     28 
   3.3.1.3 PACK AND NOMINAL SHIFT X REGISTERS  . . . . . . .     29 
   3.3.1.4 UNPACK AND NORMALIZE X REGISTERS  . . . . . . . .     29 
   3.3.2 MULTIPLE LOGICAL TESTS  . . . . . . . . . . . . . .     29 
   3.3.3 SHIFT INSTRUCTION PARAMETERS  . . . . . . . . . . .     29 
   3.3.4 BOOLEAN MASK USAGE  . . . . . . . . . . . . . . . .     31 
   3.3.5 RELATIVE ADDRESSING . . . . . . . . . . . . . . . .     31 
   3.3.6 JUMP INSTRUCTION USE  . . . . . . . . . . . . . . .     31 
   3.3.7 SUBROUTINE ENTRY  . . . . . . . . . . . . . . . . .     32 
   3.3.8 CPU CODE OPTIMIZATION . . . . . . . . . . . . . . .     33 
   3.3.9 CLEARING PP MEMORY  . . . . . . . . . . . . . . . .     34 
   3.3.10 INSTRUCTION MODIFICATION . . . . . . . . . . . . .     34 
   3.3.11 COMMON DECK REGISTER USAGE . . . . . . . . . . . .     37 
   3.3.12 PP ADK, LDK, LMK, LPK, SBK MACRO USAGE . . . . . .     37 
 3.4 DATA USE, FORMAT AND PARAMETERS . . . . . . . . . . . .     37 
   3.4.1 LITERALS  . . . . . . . . . . . . . . . . . . . . .     37 
   3.4.2 DATA FORMATS  . . . . . . . . . . . . . . . . . . .     37 
   3.4.3 TABLE GENERATION  . . . . . . . . . . . . . . . . .     38 
   3.4.4 DIRECT CELL USE . . . . . . . . . . . . . . . . . .     38 
   3.4.5 BUFFER DEFINITIONS  . . . . . . . . . . . . . . . .     39 
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 3.5 DATA/CODE NAMING TERMINOLOGY  . . . . . . . . . . . . .     39 
   3.5.1 USE OF CONDITION TERMINOLOGY  . . . . . . . . . . .     40 
   3.5.2 TAGS WITHIN SUBROUTINES . . . . . . . . . . . . . .     40 
   3.5.3 TAGS ON DATA  . . . . . . . . . . . . . . . . . . .     41 
   3.5.3.1 DIRECT CELLS  . . . . . . . . . . . . . . . . . .     41 
   3.5.3.2 CODE CONTROL NAMES  . . . . . . . . . . . . . . .     41 
   3.5.3.3 TABLE NAMES . . . . . . . . . . . . . . . . . . .     41 
   3.5.3.4 GLOBAL MEMORY LOCATIONS . . . . . . . . . . . . .     42 
   3.5.4 CONSTANTS USED AS INSTRUCTIONS  . . . . . . . . . .     42 
   3.5.5 IF/ELSE/ENDIF SYMBOLS . . . . . . . . . . . . . . .     42 
   3.5.6 NON-LOCAL MACRO SYMBOLS . . . . . . . . . . . . . .     42 
   3.5.7 LOW CORE LOCATION SYMBOLS . . . . . . . . . . . . .     43 
   3.5.8 CONTROL POINT AREA LOCATION SYMBOLS . . . . . . . .     43 
   3.5.9 MONITOR FUNCTION SYMBOLS  . . . . . . . . . . . . .     43 
   3.5.10 NEGATIVE FIELD LENGTH SYMBOLS  . . . . . . . . . .     43 
 3.6 PSEUDO INSTRUCTION USE, FORMAT AND PARAMETERS . . . . .     43 
   3.6.1 BASE AND POST RADIX USE . . . . . . . . . . . . . .     43 
   3.6.2 EXTERNAL REFERENCES . . . . . . . . . . . . . . . .     43 
   3.6.3 SPACE CARD FORMAT . . . . . . . . . . . . . . . . .     44 
   3.6.4 CONDITIONAL CODE  . . . . . . . . . . . . . . . . .     44 
   3.6.5 MACROS  . . . . . . . . . . . . . . . . . . . . . .     45 
   3.6.6 DIS PSEUDO INSTRUCTION  . . . . . . . . . . . . . .     45 
 3.7 TESTS FOR OVERFLOW  . . . . . . . . . . . . . . . . . .     46 
   3.7.1 CM LOADS  . . . . . . . . . . . . . . . . . . . . .     46 
   3.7.2 TABLE OVERFLOW  . . . . . . . . . . . . . . . . . .     46 
   3.7.3 MASS STORAGE LOADS  . . . . . . . . . . . . . . . .     47 
   3.7.4 OVERLAY LOADS . . . . . . . . . . . . . . . . . . .     47 
 3.8 RELOCATABLE CPU CODE  . . . . . . . . . . . . . . . . .     47 
 3.9 ROUTINE/SUBROUTINE  . . . . . . . . . . . . . . . . . .     48 
  
 4.0 MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . .     48 
 4.1 PROGRAM NAMING  . . . . . . . . . . . . . . . . . . . .     48 
   4.1.1 LENGTH OF PROGRAM NAME  . . . . . . . . . . . . . .     48 
   4.1.2 RESERVED NAMES  . . . . . . . . . . . . . . . . . .     49 
   4.1.3 COMMON DECK NAMES . . . . . . . . . . . . . . . . .     49 
 4.2 CODE TRANSMITTAL RULES  . . . . . . . . . . . . . . . .     50 
   4.2.1 GENERAL RULES . . . . . . . . . . . . . . . . . . .     50 
   4.2.2 MODSET FORMAT . . . . . . . . . . . . . . . . . . .     50 
   4.2.2.1 MODSET IDENTIFIER . . . . . . . . . . . . . . . .     51 
   4.2.2.2 MODSET CORRECTION LETTER  . . . . . . . . . . . .     52 
   4.2.2.3 OVERFLOW  . . . . . . . . . . . . . . . . . . . .     52 
   4.2.2.4 MODSET EXAMPLE  . . . . . . . . . . . . . . . . .     52 
 4.3 INTERFACE CONSIDERATIONS  . . . . . . . . . . . . . . .     53 
   4.3.1 SYSTEM SUPPLIED INTERFACES  . . . . . . . . . . . .     54 
   4.3.2 PARAMETER VALIDATION  . . . . . . . . . . . . . . .     54 
   4.3.3 MEMORY ACCESS . . . . . . . . . . . . . . . . . . .     54 
   4.3.4 SECURITY  . . . . . . . . . . . . . . . . . . . . .     54 
   4.3.5 RESERVATIONS AND INTERLOCKS . . . . . . . . . . . .     54 
   4.3.6 DOCUMENTING HARDWARE DEFICIENCIES . . . . . . . . .     55 
   4.3.7 NEW FUNCTION/LOW CORE IDENTIFIERS . . . . . . . . .     55 
   4.3.8 DECK INTERDEPENDENCIES  . . . . . . . . . . . . . .     55 
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 4.4 MODULARITY  . . . . . . . . . . . . . . . . . . . . . .     55 
   4.4.1 PP OVERLAYS . . . . . . . . . . . . . . . . . . . .     55 
   4.4.2 HELPER PP-S . . . . . . . . . . . . . . . . . . . .     56 
   4.4.3 COMMON DECKS  . . . . . . . . . . . . . . . . . . .     56 
 4.5 DAYFILE MESSAGES  . . . . . . . . . . . . . . . . . . .     56 
 4.6 UNHANGABLE CHANNEL CODE . . . . . . . . . . . . . . . .     57 
 4.7 SPECIAL ENTRY POINTS  . . . . . . . . . . . . . . . . .     57 
 4.8 SCRATCH FILE NAMES  . . . . . . . . . . . . . . . . . .     58 
  
 APPENDIX A - ABBREVIATIONS  . . . . . . . . . . . . . . . .     59 
   A.1 GENERAL ABBREVIATIONS . . . . . . . . . . . . . . . .     59 
   A.2 NETWORK HOST PRODUCTS ABBREVIATIONS . . . . . . . . .     60 
   A.3 ACRONYMS  . . . . . . . . . . . . . . . . . . . . . .     61 
  
 APPENDIX B - ERROR MESSAGE GUIDELINES . . . . . . . . . . .     62 
  
 APPENDIX C - DOCUMENTATION/USABILITY GUIDELINES . . . . . .     64 
  
  
1                                                           PAGE     6
  
  
 1.0  INTRODUCTION
  
  
 1.1 SCOPE OF DOCUMENT
  
  
 1.1.1 PURPOSE
  
 T^H^I^S ^D^O^C^U^M^E^N^T ^E^S^T^A^B^L^I^S^H^E^S ^S^T^A^N^D^A^R^D ^P^R^O^C^E^D^U^R^E^S ^T^O ^B^E ^U^S^E^D ^B^Y
 ^P^R^O^G^R^A^M^M^E^R^S ^I^N ^T^H^E ^D^E^V^E^L^O^P^M^E^N^T ^A^N^D ^M^A^I^N^T^E^N^A^N^C^E ^O^F ^P^R^O^G^R^A^M^S ^I^N 
 COMPASS A^S^S^E^M^B^L^Y L^A^N^G^U^A^G^E. 
  
 T^H^I^S ^D^O^C^U^M^E^N^T ^S^H^O^U^L^D ^B^E ^U^S^E^D ^B^Y ^P^R^O^G^R^A^M^M^E^R^S ^A^S ^A ^R^E^F^E^R^E^N^C^E ^M^A^N^U^A^L ^O^F 
 ^S^T^A^N^D^A^R^D ^P^R^O^G^R^A^M^M^I^N^G ^P^R^O^C^E^D^U^R^E^S.  T^H^E ^I^M^P^L^E^M^E^N^T^A^T^I^O^N ^O^F ^T^H^E^S^E
 ^P^R^O^C^E^D^U^R^E^S ^W^I^L^L ^I^N^C^R^E^A^S^E ^T^H^E ^E^F^F^I^C^I^E^N^C^Y ^O^F ^P^R^O^G^R^A^M ^D^E^V^E^L^O^P^M^E^N^T, 
 ^I^M^P^R^O^V^E ^T^H^E ^R^E^L^I^A^B^I^L^I^T^Y ^A^N^D ^M^A^I^N^T^A^I^N^A^B^I^L^I^T^Y ^O^F ^T^H^E ^P^R^O^G^R^A^M ^A^N^D ^A^I^D
 ^I^N ^T^H^E ^T^R^A^I^N^I^N^G ^O^F ^P^E^R^S^O^N^S ^W^H^O ^W^I^L^L ^B^E ^M^A^I^N^T^A^I^N^I^N^G ^O^R ^U^S^I^N^G ^T^H^E
 ^P^R^O^G^R^A^M.
  
  
 1.1.2 SCOPE OF USE 
  
 T^H^E ^P^R^O^C^E^D^U^R^E^S ^D^E^F^I^N^E^D ^I^N ^T^H^I^S ^D^O^C^U^M^E^N^T ^A^R^E ^A^P^P^L^I^C^A^B^L^E ^T^O ^T^H^E 
 NETWORK OPERATING SYSTEM (NOS) ^A^N^D ^I^T^S ^R^E^L^A^T^E^D ^S^U^B^S^Y^S^T^E^M^S.
  
  
 1.2 CONFORMANCE AND ENFORCEMENT
  
 T^H^E ^P^R^O^C^E^D^U^R^E^S ^D^E^F^I^N^E^D ^I^N ^T^H^I^S ^D^O^C^U^M^E^N^T ^A^R^E ^T^O ^B^E ^U^S^E^D ^I^N ^A^L^L ^N^E^W^L^Y
 ^D^E^V^E^L^O^P^E^D ^P^R^O^G^R^A^M^S.  I^N ^E^X^I^S^T^I^N^G ^P^R^O^G^R^A^M^S ^T^H^E^S^E ^P^R^O^C^E^D^U^R^E^S ^S^H^O^U^L^D ^B^E
 ^U^S^E^D ^I^F ^T^H^E^Y ^A^R^E ^N^O^T ^I^N^C^O^N^S^I^S^T^E^N^T ^W^I^T^H ^T^H^E ^E^X^I^S^T^I^N^G ^P^R^O^C^E^D^U^R^E^S.  I^F
 ^M^A^J^O^R ^C^H^A^N^G^E^S (^S^U^C^H ^A^S ^A ^R^E^W^R^I^T^T^E^N ^S^U^B^R^O^U^T^I^N^E ^O^R ^A ^N^E^W ^O^V^E^R^L^A^Y) ^A^R^E
 ^M^A^D^E ^T^O ^A ^P^R^O^G^R^A^M, ^T^H^E^S^E ^P^R^O^C^E^D^U^R^E^S ^A^R^E ^T^O ^B^E ^U^S^E^D ^F^O^R ^T^H^E ^C^H^A^N^G^E^S. 
  
 P^R^O^G^R^A^M^S ^W^H^I^C^H ^D^O ^N^O^T ^C^O^N^F^O^R^M ^T^O ^T^H^E^S^E ^R^E^Q^U^I^R^E^M^E^N^T^S ^W^I^L^L ^B^E ^R^E^T^U^R^N^E^D
 ^T^O ^T^H^E ^P^R^O^G^R^A^M^M^E^R ^F^O^R ^C^O^R^R^E^C^T^I^O^N.
  
  
  
1                                                           PAGE     7
  
  
 2.0  DOCUMENTATION 
  
  
 2.1 INTRODUCTION 
  
 D^O^C^U^M^E^N^T^A^T^I^O^N ^I^S ^T^H^E ^P^R^E^S^E^N^T^A^T^I^O^N ^O^F ^I^N^F^O^R^M^A^T^I^O^N ^A^B^O^U^T ^A ^P^R^O^G^R^A^M ^I^N 
 ^E^A^S^I^L^Y ^U^N^D^E^R^S^T^A^N^D^A^B^L^E ^F^O^R^M ^S^O ^T^H^A^T ^T^H^O^S^E ^W^H^O ^N^E^E^D ^T^O ^U^N^D^E^R^S^T^A^N^D ^T^H^E 
 ^P^R^O^G^R^A^M ^D^O ^N^O^T ^N^E^E^D ^T^O ^S^T^U^D^Y ^T^H^E ^P^R^O^G^R^A^M ^I^T^S^E^L^F.  T^H^I^S ^R^E^D^U^C^E^S ^T^H^E 
 ^T^I^M^E ^C^O^N^S^U^M^E^D ^F^R^O^M ^D^A^Y^S ^O^R ^W^E^E^K^S ^T^O ^J^U^S^T ^M^I^N^U^T^E^S ^O^R ^H^O^U^R^S.
  
 T^H^E ^P^R^O^G^R^A^M ^D^O^C^U^M^E^N^T^A^T^I^O^N ^P^R^E^S^E^N^T^E^D ^I^N ^T^H^I^S ^S^T^A^N^D^A^R^D ^I^S ^E^M^B^E^D^D^E^D
 ^W^I^T^H^I^N ^T^H^E ^S^O^U^R^C^E ^L^A^N^G^U^A^G^E ^O^F ^E^A^C^H ^P^R^O^G^R^A^M.  T^H^E ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^S 
 ^D^E^S^I^G^N^E^D ^T^O ^B^E ^E^X^T^R^A^C^T^A^B^L^E ^B^Y ^T^H^E ^S^T^A^N^D^A^R^D ^D^O^C^U^M^E^N^T^A^T^I^O^N ^P^R^O^C^E^S^S^I^N^G 
 ^P^R^O^G^R^A^M, DOCMENT.  T^H^I^S ^A^P^P^R^O^A^C^H ^S^E^R^V^E^S ^T^O ^U^N^I^F^Y ^T^H^E ^P^R^O^G^R^A^M ^A^N^D ^I^T^S
 ^D^O^C^U^M^E^N^T^A^T^I^O^N, ^M^A^K^I^N^G ^I^T ^E^A^S^I^E^R ^A^N^D ^M^O^R^E ^N^A^T^U^R^A^L ^T^O ^U^P^D^A^T^E ^T^H^E 
 ^D^O^C^U^M^E^N^T^A^T^I^O^N ^A^S ^C^H^A^N^G^E^S ^A^R^E ^M^A^D^E ^T^O ^T^H^E ^C^O^D^E. 
  
 T^H^E ^E^F^F^E^C^T^I^V^E^N^E^S^S ^O^F ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^S ^J^U^D^G^E^D ^B^Y ^I^T^S ^S^U^C^C^E^S^S ^I^N 
 ^M^E^E^T^I^N^G ^T^H^E ^N^E^E^D^S ^O^F ^T^H^O^S^E ^W^H^O ^U^S^E ^I^T.  T^H^I^S ^I^N^T^R^O^D^U^C^T^I^O^N ^D^E^F^I^N^E^S
 ^F^O^U^R ^D^I^S^T^I^N^C^T ^N^E^E^D^S ^F^O^R ^D^O^C^U^M^E^N^T^A^T^I^O^N ^W^H^I^C^H ^A^R^I^S^E ^D^U^R^I^N^G ^T^H^E ^L^I^F^E ^O^F 
 ^A ^S^O^F^T^W^A^R^E ^P^R^O^D^U^C^T.  S^E^C^T^I^O^N^S 2.3 ^T^H^R^O^U^G^H 2.5 ^D^E^F^I^N^E ^T^H^R^E^E ^L^E^V^E^L^S ^O^F
 ^D^O^C^U^M^E^N^T^A^T^I^O^N (P^R^O^G^R^A^M L^E^V^E^L, S^U^B^R^O^U^T^I^N^E L^E^V^E^L ^A^N^D C^O^D^E L^E^V^E^L) ^W^H^I^C^H
 ^T^O^G^E^T^H^E^R ^M^E^E^T ^T^H^E^S^E ^N^E^E^D^S. 
  
 S^E^C^T^I^O^N 2.7 ^G^I^V^E^S ^E^X^A^M^P^L^E^S ^O^F ^P^R^O^P^E^R ^D^O^C^U^M^E^N^T^A^T^I^O^N.
  
  
 2.1.1 DESIGN OVERVIEW
  
 A^N^Y^O^N^E ^W^A^N^T^I^N^G ^T^O ^K^N^O^W ^T^H^E ^S^T^R^U^C^T^U^R^E ^O^F ^T^H^E ^S^Y^S^T^E^M, ^O^R ^S^O^M^E 
 ^F^U^N^C^T^I^O^N^A^L ^A^R^E^A, ^D^O^E^S ^N^O^T ^W^A^N^T ^E^X^C^E^S^S^I^V^E^L^Y ^D^E^T^A^I^L^E^D ^I^N^F^O^R^M^A^T^I^O^N 
 ^W^H^I^C^H ^W^I^L^L ^M^A^K^E ^T^H^E ^T^A^S^K ^M^O^R^E ^D^I^F^F^I^C^U^L^T.  O^N^E ^S^H^O^U^L^D ^B^E ^A^B^L^E ^T^O ^A^S^K
 ^T^H^E ^Q^U^E^S^T^I^O^N@D
  
          W^H^A^T ^I^S ^T^H^E ^F^U^N^C^T^I^O^N ^O^F ^T^H^I^S ^P^R^O^G^R^A^M?
  
 ^A^N^D ^G^E^T ^A^N ^A^N^S^W^E^R ^T^H^A^T ^I^S ^B^R^I^E^F ^A^N^D ^T^O ^T^H^E ^P^O^I^N^T.  I^T ^S^H^O^U^L^D ^N^O^T 
 ^C^O^N^T^A^I^N ^A^N^Y ^I^N^F^O^R^M^A^T^I^O^N ^A^B^O^U^T ^T^H^E ^I^N^P^U^T ^P^A^R^A^M^E^T^E^R^S, ^O^P^T^I^O^N^S, ^E^R^R^O^R 
 ^C^O^N^D^I^T^I^O^N^S, ^O^R ^I^N^T^E^R^N^A^L ^W^O^R^K^I^N^G^S ^O^F ^T^H^E ^P^R^O^G^R^A^M. 
  
  
 2.1.2 EXTERNAL INTERFACE 
  
 A^N^Y^O^N^E ^W^H^O ^K^N^O^W^S ^T^H^E ^F^U^N^C^T^I^O^N ^O^F ^A ^P^R^O^G^R^A^M ^A^N^D ^W^A^N^T^S ^T^O ^K^N^O^W ^H^O^W ^T^O 
 ^I^N^T^E^R^F^A^C^E ^T^O ^T^H^E ^P^R^O^G^R^A^M ^N^E^E^D^S ^T^O ^K^N^O^W ^T^H^E ^F^O^R^M ^O^F ^T^H^E ^C^A^L^L, ^W^H^A^T
 ^P^A^R^A^M^E^T^E^R^S ^T^O ^S^U^P^P^L^Y, ^W^H^A^T ^I^N^F^O^R^M^A^T^I^O^N ^I^S ^R^E^T^U^R^N^E^D, ^A^N^D ^W^H^A^T ^I^S
 ^A^C^C^O^M^P^L^I^S^H^E^D.  O^N^E ^S^H^O^U^L^D ^B^E ^A^B^L^E ^T^O ^A^S^K ^T^H^E ^Q^U^E^S^T^I^O^N@D
1                                                           PAGE     8
  
  
  
          H^O^W ^I^S ^T^H^I^S ^P^R^O^G^R^A^M ^U^S^E^D?
  
 ^A^N^D ^G^E^T ^A^N ^A^N^S^W^E^R ^T^H^A^T ^L^I^S^T^S ^T^H^E ^P^A^R^A^M^E^T^E^R ^D^E^F^I^N^I^T^I^O^N^S, ^F^O^R^M^A^T^S, ^A^N^D 
 ^C^O^N^T^E^N^T^S, ^T^H^E ^I^N^I^T^I^A^L ^C^O^N^D^I^T^I^O^N^S ^O^F ^B^U^F^F^E^R^S ^A^N^D ^D^E^V^I^C^E^S, ^A^N^Y ^S^T^A^T^U^S
 ^A^N^D ^C^O^N^D^I^T^I^O^N ^I^N^F^O^R^M^A^T^I^O^N, ^A ^L^I^S^T ^O^F ^O^T^H^E^R ^P^R^O^G^R^A^M^S ^C^A^L^L^E^D, ^A^N^D ^A 
 ^C^O^M^P^L^E^T^E ^L^I^S^T ^O^F ^E^R^R^O^R ^C^O^D^E^S, ^E^R^R^O^R ^M^E^S^S^A^G^E^S ^I^S^S^U^E^D ^A^N^D ^P^A^R^A^M^E^T^E^R^S 
 ^R^E^T^U^R^N^E^D.  A ^G^E^N^E^R^A^L ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^T^H^E ^A^C^T^I^O^N^S ^T^A^K^E^N ^S^H^O^U^L^D ^B^E 
 ^I^N^C^L^U^D^E^D ^F^O^R ^E^A^C^H ^F^U^N^C^T^I^O^N ^P^E^R^F^O^R^M^E^D ^T^H^A^T ^I^S ^R^E^C^O^G^N^I^Z^A^B^L^E ^B^Y ^T^H^E
 ^C^A^L^L^I^N^G ^P^R^O^G^R^A^M. 
  
  
 2.1.3 INTERNAL OPERATION 
  
 A^N^Y^O^N^E ^W^O^R^K^I^N^G ^O^N ^A ^M^O^D^I^F^I^C^A^T^I^O^N ^O^R ^E^N^H^A^N^C^E^M^E^N^T ^T^O ^T^H^E ^S^Y^S^T^E^M ^N^E^E^D^S
 ^A ^G^E^N^E^R^A^L ^K^N^O^W^L^E^D^G^E ^O^F ^T^H^E ^I^N^T^E^R^N^A^L ^O^P^E^R^A^T^I^O^N ^O^F ^A ^P^R^O^G^R^A^M.  T^H^I^S
 ^R^E^Q^U^I^R^E^S ^F^I^N^D^I^N^G ^O^U^T ^W^H^E^R^E ^W^I^T^H^I^N ^T^H^E ^P^R^O^G^R^A^M ^S^O^M^E ^F^U^N^C^T^I^O^N ^I^S
 ^P^E^R^F^O^R^M^E^D ^A^N^D ^H^O^W ^I^T ^I^S ^P^E^R^F^O^R^M^E^D.  O^N^E ^S^H^O^U^L^D ^B^E ^A^B^L^E ^T^O ^A^S^K ^T^H^E
 ^Q^U^E^S^T^I^O^N@D 
  
          H^O^W ^D^O^E^S ^T^H^I^S ^P^R^O^G^R^A^M ^W^O^R^K?
  
 ^A^N^D ^G^E^T ^A^N ^A^N^S^W^E^R ^T^H^A^T ^I^N^C^L^U^D^E^S ^A ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^T^H^E ^L^O^G^I^C^A^L ^F^L^O^W
 ^A^N^D ^S^T^R^U^C^T^U^R^E ^O^F ^T^H^E ^P^R^O^G^R^A^M, ^T^H^E ^A^L^G^O^R^I^T^H^M^S ^U^S^E^D ^A^N^D ^T^H^E ^F^U^N^C^T^I^O^N
 ^P^E^R^F^O^R^M^E^D ^B^Y ^E^A^C^H ^O^V^E^R^L^A^Y ^O^R ^S^U^B^R^O^U^T^I^N^E ^I^N ^T^H^E ^P^R^O^G^R^A^M.
  
  
 2.1.4 DETAILED CODE ANALYSIS 
  
 A^N^Y^O^N^E ^A^T^T^E^M^P^T^I^N^G ^T^O ^M^O^D^I^F^Y ^T^H^E ^P^R^O^G^R^A^M ^O^R ^E^S^T^A^B^L^I^S^H ^A ^K^N^O^W^L^E^D^G^E ^O^F
 ^T^H^E ^D^E^T^A^I^L^E^D ^O^P^E^R^A^T^I^O^N ^O^F ^A ^P^R^O^G^R^A^M ^U^S^E^S ^T^H^E ^L^I^S^T^I^N^G.  D^O^C^U^M^E^N^T^A^T^I^O^N 
 ^S^H^O^U^L^D ^B^E ^P^R^O^V^I^D^E^D ^I^N ^T^H^E ^L^I^S^T^I^N^G ^T^O ^A^I^D ^I^N ^F^O^L^L^O^W^I^N^G ^T^H^E ^F^L^O^W ^O^F 
 ^T^H^E ^P^R^O^G^R^A^M ^W^I^T^H^O^U^T ^R^E^A^D^I^N^G ^A^L^L ^O^F ^T^H^E ^C^O^D^E.  T^H^I^S ^D^O^C^U^M^E^N^T^A^T^I^O^N 
 ^C^O^N^S^I^S^T^S ^O^F ^C^O^M^M^E^N^T^S ^W^I^T^H^I^N ^T^H^E ^C^O^D^E ^I^T^S^E^L^F.  C^O^M^M^E^N^T^S ^D^E^S^C^R^I^B^I^N^G
 ^T^H^E ^F^U^N^C^T^I^O^N ^O^F ^L^O^G^I^C^A^L ^G^R^O^U^P^S ^O^F ^I^N^S^T^R^U^C^T^I^O^N^S ^S^H^O^U^L^D ^B^E ^P^R^O^V^I^D^E^D, 
 ^A^N^D ^C^O^M^M^E^N^T^S ^D^O^C^U^M^E^N^T^I^N^G ^T^A^B^L^E ^S^T^R^U^C^T^U^R^E^S, ^D^A^T^A ^A^R^E^A^S, ^A^N^D ^C^O^N^S^T^A^N^T^S 
 ^S^H^O^U^L^D ^A^P^P^E^A^R ^O^N ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N^S ^W^H^I^C^H ^D^E^F^I^N^E ^T^H^E^M.  O^N^E ^S^H^O^U^L^D ^B^E
 ^A^B^L^E ^T^O ^A^S^K ^T^H^E ^Q^U^E^S^T^I^O^N@D 
  
          W^H^A^T ^S^H^O^U^L^D I ^K^N^O^W ^W^H^E^N ^M^O^D^I^F^Y^I^N^G ^T^H^I^S ^P^R^O^G^R^A^M?
  
 ^A^N^D ^G^E^T ^B^A^C^K ^A^N ^A^N^S^W^E^R ^W^I^T^H ^A^L^L ^T^H^E ^D^E^T^A^I^L ^N^E^E^D^E^D ^T^O ^M^A^K^E ^T^H^E 
 ^M^O^D^I^F^I^C^A^T^I^O^N^S ^W^I^T^H^O^U^T ^A^D^V^E^R^S^E^L^Y ^A^F^F^E^C^T^I^N^G ^E^X^I^S^T^I^N^G ^P^R^O^G^R^A^M ^F^U^N^C^T^I^O^N^S.
  
  
1                                                           PAGE     9
  
  
 2.2 GENERAL REQUIREMENTS 
  
  
 2.2.1 ABBREVIATIONS
  
 T^H^E ^A^B^B^R^E^V^I^A^T^I^O^N^S ^F^O^R ^T^E^C^H^N^I^C^A^L ^T^E^R^M^S ^W^H^I^C^H ^A^R^E ^T^O ^B^E ^U^S^E^D ^I^N
 ^P^R^O^G^R^A^M ^D^O^C^U^M^E^N^T^A^T^I^O^N ^A^R^E ^L^I^S^T^E^D ^I^N A^P^P^E^N^D^I^X A.  A^L^L ^O^T^H^E^R ^T^E^C^H^N^I^C^A^L 
 ^W^O^R^D^S ^A^N^D ^P^H^R^A^S^E^S ^A^R^E ^C^O^M^P^L^E^T^E^L^Y ^S^P^E^L^L^E^D ^O^U^T.  R^O^U^T^I^N^E ^N^A^M^E^S ^A^N^D 
 ^M^N^E^M^O^N^I^C ^N^A^M^E^S ^O^F ^T^A^B^L^E^S ^A^N^D ^E^Q^U^I^P^M^E^N^T^S ^A^R^E ^N^O^T ^C^O^N^S^I^D^E^R^E^D 
 ^A^B^B^R^E^V^I^A^T^I^O^N^S.
  
 A ^P^R^O^G^R^A^M ^W^H^O^S^E ^D^O^C^U^M^E^N^T^A^T^I^O^N ^M^A^K^E^S ^E^X^T^E^N^S^I^V^E ^U^S^E ^O^F ^T^E^R^M^S ^N^O^T ^I^N
 ^T^H^I^S ^L^I^S^T ^M^A^Y ^D^E^F^I^N^E ^A ^L^I^S^T ^O^F ^A^B^B^R^E^V^I^A^T^I^O^N^S ^A^N^D ^I^N^C^L^U^D^E ^I^T ^I^N ^T^H^E 
 ^F^I^R^S^T ^S^E^C^T^I^O^N ^O^F ^T^H^E ^I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^F^O^R ^T^H^E ^P^R^O^G^R^A^M.  S^U^C^H 
 ^A^B^B^R^E^V^I^A^T^I^O^N^S ^M^A^Y ^N^O^T ^B^E ^U^S^E^D ^I^N ^T^H^E ^P^R^O^G^R^A^M ^O^V^E^R^V^I^E^W ^O^R ^E^X^T^E^R^N^A^L 
 ^D^O^C^U^M^E^N^T^A^T^I^O^N.
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^S^T^A^N^D^A^R^D ^S^Y^M^B^O^L^S ^A^R^E ^U^S^E^D ^I^N ^T^H^E ^D^O^C^U^M^E^N^T^A^T^I^O^N ^W^H^E^N 
 ^E^X^P^R^E^S^S^I^N^G ^L^O^G^I^C^A^L ^A^N^D ^A^R^I^T^H^M^E^T^I^C ^C^O^M^P^A^R^I^S^O^N^S@D 
  
        .NOT.   ^L^O^G^I^C^A^L ^I^N^V^E^R^S^E 
        .XOR.   ^L^O^G^I^C^A^L ^D^I^F^F^E^R^E^N^C^E (^E^X^C^L^U^S^I^V^E ^O^R) 
        .AND.   ^L^O^G^I^C^A^L ^P^R^O^D^U^C^T 
        .OR.    L^O^G^I^C^A^L ^S^U^M (^I^N^C^L^U^S^I^V^E ^O^R)
        .EQ.    ^E^Q^U^A^L ^T^O 
        .NE.    N^O^T ^E^Q^U^A^L ^T^O 
        .LE.    L^E^S^S ^T^H^A^N ^O^R ^E^Q^U^A^L ^T^O 
        .GE.    G^R^E^A^T^E^R ^T^H^A^N ^O^R ^E^Q^U^A^L ^T^O 
        .LT.    L^E^S^S ^T^H^A^N
        .GT.    G^R^E^A^T^E^R ^T^H^A^N
        =       ^E^Q^U^A^L ^T^O 
        ()      ^C^O^N^T^E^N^T^S ^O^F 
        (())    ^C^O^N^T^E^N^T^S ^O^F ^T^H^E ^C^O^N^T^E^N^T^S ^O^F (^I^N^D^I^R^E^C^T ^A^D^D^R^E^S^S^I^N^G)
  
  
 2.2.2 PUNCTUATION
  
 A^L^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^A^N^D ^C^O^M^M^E^N^T ^L^I^N^E^S ^C^O^N^T^A^I^N ^C^O^M^P^L^E^T^E E^N^G^L^I^S^H
 ^S^E^N^T^E^N^C^E^S ^W^I^T^H ^C^O^R^R^E^C^T ^P^U^N^C^T^U^A^T^I^O^N.  E^X^C^E^P^T^I^O^N^S ^A^R^E ^A^L^L^O^W^E^D ^I^N 
 ^S^U^B^R^O^U^T^I^N^E ^H^E^A^D^I^N^G^S (^S^E^E ^S^E^C^T^I^O^N 2.4) ^A^N^D ^I^N ^E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T^S (^S^E^E
 ^S^E^C^T^I^O^N 2.5.2).  T^I^T^L^E^S (^S^U^C^H ^A^S "A^S^S^E^M^B^L^Y C^O^N^S^T^A^N^T^S.") ^S^H^O^U^L^D ^E^N^D 
 ^W^I^T^H ^A ^P^E^R^I^O^D ^B^U^T ^N^E^E^D ^N^O^T ^B^E ^C^O^M^P^L^E^T^E ^S^E^N^T^E^N^C^E^S.  E^A^C^H ^C^O^M^M^E^N^T
 (^E^X^C^L^U^D^I^N^G ^E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T^S) ^S^H^O^U^L^D ^E^N^D ^W^I^T^H ^A ^P^E^R^I^O^D ^E^V^E^N ^I^F ^I^T ^I^S
 ^N^O^T ^A ^S^E^N^T^E^N^C^E.
  
 C^O^R^R^E^C^T ^P^U^N^C^T^U^A^T^I^O^N ^M^E^A^N^S ^T^H^E ^S^A^M^E ^P^U^N^C^T^U^A^T^I^O^N ^A^S ^R^E^Q^U^I^R^E^D ^I^N
 ^W^R^I^T^T^E^N E^N^G^L^I^S^H.  H^O^W^E^V^E^R, ^T^H^E ^A^P^O^S^T^R^O^P^H^E ^P^R^E^S^E^N^T^S ^P^R^O^B^L^E^M^S ^D^U^E ^T^O
 ^C^H^A^R^A^C^T^E^R ^S^E^T ^A^N^D ^P^R^I^N^T ^T^R^A^I^N ^D^I^F^F^E^R^E^N^C^E^S, ^A^N^D ^P^L^U^R^A^L^S ^O^F
 ^A^B^B^R^E^V^I^A^T^I^O^N^S ^A^R^E ^N^O^T ^R^E^A^D^A^B^L^E ^W^I^T^H^O^U^T ^U^P^P^E^R ^A^N^D ^L^O^W^E^R ^C^A^S^E.
 T^H^E^R^E^F^O^R^E, ^P^L^U^R^A^L^S ^A^N^D ^P^O^S^S^E^S^S^I^V^E ^F^O^R^M^S ^O^F ^A^B^B^R^E^V^I^A^T^E^D ^T^E^R^M^S ^A^R^E ^T^O
 ^B^E ^A^V^O^I^D^E^D.  A^U^T^H^O^R^I^Z^E^D ^A^B^B^R^E^V^I^A^T^I^O^N^S (^S^E^E ^S^E^C^T^I^O^N 2.2.1) ^A^R^E ^M^A^D^E 
 ^P^L^U^R^A^L ^B^Y ^A^D^D^I^N^G ^A ^H^Y^P^H^E^N ^A^N^D ^T^H^E ^L^E^T^T^E^R "^S" (^E.^G.  PP-S). 
  
1                                                           PAGE    10
  
  
 I^F ^A^N ^U^P^P^E^R ^C^A^S^E ^I^T^E^M ^I^S ^T^O ^B^E ^I^N^D^I^C^A^T^E^D ^I^N ^T^H^E ^D^O^C^U^M^E^N^T^A^T^I^O^N, ^I^T ^I^S
 ^E^N^C^L^O^S^E^D ^W^I^T^H^I^N ^A^S^T^E^R^I^S^K^S.  U^P^P^E^R ^C^A^S^E ^I^S ^U^S^E^D ^F^O^R ^N^A^M^E^S ^O^F ^F^I^L^E^S, 
 ^P^R^O^G^R^A^M^S, ^C^A^L^L^I^N^G ^P^A^R^A^M^E^T^E^R^S, ^S^U^B^R^O^U^T^I^N^E ^T^A^G^S, ^T^A^B^L^E ^N^A^M^E^S ^A^N^D ^A^N^Y
 ^O^T^H^E^R ^W^O^R^D^S ^T^H^A^T ^A^R^E ^N^O^R^M^A^L^L^Y ^C^A^P^I^T^A^L^I^Z^E^D .  A^C^C^E^P^T^E^D ^A^B^B^R^E^V^I^A^T^I^O^N^S, 
 ^A^C^R^O^N^Y^M^S, ^A^N^D ^P^R^O^G^R^A^M^M^I^N^G ^L^A^N^G^U^A^G^E ^N^A^M^E^S ^A^R^E ^N^O^T ^E^N^C^L^O^S^E^D ^I^N
 ^A^S^T^E^R^I^S^K^S ^E^V^E^N ^I^F ^T^H^E^Y ^W^O^U^L^D ^N^O^R^M^A^L^L^Y ^B^E ^C^A^P^I^T^A^L^I^Z^E^D (^R^E^F^E^R ^T^O 
 A^P^P^E^N^D^I^X A ^A^N^D ^S^E^C^T^I^O^N 2.2.1).  T^A^B^L^E^S ^D^E^F^I^N^E^D ^I^N CMR ^D^O ^N^O^T ^N^E^E^D
 ^A^S^T^E^R^I^S^K^S (EJT, QFT, ^E^T^C.).
  
 2.2.3 FORMATS
  
 D^O^C^U^M^E^N^T^A^T^I^O^N ^L^I^N^E^S ^C^O^N^T^A^I^N ^O^N^L^Y ^A^S^T^E^R^I^S^K^S ^A^N^D ^B^L^A^N^K^S ^I^N ^T^H^E ^F^I^R^S^T 
 ^T^E^N ^C^O^L^U^M^N^S ^A^N^D ^T^E^X^T ^I^N ^C^O^L^U^M^N^S 11 ^T^H^R^O^U^G^H 71.  T^H^E ^T^E^X^T ^I^S ^W^R^I^T^T^E^N
 ^U^S^I^N^G ^C^O^R^R^E^C^T E^N^G^L^I^S^H ^E^X^C^E^P^T ^W^H^E^R^E ^S^P^E^C^I^F^I^C^A^L^L^Y ^N^O^T^E^D.  T^H^E ^F^O^R^M^A^T 
 ^F^O^R ^E^A^C^H ^O^F ^T^H^E ^V^A^R^I^O^U^S ^T^Y^P^E^S ^O^F ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^S ^S^H^O^W^N ^B^E^L^O^W.
 L^A^T^E^R ^S^E^C^T^I^O^N^S ^D^E^F^I^N^E ^T^H^E ^U^S^A^G^E ^O^F ^E^A^C^H ^T^Y^P^E ^O^F
 ^D^O^C^U^M^E^N^T^A^T^I^O^N.
  
 E^X^T^E^R^N^A^L            -   A^S^T^E^R^I^S^K^S ^I^N ^C^O^L^U^M^N^S 1 ^T^H^R^O^U^G^H 3 (***). 
                         T^H^I^S ^L^I^N^E ^I^N^D^I^C^A^T^E^S ^T^H^A^T ^T^H^I^S ^A^N^D ^T^H^E
                         ^F^O^L^L^O^W^I^N^G ^C^O^N^T^I^G^U^O^U^S ^C^O^M^M^E^N^T ^L^I^N^E^S ^A^R^E ^T^O ^B^E 
                         ^I^N^C^L^U^D^E^D ^I^N ^T^H^E ^P^R^O^G^R^A^M ^E^X^T^E^R^N^A^L 
                         ^D^O^C^U^M^E^N^T^A^T^I^O^N.
  
 I^N^T^E^R^N^A^L            -   A^S^T^E^R^I^S^K^S ^I^N ^C^O^L^U^M^N^S 1 ^A^N^D 2 (**).  T^H^I^S 
                         ^L^I^N^E ^I^N^D^I^C^A^T^E^S ^T^H^A^T ^T^H^I^S ^A^N^D ^T^H^E ^F^O^L^L^O^W^I^N^G 
                         ^C^O^N^T^I^G^U^O^U^S ^C^O^M^M^E^N^T ^L^I^N^E^S ^A^R^E ^T^O ^B^E ^I^N^C^L^U^D^E^D 
                         ^I^N ^T^H^E ^P^R^O^G^R^A^M ^I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N.
  
 I^N^T^E^R^N^A^L B^R^A^C^K^E^T    -   A^S^T^E^R^I^S^K^S ^I^N ^C^O^L^U^M^N^S 1 ^T^H^R^O^U^G^H 4 (****).
                         T^H^I^S ^L^I^N^E ^A^N^D ^A^L^L ^O^T^H^E^R ^L^I^N^E^S ^U^P ^T^O ^A^N^D
                         ^I^N^C^L^U^D^I^N^G ^T^H^E ^N^E^X^T ^O^C^C^U^R^R^E^N^C^E ^O^F ^T^H^I^S ^L^I^N^E 
                         ^A^R^E ^T^O ^B^E ^I^N^C^L^U^D^E^D ^I^N ^T^H^E ^P^R^O^G^R^A^M ^I^N^T^E^R^N^A^L
                         ^D^O^C^U^M^E^N^T^A^T^I^O^N.
  
 O^T^H^E^R C^O^M^M^E^N^T       -   A^S^T^E^R^I^S^K ^I^N ^C^O^L^U^M^N 1 (*).  T^H^I^S ^T^Y^P^E ^O^F
                         ^C^O^M^M^E^N^T ^I^S ^U^S^E^D ^F^O^R ^C^O^N^T^I^N^U^A^T^I^O^N ^O^F ^T^H^E 
                         ^A^B^O^V^E ^T^Y^P^E^S ^O^F ^D^O^C^U^M^E^N^T^A^T^I^O^N.  I^T ^I^S ^A^L^S^O
                         ^U^S^E^D ^F^O^R ^S^T^A^N^D-^A^L^O^N^E ^C^O^M^M^E^N^T^S (^S^E^E ^S^E^C^T^I^O^N
                         2.5.1).
  
 T^A^B^L^E               -   A^S^T^E^R^I^S^K ^I^N ^C^O^L^U^M^N 1, T ^I^N ^C^O^L^U^M^N 2 (*T). 
                         T^H^I^S ^L^I^N^E ^I^N^D^I^C^A^T^E^S ^T^H^E ^B^E^G^I^N^N^I^N^G ^O^F ^T^A^B^L^E
                         ^D^O^C^U^M^E^N^T^A^T^I^O^N.  T^H^E *T ^L^I^N^E^S ^M^U^S^T ^A^P^P^E^A^R 
                         ^W^I^T^H^I^N ^C^O^N^S^E^C^U^T^I^V^E ^C^O^M^M^E^N^T ^L^I^N^E^S ^B^E^G^I^N^N^I^N^G 
                         ^W^I^T^H ^A^N ^E^X^T^E^R^N^A^L (***) ^O^R ^I^N^T^E^R^N^A^L (**)
                         ^S^T^A^T^E^M^E^N^T.  DOCMENT ^G^E^N^E^R^A^T^E^S ^A ^T^A^B^L^E
                         ^D^I^A^G^R^A^M ^F^R^O^M ^T^H^E ^F^I^E^L^D ^W^I^D^T^H^S ^A^N^D
                         ^D^E^S^C^R^I^P^T^I^O^N^S ^I^N ^T^H^E *T ^D^O^C^U^M^E^N^T^A^T^I^O^N.  N^O^T^E 
                         ^T^H^A^T ^T^H^E ^F^I^E^L^D ^D^E^S^C^R^I^P^T^I^O^N ^S^I^Z^E (^I^N^C^L^U^D^I^N^G 
                         ^B^L^A^N^K^S) ^C^A^N^N^O^T ^E^X^C^E^E^D ^T^H^E ^F^I^E^L^D ^W^I^D^T^H ^S^I^Z^E
                         (^T^O ^P^R^E^V^E^N^T ^T^R^U^N^C^A^T^I^O^N).  A DOCMENT ^L^I^S^T^I^N^G
                         ^S^H^O^U^L^D ^B^E ^M^A^D^E ^O^F ^A ^P^R^O^G^R^A^M'^S 
                         ^E^X^T^E^R^N^A^L/^I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^W^H^E^N ^T^A^B^L^E 
                         ^S^T^R^U^C^T^U^R^E^S ^A^R^E ^A^D^D^E^D (^T^O ^V^E^R^I^F^Y ^C^O^R^R^E^C^T^N^E^S^S). 
1                                                           PAGE    11
  
  
 T^A^B^L^E C^O^N^T^I^N^U^A^T^I^O^N  -   A^S^T^E^R^I^S^K ^I^N ^C^O^L^U^M^N 1, T ^I^N ^C^O^L^U^M^N 2, ^C^O^M^M^A
                         ^I^N ^C^O^L^U^M^N 3 (*T,).  T^H^I^S ^T^Y^P^E ^O^F ^C^O^M^M^E^N^T ^I^S
                         ^U^S^E^D ^F^O^R ^C^O^N^T^I^N^U^A^T^I^O^N ^O^F ^T^A^B^L^E ^D^O^C^U^M^E^N^T^A^T^I^O^N
                         ^S^T^A^R^T^E^D ^B^Y ^A *T ^L^I^N^E.
  
 B^L^A^N^K C^O^M^M^E^N^T L^I^N^E  -   A ^L^I^N^E ^W^I^T^H ^A^N ^A^S^T^E^R^I^S^K ^I^N ^C^O^L^U^M^N 1 (*) ^A^N^D
                         ^B^L^A^N^K^S ^I^N ^C^O^L^U^M^N^S 2 ^T^H^R^O^U^G^H 71 ^I^S ^C^A^L^L^E^D ^A
                         "B^L^A^N^K C^O^M^M^E^N^T L^I^N^E ^O^R "B^L^A^N^K C^O^M^M^E^N^T C^A^R^D"
                         ^A^N^D ^I^S ^U^S^E^D ^A^S ^A ^S^E^P^A^R^A^T^O^R ^T^O ^I^M^P^R^O^V^E
                         ^R^E^A^D^A^B^I^L^I^T^Y ^O^F ^D^O^C^U^M^E^N^T^A^T^I^O^N.
  
  
 2.2.4 FORMAT OF ITEMIZED DOCUMENTATION 
  
 D^O^C^U^M^E^N^T^A^T^I^O^N ^W^H^I^C^H ^C^O^N^T^A^I^N^S ^S^E^V^E^R^A^L ^S^E^P^A^R^A^T^E ^I^T^E^M^S ^O^F ^I^N^F^O^R^M^A^T^I^O^N 
 (^A^S ^F^O^U^N^D ^I^N ^S^E^C^T^I^O^N^S 2.3.1, 2.3.2, 2.3.3 ^A^N^D 2.4) ^C^O^N^T^A^I^N^S ^A B^L^A^N^K 
 C^O^M^M^E^N^T L^I^N^E ^B^E^T^W^E^E^N ^T^H^E ^I^T^E^M^S.  E^A^C^H ^I^T^E^M ^E^N^D^S ^W^I^T^H ^A ^P^E^R^I^O^D.  I^F
 ^A^N ^I^T^E^M ^I^S ^N^O^T ^A^P^P^L^I^C^A^B^L^E,^I^T ^I^S ^O^M^I^T^T^E^D ^F^R^O^M ^T^H^E ^D^O^C^U^M^E^N^T^A^T^I^O^N.  T^H^E 
 ^I^T^E^M^S ^A^R^E ^P^L^A^C^E^D ^I^N ^T^H^E ^O^R^D^E^R ^S^P^E^C^I^F^I^E^D ^A^N^D ^T^H^E ^L^A^S^T ^I^T^E^M ^I^S
 ^F^O^L^L^O^W^E^D ^B^Y ^A SPACE 4,10 ^L^I^N^E.
  
  
 2.3 PROGRAM LEVEL DOCUMENTATION
  
 E^V^E^R^Y ^P^R^O^G^R^A^M ^C^O^N^T^A^I^N^S ^C^O^M^M^E^N^T ^L^I^N^E^S ^W^H^I^C^H ^M^A^K^E ^U^P ^T^H^E P^R^O^G^R^A^M L^E^V^E^L
 ^D^O^C^U^M^E^N^T^A^T^I^O^N (^A^S ^D^E^F^I^N^E^D ^I^N ^T^H^I^S ^S^E^C^T^I^O^N).  T^H^I^S ^L^E^V^E^L ^O^F
 ^D^O^C^U^M^E^N^T^A^T^I^O^N ^M^A^Y ^B^E ^U^S^E^D ^W^I^T^H ^T^H^E ^P^R^O^G^R^A^M ^L^I^S^T^I^N^G ^O^R ^W^I^T^H^O^U^T ^I^T 
 (^U^S^I^N^G ^E^X^T^R^A^C^T^E^D ^D^O^C^U^M^E^N^T^A^T^I^O^N ^P^R^O^D^U^C^E^D ^B^Y ^A ^D^O^C^U^M^E^N^T^A^T^I^O^N
 ^P^R^O^C^E^S^S^O^R).  E^V^E^N ^W^I^T^H^O^U^T ^T^H^E ^L^I^S^T^I^N^G, ^T^H^E P^R^O^G^R^A^M L^E^V^E^L 
 ^D^O^C^U^M^E^N^T^A^T^I^O^N ^S^A^T^I^S^F^I^E^S ^T^H^E D^E^S^I^G^N O^V^E^R^V^I^E^W, E^X^T^E^R^N^A^L I^N^T^E^R^F^A^C^E ^A^N^D 
 I^N^T^E^R^N^A^L O^P^E^R^A^T^I^O^N ^D^O^C^U^M^E^N^T^A^T^I^O^N ^N^E^E^D^S ^D^I^S^C^U^S^S^E^D ^I^N ^S^E^C^T^I^O^N 2.1.
  
  
 2.3.1 OVERVIEW 
  
 T^H^E ^O^V^E^R^V^I^E^W ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^S ^P^L^A^C^E^D ^I^M^M^E^D^I^A^T^E^L^Y ^F^O^L^L^O^W^I^N^G ^T^H^E 
 COMPASS G^R^O^U^P 1 ^I^N^S^T^R^U^C^T^I^O^N^S ^A^N^D ^B^E^F^O^R^E ^A^N^Y ^O^T^H^E^R ^D^O^C^U^M^E^N^T^A^T^I^O^N, 
 ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N^S ^O^R ^E^X^E^C^U^T^A^B^L^E ^C^O^D^E (^S^E^E ^S^E^C^T^I^O^N 3.2).  I^T ^C^O^N^S^I^S^T^S
 ^O^F ^A^N ^E^X^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^L^I^N^E (^S^E^E ^S^E^C^T^I^O^N 2.2.3) ^W^H^I^C^H ^C^O^N^T^A^I^N^S 
 ^T^H^E ^P^R^O^G^R^A^M ^N^A^M^E ^A^N^D ^A ^B^R^I^E^F ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^T^H^E ^P^R^O^G^R^A^M, ^A^N^D
 ^A^D^D^I^T^I^O^N^A^L ^C^O^M^M^E^N^T ^L^I^N^E^S ^W^H^I^C^H ^C^O^N^T^A^I^N ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S ^O^F ^D^A^T^A
 (^S^E^E ^S^E^C^T^I^O^N 2.7 ^F^O^R ^T^H^E ^L^A^Y^O^U^T ^O^F ^T^H^E^S^E ^I^T^E^M^S)@D
  
     .    N^A^M^E ^O^F ^A^U^T^H^O^R ^A^N^D ^D^A^T^E ^W^R^I^T^T^E^N (^Y^Y/^M^M/^D^D).
     .    N^A^M^E^S ^O^F ^A^U^T^H^O^R^S ^O^F ^M^A^J^O^R ^M^O^D^I^F^I^C^A^T^I^O^N^S, ^W^I^T^H ^D^A^T^E^S.
     .    T^E^X^T ^O^F ^O^V^E^R^V^I^E^W ^O^F ^P^R^O^G^R^A^M.
  
 T^H^E ^T^E^X^T ^O^F ^T^H^E ^O^V^E^R^V^I^E^W ^S^H^O^U^L^D ^F^O^L^L^O^W ^T^H^E ^G^E^N^E^R^A^L ^D^E^F^I^N^I^T^I^O^N ^O^F
 D^E^S^I^G^N O^V^E^R^V^I^E^W ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^N ^S^E^C^T^I^O^N 2.1.  T^H^E ^O^B^J^E^C^T^I^V^E ^I^S ^T^O
 ^D^E^S^C^R^I^B^E ^T^H^E ^F^U^N^C^T^I^O^N ^O^F ^T^H^E ^P^R^O^G^R^A^M ^I^N ^G^E^N^E^R^A^L ^T^E^R^M^S.
  
  
1                                                           PAGE    12
  
  
 2.3.2 EXTERNAL 
  
 T^H^E ^E^X^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^S ^P^L^A^C^E^D ^I^M^M^E^D^I^A^T^E^L^Y ^F^O^L^L^O^W^I^N^G ^T^H^E 
 ^O^V^E^R^V^I^E^W ^D^O^C^U^M^E^N^T^A^T^I^O^N ^A^N^D ^B^E^F^O^R^E ^A^N^Y ^I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N, ^M^A^C^R^O 
 ^D^E^F^I^N^I^T^I^O^N^S ^O^R ^E^X^E^C^U^T^A^B^L^E ^C^O^D^E (^S^E^E ^S^E^C^T^I^O^N 3.2).  I^T ^C^O^N^S^I^S^T^S ^O^F ^A^N 
 ^E^X^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^L^I^N^E (^S^E^E ^S^E^C^T^I^O^N 2.2.3) ^A^N^D ^A^D^D^I^T^I^O^N^A^L 
 ^C^O^M^M^E^N^T ^L^I^N^E^S ^W^H^I^C^H ^T^O^G^E^T^H^E^R ^C^O^N^T^A^I^N ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S ^O^F ^D^A^T^A
 (^S^E^E ^S^E^C^T^I^O^N 2.7 ^F^O^R ^T^H^E ^L^A^Y^O^U^T ^O^F ^T^H^E^S^E ^I^T^E^M^S)@D
  
     .    D^E^T^A^I^L^E^D ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^F^U^N^C^T^I^O^N^S ^A^N^D ^O^P^T^I^O^N^S. 
     .    E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S, ^I^N^C^L^U^D^I^N^G ^P^A^R^A^M^E^T^E^R^S ^A^N^D ^I^N^I^T^I^A^L 
          ^C^O^N^D^I^T^I^O^N^S ^O^F ^B^U^F^F^E^R^S ^A^N^D ^E^X^T^E^R^N^A^L ^T^A^B^L^E^S.
     .    C^O^M^M^A^N^D ^F^O^R^M^A^T. 
     .    E^X^I^T ^C^O^N^D^I^T^I^O^N^S, ^I^N^C^L^U^D^I^N^G ^S^T^A^T^U^S ^B^I^T^S ^A^N^D ^F^I^E^L^D^S ^R^E^T^U^R^N^E^D.
     .    E^R^R^O^R^S ^D^E^T^E^C^T^E^D, ^E^R^R^O^R ^C^O^D^E^S ^R^E^T^U^R^N^E^D, ^I^N^C^L^U^D^I^N^G ^S^U^B^S^E^Q^U^E^N^T 
          ^A^C^T^I^O^N ^T^A^K^E^N ^F^O^R ^E^A^C^H.
     .    S^Y^S^T^E^M ^E^R^R^O^R^S ^D^E^T^E^C^T^E^D ^A^N^D ^S^U^B^S^E^Q^U^E^N^T ^A^C^T^I^O^N ^T^A^K^E^N.
     .    O^T^H^E^R ^P^R^O^G^R^A^M^S ^C^A^L^L^E^D.
     .    M^E^S^S^A^G^E^S ^I^S^S^U^E^D (^I^N^C^L^U^D^I^N^G ^D^A^Y^F^I^L^E ^A^N^D ^O^P^E^R^A^T^O^R). 
  
 T^H^E ^C^O^N^T^E^N^T ^O^F ^T^H^I^S ^S^E^C^T^I^O^N ^F^O^L^L^O^W^S ^T^H^E ^G^E^N^E^R^A^L ^D^E^F^I^N^I^T^I^O^N ^O^F 
 E^X^T^E^R^N^A^L I^N^T^E^R^F^A^C^E ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^N ^S^E^C^T^I^O^N 2.1.  T^H^E ^O^B^J^E^C^T^I^V^E ^I^S 
 ^T^O ^S^U^P^P^L^Y ^I^N^F^O^R^M^A^T^I^O^N ^R^E^Q^U^I^R^E^D ^B^Y ^A ^P^O^T^E^N^T^I^A^L ^U^S^E^R ^O^F ^T^H^E ^P^R^O^G^R^A^M.
  
  
 2.3.3 INTERNAL 
  
 T^H^E ^I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^D^E^S^C^R^I^B^E^S ^T^H^E ^I^N^T^E^R^N^A^L ^W^O^R^K^I^N^G^S ^O^F ^T^H^E
 ^P^R^O^G^R^A^M.  I^T ^M^A^Y ^B^E ^D^I^S^P^E^R^S^E^D ^T^H^R^O^U^G^H^O^U^T ^A ^P^R^O^G^R^A^M ^A^S ^D^E^S^I^R^E^D,
 ^H^O^W^E^V^E^R ^A ^M^A^J^O^R ^P^O^R^T^I^O^N ^A^P^P^E^A^R^S ^I^M^M^E^D^I^A^T^E^L^Y ^F^O^L^L^O^W^I^N^G ^T^H^E ^E^X^T^E^R^N^A^L 
 ^D^O^C^U^M^E^N^T^A^T^I^O^N.  I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^C^O^N^S^I^S^T^S ^O^F ^A^N ^I^N^T^E^R^N^A^L
 ^D^O^C^U^M^E^N^T^A^T^I^O^N ^L^I^N^E (^S^E^E ^S^E^C^T^I^O^N 2.2.3) ^A^N^D ^A^D^D^I^T^I^O^N^A^L ^C^O^M^M^E^N^T ^L^I^N^E^S
 ^W^H^I^C^H ^T^O^G^E^T^H^E^R ^C^O^N^T^A^I^N ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S ^O^F ^D^A^T^A (^S^E^E ^S^E^C^T^I^O^N 
 2.2.4 ^F^O^R ^T^H^E ^L^A^Y^O^U^T ^O^F ^T^H^E^S^E ^I^T^E^M^S)@D 
  
     .    S^Y^S^T^E^M ^T^E^X^T^S ^R^E^Q^U^I^R^E^D ^F^O^R ^A^S^S^E^M^B^L^Y (^O^T^H^E^R ^T^H^A^N ^D^E^F^A^U^L^T). 
     .    D^I^R^E^C^T ^C^E^L^L ^U^S^A^G^E (PP ^P^R^O^G^R^A^M^S).
     .    G^L^O^B^A^L ^R^E^G^I^S^T^E^R ^A^S^S^I^G^N^M^E^N^T^S (CPU ^P^R^O^G^R^A^M^S). 
     .    D^A^T^A ^A^R^E^A^S ^A^N^D ^T^A^B^L^E ^F^O^R^M^A^T^S.
     .    M^E^M^O^R^Y ^M^A^P (^I^F ^O^V^E^R^L^A^Y^S ^A^R^E ^U^S^E^D). 
  
 O^T^H^E^R ^I^T^E^M^S ^T^O ^B^E ^I^N^C^L^U^D^E^D ^I^F ^A^P^P^L^I^C^A^B^L^E ^A^R^E@D 
  
     .    T^E^C^H^N^I^Q^U^E^S ^O^R ^A^L^G^O^R^I^T^H^M^S ^E^M^P^L^O^Y^E^D ^W^H^E^R^E ^N^O^T ^O^B^V^I^O^U^S.
     .    T^I^M^I^N^G ^C^O^N^S^I^D^E^R^A^T^I^O^N^S. 
     .    I^N^T^E^R^L^O^C^K ^C^O^N^S^I^D^E^R^A^T^I^O^N^S. 
     .    K^N^O^W^N ^L^I^M^I^T^A^T^I^O^N^S ^T^O ^P^E^R^F^O^R^M^A^N^C^E ^O^R ^E^X^T^E^N^S^I^B^I^L^I^T^Y, ^S^U^C^H ^A^S 
          ^T^I^M^I^N^G ^O^F ^L^O^O^P^S, ^C^O^R^E ^S^I^Z^E, ^E^R^R^O^R-^R^E^C^O^V^E^R^Y ^D^E^F^I^C^I^E^N^C^I^E^S.
  
1                                                           PAGE    13
  
  
 A^N^Y ^O^T^H^E^R ^I^N^F^O^R^M^A^T^I^O^N ^W^H^I^C^H ^W^O^U^L^D ^A^I^D ^S^O^M^E^O^N^E ^I^N ^U^N^D^E^R^S^T^A^N^D^I^N^G ^T^H^E 
 ^I^N^T^E^R^N^A^L ^W^O^R^K^I^N^G^S ^O^F ^T^H^E ^P^R^O^G^R^A^M ^I^S ^A^L^S^O ^P^R^O^V^I^D^E^D, ^I^N^C^L^U^D^I^N^G ^L^O^G^I^C^A^L 
 ^F^L^O^W, ^S^T^R^U^C^T^U^R^E, ^A^N^D ^P^I^T^F^A^L^L^S ^T^O ^R^E^D^E^S^I^G^N. 
  
  
 2.4 SUBROUTINE LEVEL DOCUMENTATION 
  
 T^H^E ^H^E^A^D^I^N^G ^O^F ^A^N^Y ^S^U^B^R^O^U^T^I^N^E ^C^O^N^S^I^S^T^S ^O^F ^C^O^M^M^E^N^T ^L^I^N^E^S ^G^I^V^I^N^G ^A
 ^B^R^I^E^F ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^I^T^S ^F^U^N^C^T^I^O^N, ^I^T^S ^E^N^T^R^Y ^A^N^D ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S,
 ^R^E^G^I^S^T^E^R ^O^R ^D^I^R^E^C^T ^C^E^L^L ^U^S^A^G^E ^A^N^D ^I^N^T^E^R^N^A^L ^W^O^R^K^I^N^G^S.  T^H^E
 ^I^N^F^O^R^M^A^T^I^O^N ^C^O^N^T^A^I^N^E^D ^S^H^O^U^L^D ^B^E ^O^N ^A ^L^E^V^E^L ^I^N^D^I^C^A^T^E^D ^B^Y ^T^H^E
 ^C^O^M^P^L^E^X^I^T^Y ^O^F ^T^H^E ^S^U^B^R^O^U^T^I^N^E.  T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S ^O^F ^D^A^T^A ^S^H^O^U^L^D ^B^E
 ^I^N^C^L^U^D^E^D (^S^E^E ^S^E^C^T^I^O^N^S 2.7.2 ^A^N^D 2.7.3 ^F^O^R ^T^H^E ^L^A^Y^O^U^T ^O^F ^T^H^E^S^E
 ^I^T^E^M^S)@D
  
     .    TITLE ^L^I^N^E ^W^I^T^H ^N^A^M^E ^A^S ^S^U^B^T^I^T^L^E (^P^R^I^M^A^R^Y ^S^U^B^R^O^U^T^I^N^E)
     .    SPACE ^L^I^N^E (^S^E^E ^S^E^C^T^I^O^N 3.6.3)
     .    I^N^T^E^R^N^A^L ^C^O^M^M^E^N^T ^L^I^N^E ^G^I^V^I^N^G ^N^A^M^E ^A^N^D ^T^I^T^L^E ^O^F ^S^U^B^R^O^U^T^I^N^E 
     .    O^N^E ^O^R ^M^O^R^E ^S^E^N^T^E^N^C^E^S ^D^E^S^C^R^I^B^I^N^G ^T^H^E ^F^U^N^C^T^I^O^N ^O^F ^T^H^E 
          ^S^U^B^R^O^U^T^I^N^E (^O^P^T^I^O^N^A^L ^B^U^T ^D^E^S^I^R^A^B^L^E).
     .    E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S (^L^I^S^T) 
     .    E^X^I^T ^C^O^N^D^I^T^I^O^N^S (^L^I^S^T) 
     .    E^R^R^O^R ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S (^L^I^S^T)
     .    R^E^G^I^S^T^E^R ^O^R ^D^I^R^E^C^T ^C^E^L^L ^U^S^A^G^E (^L^I^S^T)
     .    R^O^U^T^I^N^E^S ^C^A^L^L^E^D (^L^I^S^T) 
     .    M^A^C^R^O^S ^C^A^L^L^E^D (^L^I^S^T) 
     .    D^E^S^C^R^I^P^T^I^O^N ^O^F ^A^L^L^O^C^A^T^E^D ^R^E^G^I^S^T^E^R^S
     .    T^I^M^I^N^G ^C^O^N^S^I^D^E^R^A^T^I^O^N^S, ^I^F ^C^R^I^T^I^C^A^L 
     .    D^E^S^I^G^N, ^I^M^P^L^E^M^E^N^T^A^T^I^O^N ^A^N^D ^G^E^N^E^R^A^L ^I^N^F^O^R^M^A^T^I^O^N
     .    T^W^O ^B^L^A^N^K ^L^I^N^E^S 
  
 T^H^E ^T^I^T^L^E ^O^F ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^S^H^O^U^L^D ^D^E^S^C^R^I^B^E ^T^H^E ^A^C^T^I^O^N ^P^E^R^F^O^R^M^E^D ^B^Y
 ^T^H^E ^S^U^B^R^O^U^T^I^N^E (^F^O^R ^E^X^A^M^P^L^E, P^O^S^I^T^I^O^N M^A^S^S S^T^O^R^A^G^E, M^A^K^E Q^U^E^U^E 
 E^N^T^R^Y).  T^H^I^S ^M^E^A^N^S ^T^H^A^T ^T^I^T^L^E^S ^S^H^O^U^L^D ^A^L^W^A^Y^S ^C^O^N^T^A^I^N ^A ^V^E^R^B.
 T^I^T^L^E^S ^W^I^T^H^O^U^T ^V^E^R^B^S ^S^H^O^U^L^D ^B^E ^U^S^E^D ^F^O^R ^G^R^O^U^P^S ^O^F ^S^U^B^R^O^U^T^I^N^E^S ^A^N^D
 COMS^X^X^X ^D^E^C^K^S. 
  
 D^E^F^I^N^E^D ^F^O^R^M^A^T^S ^E^X^I^S^T ^F^O^R ^T^H^E ^L^I^S^T ^O^F ^I^T^E^M^S ^I^N ^T^H^E ^S^U^B^R^O^U^T^I^N^E
 ^H^E^A^D^I^N^G.  A ^K^E^Y^W^O^R^D ^A^P^P^E^A^R^S ^I^N ^C^O^L^U^M^N 11, ^F^O^L^L^O^W^E^D ^B^Y ^T^E^X^T ^I^N ^C^O^L^U^M^N
 18.  T^H^E ^T^E^X^T ^I^S ^S^I^M^P^L^Y ^A ^L^I^S^T, ^R^A^T^H^E^R ^T^H^A^N ^C^O^M^P^L^E^T^E ^S^E^N^T^E^N^C^E^S.  A^N^Y 
 ^L^I^S^T ^R^E^Q^U^I^R^I^N^G ^M^O^R^E ^T^H^A^N ^O^N^E ^L^I^N^E ^I^S ^C^O^N^T^I^N^U^E^D ^B^E^G^I^N^N^I^N^G ^I^N ^C^O^L^U^M^N 
 18 (^O^R ^B^E^Y^O^N^D) ^O^F ^T^H^E ^N^E^X^T ^C^O^M^M^E^N^T ^L^I^N^E.  T^H^E ^F^O^R^M^A^T^S ^A^R^E ^S^H^O^W^N 
 ^B^E^L^O^W.  E^A^C^H ^L^I^S^T ^E^N^D^S ^W^I^T^H ^A ^P^E^R^I^O^D.  A^C^C^E^P^T^A^B^L^E ^K^E^Y^W^O^R^D^S ^I^N^C^L^U^D^E@D
  
     ENTRY     E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S.
     EXIT      E^X^I^T ^C^O^N^D^I^T^I^O^N^S.
     ERROR     E^R^R^O^R ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S. 
     USES      R^E^G^I^S^T^E^R ^O^R ^D^I^R^E^C^T ^C^E^L^L^S ^D^E^S^T^R^O^Y^E^D. 
     CALLS     R^O^U^T^I^N^E^S ^C^A^L^L^E^D.
     XREF      C^O^M^M^O^N ^O^R ^S^Y^S^T^E^M ^D^E^C^K^S ^R^E^Q^U^I^R^E^D. 
1                                                           PAGE    14
  
  
     MACROS    M^A^C^R^O^S ^C^A^L^L^E^D.
     DEFINE    ^L^I^S^T ^O^F ^A^L^L^O^C^A^T^A^B^L^E ^R^E^G^I^S^T^E^R^S. 
     TIMING    D^E^S^C^R^I^P^T^I^O^N ^O^F ^T^I^M^I^N^G ^C^O^N^S^I^D^E^R^A^T^I^O^N^S.
     NOTES     P^R^O^G^R^A^M^M^I^N^G ^I^N^F^O^R^M^A^T^I^O^N.
  
 D^O^C^U^M^E^N^T^A^T^I^O^N ^F^O^R ^C^O^M^M^O^N ^D^E^C^K^S ^A^N^D ^Z^E^R^O ^L^E^V^E^L ^O^V^E^R^L^A^Y^S ^S^H^O^U^L^D
 ^I^N^C^L^U^D^E ^S^U^B^R^O^U^T^I^N^E ^L^E^V^E^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^W^H^E^R^E ^A^P^P^R^O^P^R^I^A^T^E. 
  
  
 2.4.1 ENTRY CONDITIONS (ENTRY) 
  
 E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S ^I^N^C^L^U^D^E ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S@D 
  
 R^E^G^I^S^T^E^R^S, ^D^I^R^E^C^T ^C^E^L^L^S ^O^R ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N^S ^T^H^A^T ^M^U^S^T ^B^E ^S^E^T ^B^E^F^O^R^E 
 ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^I^S ^C^A^L^L^E^D. 
  
 L^O^G^I^C^A^L ^S^T^A^T^U^S ^O^F ^C^H^A^N^N^E^L^S, ^F^I^L^E^S, ^E^T^C.,(^I.^E.  C^H^A^N^N^E^L^S ^R^E^S^E^R^V^E^D, 
 ^F^I^L^E^S ^S^E^T ^B^U^S^Y, ^D^I^S^K ^P^O^S^T^I^O^N^E^D, ^F^I^L^E^S ^P^O^S^I^T^I^O^N^E^D) ^T^H^A^T ^S^H^O^U^L^D ^E^X^I^S^T 
 ^B^E^F^O^R^E ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^I^S ^C^A^L^L^E^D.
  
 O^N^L^Y ^O^N^E ^E^N^T^R^Y ^C^O^N^D^I^T^I^O^N ^M^A^Y ^B^E ^S^P^E^C^I^F^I^E^D ^P^E^R ^L^I^N^E.  F^O^R PP ^C^O^D^E, 
 ^T^H^E ^C^O^N^T^E^N^T^S ^O^F ^T^H^E A ^R^E^G^I^S^T^E^R ^S^H^O^U^L^D ^B^E ^D^E^S^C^R^I^B^E^D ^F^I^R^S^T.
  
  
 2.4.2 EXIT CONDITIONS (EXIT) 
  
 E^X^I^T ^C^O^N^D^I^T^I^O^N^S ^I^N^C^L^U^D^E ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S@D 
  
 R^E^G^I^S^T^E^R^S, ^D^I^R^E^C^T ^C^E^L^L^S ^O^R ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N^S ^T^H^A^T ^M^A^Y ^B^E ^U^S^E^D ^B^Y 
 ^S^U^B^S^E^Q^U^E^N^T ^R^O^U^T^I^N^E^S. 
  
 L^O^G^I^C^A^L ^S^T^A^T^U^S ^O^F ^C^H^A^N^N^E^L^S, ^F^I^L^E^S, ^E^T^C., (^I.^E.  C^H^A^N^N^E^L^S ^R^E^S^E^R^V^E^D,
 ^F^I^L^E^S ^S^E^T ^B^U^S^Y, ^D^I^S^K ^P^O^S^I^T^I^O^N^E^D, ^F^I^L^E^S ^P^O^S^T^I^O^N^E^D) ^T^H^A^T ^E^X^I^S^T ^W^H^E^N 
 ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^I^S ^E^X^I^T^E^D. 
  
 O^N^L^Y ^O^N^E ^E^X^I^T ^C^O^N^D^I^T^I^O^N ^I^S ^L^I^S^T^E^D ^P^E^R ^L^I^N^E.  F^O^R PP ^C^O^D^E, ^T^H^E 
 ^C^O^N^T^E^N^T^S ^O^F ^T^H^E A ^R^E^G^I^S^T^E^R ^S^H^O^U^L^D ^B^E ^D^E^S^C^R^I^B^E^D ^F^I^R^S^T. 
  
 B^R^A^N^C^H^E^S (^N^O^T CALL^S) ^T^O ^O^T^H^E^R ^R^O^U^T^I^N^E^S.
  
  
 2.4.3 ERROR EXIT CONDITIONS (ERROR)
  
 E^R^R^O^R ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S ^I^N^C^L^U^D^E ^A^L^L ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S ^T^H^A^T ^E^X^I^S^T ^W^H^E^N ^A
 ^S^P^E^C^I^A^L ^T^E^R^M^I^N^A^T^I^O^N ^O^F ^T^H^E ^S^U^B^R^O^U^T^I^N^E, ^S^U^C^H ^A^S ^A ^J^U^M^P ^T^O ^A^N ^E^R^R^O^R 
 ^P^R^O^C^E^S^S^O^R, ^I^S ^T^A^K^E^N.  E^R^R^O^R ^C^O^N^D^I^T^I^O^N^S ^I^N^C^L^U^D^E ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S@D 
  
     .    T^H^E ^L^A^B^E^L ^B^E^I^N^G ^J^U^M^P^E^D ^T^O ^A^N^D ^T^H^E ^C^O^N^D^I^T^I^O^N^S ^T^H^A^T ^C^A^U^S^E^D
          ^T^H^E ^S^P^E^C^I^A^L ^E^X^I^T. 
  
1                                                           PAGE    15
  
  
     .    R^E^G^I^S^T^E^R^S, ^D^I^R^E^C^T ^C^E^L^L^S ^O^R ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N^S ^T^H^A^T ^M^A^Y ^B^E
          ^U^S^E^D ^B^Y ^S^U^B^S^E^Q^U^E^N^T ^R^O^U^T^I^N^E^S.
  
     .    L^O^G^I^C^A^L ^S^T^A^T^U^S ^O^F ^C^H^A^N^N^E^L^S, ^F^I^L^E^S, ^E^T^C., (^I.^E.  C^H^A^N^N^E^L^S 
          ^R^E^S^E^R^V^E^D, ^F^I^L^E^S ^S^E^T ^B^U^S^Y, ^D^I^S^K ^P^O^S^I^T^I^O^N^E^D, ^F^I^L^E^S ^P^O^S^T^I^O^N^E^D) 
          ^T^H^A^T ^E^X^I^S^T ^W^H^E^N ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^I^S ^E^X^I^T^E^D. 
  
 O^N^L^Y ^O^N^E ^E^X^I^T ^C^O^N^D^I^T^I^O^N ^I^S ^L^I^S^T^E^D ^P^E^R ^L^I^N^E.  T^H^E ^L^A^B^E^L ^B^E^I^N^G 
 ^J^U^M^P^E^D ^T^O ^I^S ^D^O^C^U^M^E^N^T^E^D ^F^I^R^S^T ^W^I^T^H ^A^L^L ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S ^P^E^R^T^A^I^N^I^N^G
 ^T^O ^T^H^A^T ^E^X^I^T ^F^O^L^L^O^W^I^N^G.  I^F ^T^H^E^S^E ^A^R^E ^M^U^L^T^I^P^L^E ^E^R^R^O^R ^E^X^I^T^S, ^E^A^C^H 
 ^W^I^T^H ^U^N^I^Q^U^E ^C^O^N^D^I^T^I^O^N^S, ^T^H^E ^C^O^N^D^I^T^I^O^N^S ^S^H^O^U^L^D ^B^E ^L^I^S^T^E^D ^U^N^D^E^R ^T^H^E^I^R 
 ^O^W^N ^E^X^I^T^S. 
  
  
 2.4.4 REGISTER OR DIRECT CELL USAGE (USES) 
  
 R^E^G^I^S^T^E^R^S ^O^R ^D^I^R^E^C^T ^C^E^L^L^S ^U^S^E^D ^I^N^C^L^U^D^E ^A^L^L ^R^E^G^I^S^T^E^R^S ^O^R ^D^I^R^E^C^T ^C^E^L^L^S
 ^D^E^S^T^R^O^Y^E^D ^B^Y ^T^H^A^T ^S^U^B^R^O^U^T^I^N^E ^O^N^L^Y.  R^E^G^I^S^T^E^R^S ^O^R ^D^I^R^E^C^T ^C^E^L^L^S
 ^D^E^S^T^R^O^Y^E^D ^B^Y ^S^U^B^R^O^U^T^I^N^E^S ^O^R MACROS ^C^A^L^L^E^D ^B^Y ^A ^R^O^U^T^I^N^E ^A^R^E ^N^O^T 
 ^L^I^S^T^E^D.
  
 F^O^R CPU ^C^O^D^E, ^T^H^E ^F^O^R^M^A^T ^O^F ^T^H^E USES ^B^L^O^C^K ^I^N^C^L^U^D^E^S ^A ^R^E^G^I^S^T^E^R ^T^Y^P^E
 (X - ^O^P^E^R^A^N^D ^R^E^G^I^S^T^E^R, A - ^A^D^D^R^E^S^S ^R^E^G^I^S^T^E^R, B - ^I^N^D^E^X ^R^E^G^I^S^T^E^R)
 ^F^O^L^L^O^W^E^D ^B^Y ^A ^S^E^Q^U^E^N^C^E ^O^F ^A^S^C^E^N^D^I^N^G ^N^U^M^B^E^R^S ^I^N^D^I^C^A^T^I^N^G ^T^H^E ^R^E^G^I^S^T^E^R^S
 ^U^S^E^D.  T^H^E ^T^E^R^M ALL ^M^A^Y ^B^E ^S^U^B^S^T^I^T^U^T^E^D ^I^F ^A^L^L ^R^E^G^I^S^T^E^R^S ^A^R^E ^U^S^E^D ^B^Y 
 ^A ^R^O^U^T^I^N^E. 
  
 E^X^A^M^P^L^E@D
  
     *         USES   X - 0, 1, 6.
     *                A - 1, 6. 
     *                B - 3, 7. 
  
 I^N^D^I^C^A^T^E^S ^T^H^E ^F^O^L^L^O^W^I^N^G ^R^E^G^I^S^T^E^R^S ^A^R^E ^U^S^E^D@D 
  
          X0, X1, X6, A1, A6, B3, B7. 
  
  
 F^O^R PP ^C^O^D^E, ^S^I^N^G^L^E ^D^I^R^E^C^T ^C^E^L^L^S ^A^R^E ^L^I^S^T^E^D ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R 
 ^F^O^L^L^O^W^E^D ^B^Y ^M^U^L^T^I^P^L^E ^D^I^R^E^C^T ^C^E^L^L^S ^L^I^S^T^E^D ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R.
  
 E^X^A^M^P^L^E@D
  
     *         USES   T1, T2, T5, CM - CM+4, RI - RI+4. 
  
 T^H^E ^D^I^R^E^C^T ^C^E^L^L ^A^T PP ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N 0 (T0) ^I^S ^A^S^S^U^M^E^D ^T^O ^B^E ^U^S^E^D
 ^B^Y ^E^V^E^R^Y ^S^U^B^R^O^U^T^I^N^E ^U^N^L^E^S^S ^O^T^H^E^R^W^I^S^E ^S^T^A^T^E^D ^I^N ^T^H^E ENTRY/EXIT 
 ^C^O^N^D^I^T^I^O^N^S.  T^H^I^S ^I^S ^B^E^C^A^U^S^E ^C^E^R^T^A^I^N ^I^N^S^T^R^U^C^T^I^O^N^S, ^S^U^C^H ^A^S CRM ^A^N^D 
 CWM, ^D^E^S^T^R^O^Y ^L^O^C^A^T^I^O^N ^Z^E^R^O. 
  
  
1                                                           PAGE    16
  
  
 2.4.5 ROUTINES CALLED (CALLS)
  
 R^O^U^T^I^N^E^S ^C^A^L^L^E^D ^B^Y ^A ^S^U^B^R^O^U^T^I^N^E ^I^N^C^L^U^D^E ^A^L^L ^S^U^B^R^O^U^T^I^N^E^S, ^C^O^M^M^O^N 
 ^D^E^C^K^S ^A^N^D ^O^V^E^R^L^A^Y^S ^T^H^A^T ^A^R^E ^E^X^P^L^I^C^I^T^L^Y ^C^A^L^L^E^D.  R^O^U^T^I^N^E^S ^C^A^L^L^E^D ^B^Y 
 ^M^A^C^R^O^S ^A^R^E ^N^O^T ^T^O ^B^E ^I^N^C^L^U^D^E^D.  W^H^E^R^E ^T^H^E ^R^O^U^T^I^N^E ^C^A^L^L^E^D ^D^O^E^S ^N^O^T 
 ^R^E^T^U^R^N ^T^O ^T^H^E ^C^A^L^L^I^N^G ^P^O^I^N^T, ^T^H^E ^B^R^A^N^C^H ^I^S ^A^N EXIT ^C^O^N^D^I^T^I^O^N ^R^A^T^H^E^R 
 ^T^H^A^N ^A CALL.
  
 2.4.6 COMMON OR SYSTEM DECKS REQUIRED (XREF) 
  
 W^H^E^N ^A ^R^O^U^T^I^N^E, ^M^A^C^R^O, ^O^R ^C^O^M^M^O^N ^D^E^C^K ^R^E^Q^U^I^R^E^S ^A ^P^A^R^T^I^C^U^L^A^R ^C^O^M^M^O^N
 ^O^R ^S^Y^S^T^E^M ^D^E^C^K ^F^O^R ^A^S^S^E^M^B^L^Y ^O^R ^F^O^R ^C^O^R^R^E^C^T ^E^X^E^C^U^T^I^O^N, ^I^T ^I^S ^V^A^L^U^A^B^L^E 
 ^T^O ^L^I^S^T ^T^H^E ^D^E^C^K(^S) ^R^E^Q^U^I^R^E^D.
  
 E^X^A^M^P^L^E@D
  
     *         XREF   COMCLOD, COMCRTN. 
  
 2.4.7 MACROS CALLED (MACROS) 
  
 M^A^C^R^O^S ^C^A^L^L^E^D ^I^N^C^L^U^D^E ^A^L^L ^M^A^C^R^O^S ^T^H^A^T ^A^R^E ^E^X^P^L^I^C^I^T^L^Y ^C^A^L^L^E^D ^B^Y ^A
 ^S^U^B^R^O^U^T^I^N^E.  T^H^E SUBR ^M^A^C^R^O ^I^S ^A^L^W^A^Y^S ^I^M^P^L^I^E^D ^T^O ^B^E ^C^A^L^L^E^D ^A^N^D ^N^E^E^D 
 ^N^O^T ^B^E ^L^I^S^T^E^D.  PP ^M^A^C^R^O^S ADK, LDK, LMK, LPK, SBK, MJP, NJP, PJP, 
 UJP, ^A^N^D ZJP ^N^E^E^D ^N^O^T ^B^E ^L^I^S^T^E^D. 
  
  
 2.4.8 ALLOCATED REGISTERS OR DIRECT CELLS (DEFINE) 
  
 A^L^L^O^C^A^T^E^D ^R^E^G^I^S^T^E^R^S ^A^R^E ^R^E^G^I^S^T^E^R^S (^O^R ^D^I^R^E^C^T ^C^E^L^L^S ^F^O^R PP ^C^O^D^E) 
 ^U^S^E^D ^F^O^R ^W^E^L^L ^D^E^F^I^N^E^D ^I^T^E^M^S ^T^H^R^O^U^G^H^O^U^T ^A ^P^A^R^T^I^C^U^L^A^R ^S^U^B^R^O^U^T^I^N^E ^O^R
 ^P^R^O^G^R^A^M.
  
  
 2.4.9 TIMING CONSIDERATIONS (TIMING) 
  
 T^I^M^I^N^G ^C^O^N^S^I^D^E^R^A^T^I^O^N^S ^S^H^O^U^L^D ^D^E^S^C^R^I^B^E ^A^N^Y ^T^I^M^I^N^G ^L^I^M^I^T^A^T^I^O^N^S ^T^H^A^T 
 ^A^R^E ^I^M^P^O^S^E^D ^O^N ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^B^E^C^A^U^S^E ^O^F ^H^A^R^D^W^A^R^E ^O^R ^P^E^R^F^O^R^M^A^N^C^E
 ^C^O^N^S^T^R^A^I^N^T^S.  C^A^R^E ^S^H^O^U^L^D ^B^E ^T^A^K^E^N ^T^O ^E^X^P^R^E^S^S ^U^N^I^T^S ^O^F ^T^I^M^E ^I^N ^A 
 ^M^A^N^N^E^R ^I^N^D^E^P^E^N^D^E^N^T ^O^F ^M^A^C^H^I^N^E ^T^Y^P^E.  F^O^R ^E^X^A^M^P^L^E, ^U^N^I^T^S ^O^F ^T^I^M^E
 ^E^X^P^R^E^S^S^E^D ^I^N ^C^Y^C^L^E^S ^R^A^T^H^E^R ^T^H^A^N ^M^I^C^R^O^S^E^C^O^N^D^S ^I^S ^M^O^R^E ^D^E^S^I^R^A^B^L^E.
 T^H^I^S ^I^S ^B^E^C^A^U^S^E ^T^H^E ^S^A^M^E ^R^O^U^T^I^N^E ^M^A^Y ^E^X^E^C^U^T^E ^F^A^S^T^E^R ^O^R ^S^L^O^W^E^R ^T^H^A^N 
 ^S^T^A^T^E^D ^D^E^P^E^N^D^I^N^G ^O^N ^T^H^E ^T^Y^P^E ^O^F ^T^H^E PP ^O^R CPU ^I^T ^E^X^E^C^U^T^E^S ^I^N. 
  
  
 2.4.10 PROGRAMMING NOTES (NOTES) 
  
 T^H^I^S ^S^E^C^T^I^O^N ^D^O^C^U^M^E^N^T^S ^D^E^S^I^G^N, ^I^M^P^L^E^M^E^N^T^A^T^I^O^N ^A^N^D ^G^E^N^E^R^A^L 
 ^I^N^F^O^R^M^A^T^I^O^N ^T^H^A^T ^M^A^Y ^B^E ^U^S^E^F^U^L ^T^O ^O^T^H^E^R ^A^N^A^L^Y^S^T^S.  I^N^F^O^R^M^A^T^I^O^N ^I^N 
 ^T^H^I^S ^S^E^C^T^I^O^N ^P^E^R^T^A^I^N^S ^T^O ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^O^N^L^Y.
  
  
1                                                           PAGE    17
  
  
 2.5 CODE LEVEL DOCUMENTATION 
  
 A^L^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^W^H^I^C^H ^I^S ^N^O^T ^D^E^S^C^R^I^B^E^D ^I^N ^O^N^E ^O^F ^T^H^E ^P^R^E^C^E^D^I^N^G
 ^S^E^C^T^I^O^N^S ^O^F ^T^H^I^S ^D^O^C^U^M^E^N^T ^F^A^L^L^S ^I^N^T^O ^T^H^E ^C^A^T^E^G^O^R^Y ^O^F C^O^D^E L^E^V^E^L 
 ^D^O^C^U^M^E^N^T^A^T^I^O^N.  T^H^E ^R^E^Q^U^I^R^E^M^E^N^T^S ^F^O^R ^T^H^I^S ^T^Y^P^E ^O^F ^D^O^C^U^M^E^N^T^A^T^I^O^N ^V^A^R^Y
 ^W^I^D^E^L^Y, ^S^O ^F^E^W ^R^U^L^E^S ^C^A^N ^B^E ^S^T^A^T^E^D; ^H^O^W^E^V^E^R, C^O^D^E L^E^V^E^L 
 ^D^O^C^U^M^E^N^T^A^T^I^O^N ^I^S ^N^E^C^E^S^S^A^R^Y ^A^N^D ^T^H^E ^L^A^C^K ^O^F ^E^X^P^L^I^C^I^T ^R^E^Q^U^I^R^E^M^E^N^T^S 
 ^M^U^S^T ^N^O^T ^L^E^A^D ^T^O ^I^T^S ^N^E^G^L^E^C^T. 
  
 C^O^D^E L^E^V^E^L ^D^O^C^U^M^E^N^T^A^T^I^O^N, ^A^L^O^N^G ^W^I^T^H ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^H^E^A^D^I^N^G^S, ^M^U^S^T 
 ^S^A^T^I^S^F^Y ^T^H^E ^N^E^E^D ^F^O^R ^A^I^D ^I^N ^R^E^A^D^I^N^G ^T^H^E ^C^O^D^E.  I^T^S ^C^O^N^T^E^N^T ^F^O^L^L^O^W^S 
 ^T^H^E ^G^U^I^D^E^L^I^N^E^S ^F^O^R D^E^T^A^I^L^E^D C^O^D^E A^N^A^L^Y^S^I^S ^I^N ^S^E^C^T^I^O^N 2.1.4.
  
  
 2.5.1 STAND-ALONE COMMENTS 
  
 S^T^A^N^D-^A^L^O^N^E ^C^O^M^M^E^N^T^S ^A^R^E ^C^O^M^M^E^N^T ^L^I^N^E^S ^A^P^P^E^A^R^I^N^G ^I^N-^L^I^N^E ^W^I^T^H ^C^O^D^E, 
 ^A^S ^O^P^P^O^S^E^D ^T^O ^W^I^T^H^I^N ^H^I^G^H^E^R-^L^E^V^E^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^P^R^E^V^I^O^U^S^L^Y ^D^E^F^I^N^E^D.
 A^L^L ^S^T^A^N^D-^A^L^O^N^E ^C^O^M^M^E^N^T^S ^A^R^E ^P^R^E^C^E^D^E^D ^A^N^D ^F^O^L^L^O^W^E^D ^B^Y ^O^N^E ^B^L^A^N^K
 ^L^I^N^E.  T^O ^R^E^D^U^C^E ^T^H^E ^B^I^N^A^R^Y ^S^I^Z^E ^O^F ^S^Y^S^T^E^M^S ^T^E^X^T^S, ^S^T^A^N^D-^A^L^O^N^E 
 ^C^O^M^M^E^N^T^S ^W^I^T^H^I^N ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N^S ^S^H^O^U^L^D ^B^E ^P^R^E^C^E^E^D^E^D ^A^N^D ^F^O^L^L^O^W^E^D 
 ^B^Y ^A ^B^L^A^N^K ^C^O^M^M^E^N^T ^L^I^N^E.
  
 S^T^A^N^D-^A^L^O^N^E ^C^O^M^M^E^N^T^S ^D^E^S^C^R^I^B^E ^T^H^E ^F^U^N^C^T^I^O^N ^P^E^R^F^O^R^M^E^D ^B^Y ^T^H^E
 ^S^U^B^S^E^Q^U^E^N^T ^S^E^C^T^I^O^N ^O^F ^I^N-^L^I^N^E ^C^O^D^E.  T^H^E ^C^O^M^M^E^N^T^S ^A^R^E ^C^O^M^P^L^E^T^E 
 E^N^G^L^I^S^H ^S^E^N^T^E^N^C^E^S ^W^I^T^H ^C^O^R^R^E^C^T ^P^U^N^C^T^U^A^T^I^O^N, ^E^N^D^I^N^G ^W^I^T^H ^A ^P^E^R^I^O^D.
 T^H^E ^C^O^M^M^E^N^T^S ^R^E^F^E^R ^T^O ^F^U^N^C^T^I^O^N^S ^A^N^D ^D^A^T^A ^I^N ^E^X^T^E^R^N^A^L ^T^E^R^M^S, ^R^A^T^H^E^R 
 ^T^H^A^N ^O^N^L^Y ^I^N ^O^C^T^A^L ^N^U^M^B^E^R^S ^A^N^D ^B^I^T ^P^O^S^I^T^I^O^N^S.  T^H^E^S^E ^C^O^M^M^E^N^T^S ^F^O^L^L^O^W
 ^T^H^E ^G^E^N^E^R^A^L ^R^E^Q^U^I^R^E^M^E^N^T^S ^F^O^U^N^D ^I^N ^S^E^C^T^I^O^N 2.2. 
  
  
 2.5.2 EMBEDDED COMMENTS
  
 E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T^S ^A^R^E ^C^O^M^M^E^N^T^S ^I^N ^C^O^L^U^M^N^S 30-71 ^O^F ^A ^L^I^N^E ^A^S^S^E^M^B^L^E^D 
 ^B^Y COMPASS, ^N^O^T ^A ^C^O^M^M^E^N^T ^L^I^N^E.  T^H^E ^C^O^M^M^E^N^T ^N^E^E^D ^N^O^T ^B^E ^A ^C^O^M^P^L^E^T^E
 ^S^E^N^T^E^N^C^E ^A^N^D ^I^S ^N^O^T ^T^E^R^M^I^N^A^T^E^D ^W^I^T^H ^A ^P^E^R^I^O^D.  T^H^I^S ^T^Y^P^E ^O^F ^C^O^M^M^E^N^T 
 ^I^S ^N^E^V^E^R ^C^O^N^T^I^N^U^E^D ^O^N^T^O ^A^N^O^T^H^E^R ^L^I^N^E.  I^F ^T^H^E ^I^N^T^E^N^D^E^D ^C^O^M^M^E^N^T ^I^S
 ^T^O^O ^L^O^N^G ^T^O ^F^I^T ^O^N ^T^H^E ^S^I^N^G^L^E ^L^I^N^E, ^I^T ^I^S ^I^N^S^E^R^T^E^D ^A^S ^A ^S^T^A^N^D-^A^L^O^N^E
 ^C^O^M^M^E^N^T ^P^R^E^C^E^D^I^N^G ^T^H^E ^A^R^E^A ^O^F ^C^O^D^E ^T^O ^W^H^I^C^H ^I^T ^A^P^P^L^I^E^S.  C^A^R^E ^S^H^O^U^L^D 
 ^B^E ^T^A^K^E^N ^N^O^T ^T^O ^O^V^E^R^F^L^O^W ^I^N^T^O ^C^O^L^U^M^N 72. 
  
 A^N ^E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T ^D^E^S^C^R^I^B^E^S ^T^H^E ^F^U^N^C^T^I^O^N ^O^F ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^O^R 
 ^S^E^Q^U^E^N^C^E ^O^F ^I^N^S^T^R^U^C^T^I^O^N^S ^O^N ^W^H^I^C^H ^I^T ^A^P^P^E^A^R^S.  (I^T ^M^U^S^T ^B^E ^A^T ^T^H^E
 ^B^E^G^I^N^N^I^N^G ^O^F ^T^H^E ^S^E^Q^U^E^N^C^E.)  I^T ^D^O^E^S ^N^O^T ^D^E^S^C^R^I^B^E ^T^H^E ^H^A^R^D^W^A^R^E
 ^O^P^E^R^A^T^I^O^N ^B^E^I^N^G ^P^E^R^F^O^R^M^E^D, ^B^U^T ^R^A^T^H^E^R ^I^T^S ^M^E^A^N^I^N^G ^I^N ^T^H^E ^C^O^N^T^E^X^T ^O^F
 ^T^H^E ^F^U^N^C^T^I^O^N ^T^O ^B^E ^P^E^R^F^O^R^M^E^D ^B^Y ^T^H^E ^P^R^O^G^R^A^M. 
  
1                                                           PAGE    18
  
  
 W^I^T^H ^T^H^E ^E^X^C^E^P^T^I^O^N ^O^F ^E^X^T^R^E^M^E^L^Y ^C^O^M^P^L^E^X ^C^O^D^E, ^I^T ^S^H^O^U^L^D ^N^O^T ^B^E 
 ^N^E^C^E^S^S^A^R^Y ^T^O ^P^U^T ^E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T^S ^O^N ^E^V^E^R^Y ^L^I^N^E.  F^R^E^Q^U^E^N^T^L^Y, ^I^T ^I^S 
 ^A^D^V^A^N^T^A^G^E^O^U^S ^T^O ^O^M^I^T "^O^B^V^I^O^U^S" ^O^R ^R^E^D^U^N^D^E^N^T ^C^O^M^M^E^N^T^S, ^S^I^N^C^E ^I^T ^T^H^E^N 
 ^B^E^C^O^M^E^S ^E^A^S^I^E^R ^F^O^R ^T^H^E ^C^A^S^U^A^L ^R^E^A^D^E^R ^T^O ^S^C^A^N ^T^H^E ^R^O^U^T^I^N^E. 
  
 A^N ^E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T ^I^S ^R^E^Q^U^I^R^E^D ^O^N ^E^A^C^H ^J^U^M^P ^I^N^S^T^R^U^C^T^I^O^N, ^T^O
 ^I^D^E^N^T^I^F^Y ^T^H^E ^C^O^N^D^I^T^I^O^N ^B^E^I^N^G ^T^E^S^T^E^D (^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P^S) ^O^R ^T^H^E 
 ^A^C^T^I^O^N ^B^E^I^N^G ^T^A^K^E^N (^U^N^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P^S).  O^N ^J^U^M^P ^I^N^S^T^R^U^C^T^I^O^N^S, ^T^H^E 
 ^W^O^R^D "JUMP" ^I^S ^S^U^P^E^R^F^L^U^O^U^S, ^A^N^D ^I^S ^N^O^T ^U^S^E^D.  O^N ^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P^S,
 ^T^H^E ^C^O^M^M^E^N^T ^M^U^S^T ^B^E^G^I^N ^W^I^T^H ^T^H^E ^W^O^R^D "IF" ^A^N^D ^D^E^S^C^R^I^B^E^S ^T^H^E 
 ^C^O^N^D^I^T^I^O^N ^O^N ^W^H^I^C^H ^T^H^E ^J^U^M^P ^W^I^L^L ^B^E ^E^X^E^C^U^T^E^D.  T^H^E^S^E ^C^O^M^M^E^N^T^S ^F^O^L^L^O^W
 ^T^H^E ^G^E^N^E^R^A^L ^R^E^Q^U^I^R^E^M^E^N^T^S ^F^O^U^N^D ^I^N S^E^C^T^I^O^N 2.2.
  
 A^N ^E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T ^I^S ^R^E^Q^U^I^R^E^D ^O^N ^A^L^L ^P^S^E^U^D^O ^T^E^S^T^S (ERRNZ, ERRPL, 
 ^E^T^C.).  T^H^E ^C^O^M^M^E^N^T ^S^H^O^U^L^D ^S^T^A^T^E ^T^H^E ^C^O^N^D^I^T^I^O^N ^F^O^R ^W^H^I^C^H ^T^H^E ^T^E^S^T
 ^F^A^I^L^S ^A^N^D ^T^H^E ^W^O^R^D "IF" ^S^H^O^U^L^D ^N^O^T ^B^E ^U^S^E^D.
  
 E^X^A^M^P^L^E -     ERRNG     *-BUFAL   CODE OVERFLOWS BUFFER AREA 
  
 2.6 MACRO LEVEL DOCUMENTATION
  
 T^H^E ^H^E^A^D^I^N^G ^O^F ^A^N^Y ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N ^C^O^N^S^I^S^T^S ^O^F ^C^O^M^M^E^N^T ^L^I^N^E^S ^G^I^V^I^N^G
 ^A ^B^R^I^E^F ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^I^T^S ^F^U^N^C^T^I^O^N, ^I^T^S ^E^N^T^R^Y ^A^N^D ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S, 
 ^R^E^G^I^S^T^E^R ^O^R ^D^I^R^E^C^T ^C^E^L^L ^U^S^A^G^E ^A^N^D ^I^N^T^E^R^N^A^L ^W^O^R^K^I^N^G^S.  T^H^E
 ^I^N^F^O^R^M^A^T^I^O^N ^C^O^N^T^A^I^N^E^D ^S^H^O^U^L^D ^B^E ^O^N ^A ^L^E^V^E^L ^I^N^D^I^C^A^T^E^D ^B^Y ^T^H^E
 ^C^O^M^P^L^E^X^I^T^Y ^O^F ^T^H^E ^M^A^C^R^O.  T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S ^O^F ^D^A^T^A ^S^H^O^U^L^D ^B^E
 ^I^N^C^L^U^D^E^D (^S^E^E ^S^E^C^T^I^O^N 2.7.4 ^F^O^R ^T^H^E ^L^A^Y^O^U^T ^O^F ^T^H^E^S^E ^I^T^E^M^S)@D 
  
     .    SPACE ^L^I^N^E (^S^E^E ^S^E^C^T^I^O^N 3.6.3)
     .    I^N^T^E^R^N^A^L ^C^O^M^M^E^N^T ^L^I^N^E ^G^I^V^I^N^G ^N^A^M^E ^A^N^D ^T^I^T^L^E ^O^F ^M^A^C^R^O 
     .    O^N^E ^O^R ^M^O^R^E ^L^I^N^E^S ^O^F ^T^E^X^T ^E^X^P^L^A^I^N^I^N^G ^T^H^E ^P^U^R^P^O^S^E ^A^N^D/^O^R 
          ^F^U^N^C^T^I^O^N ^O^F ^T^H^E ^M^A^C^R^O (^O^P^T^I^O^N^A^L ^B^U^T ^D^E^S^I^R^A^B^L^E). 
     .    F^O^R^M^A^T ^O^F ^M^A^C^R^O ^C^A^L^L
     .    E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S (^L^I^S^T) 
     .    E^X^I^T ^C^O^N^D^I^T^I^O^N^S (^L^I^S^T) 
     .    R^E^G^I^S^T^E^R ^O^R ^D^I^R^E^C^T ^C^E^L^L ^U^S^A^G^E (^L^I^S^T)
     .    R^O^U^T^I^N^E^S ^C^A^L^L^E^D (^L^I^S^T) 
     .    M^A^C^R^O^S ^C^A^L^L^E^D (^L^I^S^T) 
     .    T^W^O ^B^L^A^N^K ^L^I^N^E^S 
  
 D^E^F^I^N^E^D ^F^O^R^M^A^T^S ^E^X^I^S^T ^F^O^R ^T^H^E ^L^I^S^T ^O^F ^I^T^E^M^S ^I^N ^T^H^E ^M^A^C^R^O ^H^E^A^D^I^N^G.
 A ^K^E^Y^W^O^R^D ^A^P^P^E^A^R^S ^I^N ^C^O^L^U^M^N 11, ^F^O^L^L^O^W^E^D ^B^Y ^T^E^X^T ^I^N ^C^O^L^U^M^N 18.  T^H^E
 ^T^E^X^T ^I^S ^S^I^M^P^L^Y ^A ^L^I^S^T, ^R^A^T^H^E^R ^T^H^A^N ^C^O^M^P^L^E^T^E ^S^E^N^T^E^N^C^E^S.  A^N^Y ^L^I^S^T 
 ^R^E^Q^U^I^R^I^N^G ^M^O^R^E ^T^H^A^N ^O^N^E ^L^I^N^E ^I^S ^C^O^N^T^I^N^U^E^D ^B^E^G^I^N^N^I^N^G ^I^N ^C^O^L^U^M^N 18 (^O^R 
 ^B^E^Y^O^N^D) ^O^F ^T^H^E ^N^E^X^T ^C^O^M^M^E^N^T ^L^I^N^E.  T^H^E ^F^O^R^M^A^T^S ^A^R^E ^S^H^O^W^N ^B^E^L^O^W.
 E^A^C^H ^L^I^S^T ^E^N^D^S ^W^I^T^H ^A ^P^E^R^I^O^D.
  
1                                                           PAGE    19
  
  
     ENTRY     E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S.
     EXIT      E^X^I^T ^C^O^N^D^I^T^I^O^N^S.
     USES      R^E^G^I^S^T^E^R ^O^R ^D^I^R^E^C^T ^C^E^L^L^S ^D^E^S^T^R^O^Y^E^D. 
     CALLS     R^O^U^T^I^N^E^S ^C^A^L^L^E^D.
     MACROS    M^A^C^R^O^S ^C^A^L^L^E^D.
  
  
 2.6.1 ENTRY CONDITIONS (ENTRY) 
  
 E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S ^M^A^Y ^I^N^C^L^U^D^E ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S@D
  
     .    D^E^S^C^R^I^P^T^I^O^N ^O^F ^M^A^C^R^O ^P^A^R^A^M^E^T^E^R^S ^T^H^A^T ^A^R^E ^A^L^L^O^W^E^D.  C^O^M^P^L^E^T^E 
          ^D^E^S^C^R^I^P^T^I^O^N^S ^O^F ^M^A^C^R^O ^P^A^R^A^M^E^T^E^R^S ^I^N^C^L^U^D^E@D
               1. ^V^A^L^I^D ^P^A^R^A^M^E^T^E^R ^O^P^T^I^O^N^S
               2. ^D^E^F^A^U^L^T ^V^A^L^U^E^S ^O^F ^P^A^R^A^M^E^T^E^R^S 
               3. ^R^E^G^I^S^T^E^R ^O^P^T^I^M^I^Z^A^T^I^O^N, ^I^F ^A^P^P^L^I^C^A^B^L^E
  
     .    R^E^G^I^S^T^E^R^S, ^D^I^R^E^C^T ^C^E^L^L^S ^O^R ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N^S ^T^H^A^T ^M^U^S^T ^B^E
          ^S^E^T ^B^E^F^O^R^E ^T^H^E ^M^A^C^R^O ^I^S ^C^A^L^L^E^D.  E^N^T^R^Y ^C^O^N^D^I^T^I^O^N^S ^M^A^Y ^R^E^F^E^R
          ^T^O ^T^H^E ^E^N^T^R^Y ^D^O^C^U^M^E^N^T^A^T^I^O^N ^F^O^U^N^D ^I^N ^S^U^B^R^O^U^T^I^N^E^S ^C^A^L^L^E^D ^B^Y
          ^T^H^E ^M^A^C^R^O.
  
     .    L^O^G^I^C^A^L ^S^T^A^T^U^S ^O^F ^C^H^A^N^N^E^L^S, ^F^I^L^E^S, ^E^T^C.,(^I.^E.  C^H^A^N^N^E^L^S
          ^R^E^S^E^R^V^E^D, ^F^I^L^E^S ^S^E^T ^B^U^S^Y, ^D^I^S^K ^P^O^S^T^I^O^N^E^D, ^F^I^L^E^S ^P^O^S^I^T^I^O^N^E^D) 
          ^T^H^A^T ^S^H^O^U^L^D ^E^X^I^S^T ^B^E^F^O^R^E ^T^H^E ^M^A^C^R^O ^I^S ^C^A^L^L^E^D.
  
 O^N^L^Y ^O^N^E ^E^N^T^R^Y ^C^O^N^D^I^T^I^O^N ^M^A^Y ^B^E ^S^P^E^C^I^F^I^E^D ^P^E^R ^L^I^N^E.  F^O^R PP ^C^O^D^E, 
 ^T^H^E ^C^O^N^T^E^N^T^S ^O^F ^T^H^E A ^R^E^G^I^S^T^E^R ^S^H^O^U^L^D ^B^E ^D^E^S^C^R^I^B^E^D ^F^I^R^S^T.
  
  
 2.6.2 EXIT CONDITIONS (EXIT) 
  
 E^X^I^T ^C^O^N^D^I^T^I^O^N^S ^I^N^C^L^U^D^E ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^T^E^M^S@D 
  
     .    R^E^G^I^S^T^E^R^S, ^D^I^R^E^C^T ^C^E^L^L^S ^O^R ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N^S ^T^H^A^T ^M^A^Y ^B^E
          ^U^S^E^D ^B^Y ^S^U^B^S^E^Q^U^E^N^T ^R^O^U^T^I^N^E^S.  E^X^I^T ^C^O^N^D^I^T^I^O^N^S ^M^A^Y ^R^E^F^E^R ^T^O 
          ^E^X^I^T ^C^O^N^D^I^T^I^O^N^S ^I^N ^S^U^B^R^O^U^T^I^N^E^S ^C^A^L^L^E^D ^B^Y ^T^H^E ^M^A^C^R^O.
  
     .    L^O^G^I^C^A^L ^S^T^A^T^U^S ^O^F ^C^H^A^N^N^E^L^S, ^F^I^L^E^S, ^E^T^C., (^I.^E.  C^H^A^N^N^E^L^S 
          ^R^E^S^E^R^V^E^D, ^F^I^L^E^S ^S^E^T ^B^U^S^Y, ^D^I^S^K ^P^O^S^I^T^I^O^N^E^D, ^F^I^L^E^S ^P^O^S^T^I^O^N^E^D) 
          ^T^H^A^T ^E^X^I^S^T ^W^H^E^N ^T^H^E ^C^O^D^E ^G^E^N^E^R^A^T^E^D ^B^Y ^T^H^E ^M^A^C^R^O ^I^S ^E^X^I^T^E^D. 
  
     .    S^P^E^C^I^A^L ^T^E^R^M^I^N^A^T^I^O^N^S ^O^F ^T^H^E ^M^A^C^R^O ^S^U^C^H ^A^S ^J^U^M^P^S ^T^O ^E^R^R^O^R
          ^P^R^O^C^E^S^S^O^R^S ^O^R ^T^O ^A^N^Y ^O^T^H^E^R ^R^O^U^T^I^N^E^S.  T^H^E ^L^A^B^E^L ^B^E^I^N^G 
          ^J^U^M^P^E^D ^T^O ^A^N^D ^T^H^E ^C^O^N^D^I^T^I^O^N^S ^T^H^A^T ^C^A^U^S^E ^T^H^E ^S^P^E^C^I^A^L ^E^X^I^T 
          ^S^H^O^U^L^D ^B^E ^D^O^C^U^M^E^N^T^E^D. 
  
 O^N^L^Y ^O^N^E ^E^X^I^T ^C^O^N^D^I^T^I^O^N ^I^S ^L^I^S^T^E^D ^P^E^R ^L^I^N^E.  F^O^R PP ^C^O^D^E, ^T^H^E 
 ^C^O^N^T^E^N^T^S ^O^F ^T^H^E A ^R^E^G^I^S^T^E^R ^S^H^O^U^L^D ^B^E ^D^E^S^C^R^I^B^E^D ^F^I^R^S^T. 
  
  
1                                                           PAGE    20
  
  
 2.6.3 REGISTER OR DIRECT CELL USAGE (USES) 
  
 R^E^G^I^S^T^E^R^S ^O^R ^D^I^R^E^C^T ^C^E^L^L^S ^U^S^E^D ^I^N^C^L^U^D^E ^A^L^L ^R^E^G^I^S^T^E^R^S ^O^R ^D^I^R^E^C^T ^C^E^L^L^S
 ^D^E^S^T^R^O^Y^E^D (^O^R ^M^O^D^I^F^I^E^D) ^B^Y ^T^H^A^T ^M^A^C^R^O ^O^N^L^Y.  R^E^F^E^R ^T^O ^S^E^C^T^I^O^N 2.4.4 
 ^F^O^R ^T^H^E ^F^O^R^M^A^T ^O^F ^T^H^E USES ^B^L^O^C^K.
  
  
 2.6.4 ROUTINES CALLED (CALLS)
  
 R^O^U^T^I^N^E^S ^C^A^L^L^E^D ^B^Y ^A ^M^A^C^R^O ^I^N^C^L^U^D^E ^A^L^L ^S^U^B^R^O^U^T^I^N^E^S ^A^N^D ^O^V^E^R^L^A^Y^S ^T^H^A^T
 ^A^R^E ^E^X^P^L^I^C^I^T^L^Y ^C^A^L^L^E^D.  R^O^U^T^I^N^E^S ^C^A^L^L^E^D ^B^Y ^M^A^C^R^O^S ^W^I^T^H^I^N ^T^H^E ^M^A^C^R^O 
 ^D^E^F^I^N^I^T^I^O^N ^A^R^E ^N^O^T ^T^O ^B^E ^I^N^C^L^U^D^E^D. 
  
  
 2.6.5 MACROS CALLED (MACROS) 
  
 M^A^C^R^O^S ^C^A^L^L^E^D ^I^N^C^L^U^D^E ^A^L^L ^M^A^C^R^O^S ^T^H^A^T ^A^R^E ^E^X^P^L^I^C^I^T^L^Y ^C^A^L^L^E^D ^B^Y ^A
 ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N. 
  
  
 2.7 DOCUMENTATION EXAMPLES 
  
 T^H^E^S^E ^E^X^A^M^P^L^E^S ^A^R^E ^S^T^A^T^E^M^E^N^T^S ^O^F ^T^H^E ^S^T^A^N^D^A^R^D ^A^N^D ^A^R^E ^I^N^T^E^N^D^E^D ^A^S
 ^F^U^R^T^H^E^R ^C^L^A^R^I^F^I^C^A^T^I^O^N ^O^F ^T^H^E ^R^E^Q^U^I^R^E^D ^P^R^O^C^E^D^U^R^E^S. 
  
  
 2.7.1 PROGRAM LEVEL
  
     ***       LIBEDIT - LIBRARY EDITING PROGRAM. 
     *
     *         A. B. ORIGINAL.    74/01/01. 
     *         A. B. MODIFIER.    75/01/01. 
     *         C. D. MODIFIER.    76/01/01. 
               SPACE  4,10
     ***       *LIBEDIT* IS A GENERAL PURPOSE FILE EDITING
     *         PROGRAM CAPABLE OF MODIFYING AND GENERATING
     *         LIBRARY FILES. 
               SPACE  4,10
     ***       COMMAND FORMAT.
     *         .
     *         .
               .
               SPACE  4,10
     ***       DAYFILE MESSAGES.
     *         .
     *         .
               .
1                                                           PAGE    21
  
  
               SPACE  4,10
     ***       ACCOUNT FILE MESSAGES. 
     *         .
     *         .
               .
               SPACE  4,10
     ***       ERROR LOG MESSAGES.
     *         .
     *         .
               .
               SPACE  4,10
     ***       OPERATOR MESSAGES. 
     *         .
     *         .
               .
               SPACE  4,10
     *         COMMON DECKS.
               .
               .
               .
               SPACE  4,10
     *         MACRO  DEFINITIONS.
               .
               .
               .
     ****      ASSEMBLY CONSTANTS.
  
  
     BUFL      EQU    1001B        OUTPUT BUFFER LENGTH 
     **** 
               SPACE  4,10
     *         GLOBAL STORAGE.
               .
               .
               .
  
  
 2.7.2 SUBROUTINE LEVEL (PP CODE) 
  
               TITLE  ERROR PROCESSING ROUTINES.
     LEM       SPACE  4,30
     **        LEM - LIST ERROR MESSAGE.
     *
     *         *LEM* ISSUES ERROR MESSAGES TO THE JOB AND 
     *         SYSTEM DAYFILES AND TO THE ERROR LOG.
     *
     *         ENTRY  (A) = 1 IF SINGLE BIT SECDED ERROR. 
     *                    = 2 IF STATUS/CONTROL REGISTER
     *                        ERROR LIMIT.
1                                                           PAGE    22
  
  
     *                (SCRA - SCRA+20) = SCR IMAGE. 
     *                (NL) = ADDRESS OF NEXT LIST ENTRY.
     *
     *         EXIT   (NL) = UPDATED LIST POINTER.
     *
     *         ERROR  TO *ERR* IF ERROR ENCOUNTERED.
     *
     *         USES   T1, T2, CM - CM+4, FN - FN+4. 
     *
     *         CALLS  LMC.
     *
     *         XREF   COMPABZ.
     *
     *         MACROS MONITOR.
     *
     *         DEFINE (T2) = FWA OF MESSAGE.
     *
     *         TIMING A DELAY IS NEEDED TO AVOID FILLING THE
     *                DISK WITH ERROR LOG MESSAGES. 
  
  
     LEM       SUBR               ENTRY/EXIT
               .
               .
               .
               UJN    LEMX        RETURN
  
  
 2.7.3  SUBROUTINE LEVEL (CP CODE)
  
      ACS      SPACE  4,25
     **        ACS -  ASSEMBLE CHARACTER STRING.
     *
     *         *ACS* ASSEMBLES A CHARACTER STRING INTO BUFFER 
     *         *CBUF*, PACKED 10 CHARACTERS PER CM WORD.
     *
     *         ENTRY  (B6) = FWA OF CHARACTER STRING. 
     *                (B7) = LENGTH OF STRING BUFFER. 
     *
     *         EXIT   (CBUF - CBUF+20) = CHARACTER STRING.
     *
     *         ERROR  TO *ERR* IF INVALID CHARACTER FOUND.
     *                (X1) = FWA OF ERROR MESSAGE.
     *
     *         USES   X - 0, 1, 6.
     *                A - 1, 6. 
     *                B - 6, 7. 
     *
1                                                           PAGE    23
  
  
     *         CALLS  MCI.
     *
     *         MACROS GETCH.
     *
     *         DEFINE (X0) = CHARACTER MASK.
  
  
      ACS      SUBR               ENTRY/EXIT
               .
               .
               .
               EQ     ACSX        RETURN
  
  
 2.7.4 MACRO LEVEL DOCUMENTATION
  
      ERROR    SPACE  4,10
     **        ERROR - ERROR PROCESSING MACRO.
     *
     *         ERROR  ADDR
     *
     *         ENTRY  *ADDR* = FWA OF DAYFILE MESSAGE.
     *
     *         EXIT   TO *EPR*. 
     *
     *         USES   X - 1.
  
  
               PURGMAC ERROR
  
     ERROR     MACRO  A 
               SX1    A 
               EQ     EPR 
     ERROR     ENDM 
  
1                                                           PAGE    24
  
  
 3.0 CODING 
  
  
 3.1 LINE LAYOUTS 
  
  
 3.1.1 COMPASS OPERATION LINES
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^L^I^S^T ^O^F ^C^O^L^U^M^N ^N^U^M^B^E^R^S ^R^E^P^R^E^S^E^N^T ^T^H^E ^B^E^G^I^N^N^I^N^G ^O^F ^E^A^C^H
 ^F^I^E^L^D ^I^N ^A COMPASS ^C^O^D^I^N^G ^L^I^N^E.  (A^N ^E^X^C^E^P^T^I^O^N ^I^S ^A^L^L^O^W^E^D ^F^O^R ^M^A^C^R^O 
 ^D^E^F^I^N^I^T^I^O^N^S ^I^N ^S^Y^S^T^E^M ^T^E^X^T^S ^W^H^E^R^E ^S^P^A^C^E ^I^S ^C^R^I^T^I^C^A^L.  R^E^F^E^R ^T^O 
 ^S^E^C^T^I^O^N 3.6.5.) 
  
     C^O^L^U^M^N 1       = C^O^N^T^I^N^U^A^T^I^O^N ^F^I^E^L^D (^C^O^M^M^A) ^I^F ^R^E^Q^U^I^R^E^D
     C^O^L^U^M^N 2       = L^O^C^A^T^I^O^N ^F^I^E^L^D 
     C^O^L^U^M^N 11      = O^P^E^R^A^T^I^O^N ^F^I^E^L^D 
     C^O^L^U^M^N 18      = A^D^D^R^E^S^S ^F^I^E^L^D 
     C^O^L^U^M^N 30      = C^O^M^M^E^N^T ^F^I^E^L^D 
     C^O^L^U^M^N 73-80   = R^E^S^E^R^V^E^D
  
 I^F ^A ^F^I^E^L^D ^I^S ^F^U^L^L ^O^R ^O^V^E^R^F^L^O^W^S ^I^N^T^O ^A^N ^A^D^J^A^C^E^N^T ^F^I^E^L^D, ^T^H^E^N ^T^W^O 
 ^S^P^A^C^E^S ^S^H^O^U^L^D ^S^E^P^A^R^A^T^E ^T^H^E ^F^I^E^L^D^S.  F^O^R ^R^E^A^D^A^B^I^L^I^T^Y, ^A ^B^L^O^C^K ^O^F
 ^C^O^M^M^E^N^T^S ^C^A^N ^B^E ^A^L^I^G^N^E^D ^I^N ^A ^C^O^L^U^M^N ^P^A^S^T ^C^O^L^U^M^N 30.  C^O^L^U^M^N 72 ^O^F
 ^T^H^E ^C^O^M^M^E^N^T ^F^I^E^L^D ^S^H^O^U^L^D ^B^E ^B^L^A^N^K ^U^N^L^E^S^S ^A ^C^O^N^T^I^N^U^A^T^I^O^N ^L^I^N^E ^I^S 
 ^R^E^Q^U^I^R^E^D.
  
 3.1.2 COMPASS COMMENT LINES
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^L^I^S^T ^O^F ^C^O^L^U^M^N ^N^U^M^B^E^R^S ^R^E^P^R^E^S^E^N^T ^T^H^E ^F^O^R^M^A^T ^O^F ^A
 ^C^O^M^M^E^N^T ^L^I^N^E.  A ^F^U^L^L ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^W^H^E^R^E ^A^N^D ^H^O^W ^T^O ^U^S^E ^C^O^M^M^E^N^T 
 ^L^I^N^E^S ^I^S ^F^O^U^N^D ^I^N ^S^E^C^T^I^O^N 2.
  
     C^O^L^U^M^N 1     = ^A^L^W^A^Y^S ^C^O^N^T^A^I^N^S ^A^N ^A^S^T^E^R^I^S^K
     C^O^L^U^M^N 2-5   = (^S^E^E ^S^E^C^T^I^O^N 2.2.3)
     C^O^L^U^M^N 6-10  = ^G^E^N^E^R^A^L^L^Y ^B^L^A^N^K
     C^O^L^U^M^N 11-71 = ^C^O^N^T^A^I^N^S ^T^H^E ^T^E^X^T ^O^F ^T^H^E ^C^O^M^M^E^N^T
     C^O^L^U^M^N 72-80 = ^R^E^S^E^R^V^E^D 
  
  
 3.2 PROGRAM LAYOUT 
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^S^E^C^T^I^O^N^S ^D^E^F^I^N^E ^T^H^E ^C^O^M^P^O^N^E^N^T^S ^O^F ^A ^P^R^O^G^R^A^M ^I^N ^T^H^E
 ^O^R^D^E^R ^T^H^E^Y ^A^P^P^E^A^R ^W^I^T^H^I^N ^T^H^E ^P^R^O^G^R^A^M.  I^T ^I^S ^N^O^T ^E^X^P^E^C^T^E^D ^O^R
 ^R^E^Q^U^I^R^E^D ^T^H^A^T ^E^V^E^R^Y ^P^R^O^G^R^A^M ^W^I^L^L ^C^O^N^S^I^S^T ^O^F ^A^L^L ^C^O^M^P^O^N^E^N^T^S 
 ^D^E^S^C^R^I^B^E^D.  I^N ^T^H^I^S ^D^I^S^C^U^S^S^I^O^N ^A "^P^R^O^G^R^A^M" ^I^S ^A ^R^E^L^O^C^A^T^A^B^L^E ^P^R^O^G^R^A^M 
 ^U^N^I^T (^F^R^O^M "IDENT" ^T^O "END"), ^A^N ^E^N^T^I^R^E ^A^B^S^O^L^U^T^E ^P^R^O^G^R^A^M ^O^R ^A ^C^O^M^M^O^N 
 ^D^E^C^K.  A ^S^U^B^R^O^U^T^I^N^E ^I^S ^A ^R^O^U^T^I^N^E ^W^I^T^H^I^N ^A ^P^R^O^G^R^A^M. 
  
  
1                                                           PAGE    25
  
  
 3.2.1 GROUP 1 INSTRUCTIONS 
  
 G^R^O^U^P 1 ^I^N^S^T^R^U^C^T^I^O^N^S ^A^P^P^E^A^R ^A^T ^T^H^E ^B^E^G^I^N^N^I^N^G ^O^F ^E^A^C^H ^P^R^O^G^R^A^M ^A^N^D 
 ^C^O^N^T^A^I^N ^T^H^E ^I^D^E^N^T^I^F^I^C^A^T^I^O^N ^A^N^D ^E^N^V^I^R^O^N^M^E^N^T ^I^N^F^O^R^M^A^T^I^O^N ^F^O^R ^T^H^E
 ^P^R^O^G^R^A^M.  T^H^E ^F^O^L^L^O^W^I^N^G ^E^X^A^M^P^L^E^S ^D^E^F^I^N^E ^T^H^E ^L^A^Y^O^U^T ^O^F ^T^H^E G^R^O^U^P 1
 ^I^N^S^T^R^U^C^T^I^O^N^S ^F^O^R ^E^A^C^H ^T^Y^P^E ^O^F ^P^R^O^G^R^A^M. 
  
  
 3.2.1.1 PERIPHERAL PROCESSOR PROGRAMS
  
     1         11     18          30           (C^O^L^U^M^N^S)
     +---------+------+-----------+-----
  
               IDENT  XXX,ORIGIN
               MACHINE            (^O^P^T^I^O^N^A^L)
               PERIPH 
               NOLABEL            (^D^E^A^D^S^T^A^R^T ^R^O^U^T^I^N^E^S) 
               BASE   M 
               LIST               (^O^P^T^I^O^N^A^L)
               SST
               TITLE  XXX - ^P^R^O^G^R^A^M ^D^E^S^C^R^I^P^T^I^O^N.
     *COMMENT  ^D^E^C^K^N^A^M^E - ^D^E^S^C^R^I^P^T^I^O^N. 
               COMMENT  COPYRIGHT CONTROL DATA SYSTEMS INC.  ^Y^E^A^R.
      XXX      SPACE  4,10
  
  
 3.2.1.2 CENTRAL PROCESSOR PROGRAMS 
  
  
               IDENT  XXXXXXX,FWA ^P^R^O^G^R^A^M ^D^E^S^C^R^I^P^T^I^O^N 
               ABS                (^O^P^T^I^O^N^A^L)
               MACHINE            (^O^P^T^I^O^N^A^L)
               LCC                (^O^P^T^I^O^N^A^L)
               SST                (^O^P^T^I^O^N^A^L)
               ENTRY  YYYY        (^O^P^T^I^O^N^A^L)
               SYSCOM B1
               LIST               (^O^P^T^I^O^N^A^L)
               TITLE  XXXXXXX - ^P^R^O^G^R^A^M ^D^E^S^C^R^I^P^T^I^O^N.
     *COMMENT  ^D^E^C^K^N^A^M^E - ^D^E^S^C^R^I^P^T^I^O^N. 
               COMMENT  COPYRIGHT CONTROL DATA SYSTEMS INC.  ^Y^E^A^R.
      XXX      SPACE  4,10
  
  
1                                                           PAGE    26
  
  
 3.2.1.3 COMMON DECKS 
  
     1         11     18          30           (C^O^L^U^M^N^S)
     +---------+------+-----------+-----
  
               CTEXT  XXXXXXX - ^C^O^M^M^O^N ^D^E^C^K ^D^E^S^C^R^I^P^T^I^O^N. 
               SPACE  4,10
      QUAL$    IF     -DEF,QUAL$
               QUAL   XXXXXXX 
      QUAL$    ENDIF
               BASE   B           (B = ^A^N^Y ^L^E^G^A^L ^V^A^L^U^E)
               CODE   C           (^O^P^T^I^O^N^A^L)
     *         COMMENT  COPYRIGHT CONTROL DATA SYSTEMS INC.  ^Y^E^A^R.
      XXX      SPACE  4,10
  
 R^E^F^E^R ^T^O ^S^E^C^T^I^O^N 4.4.3 ^F^O^R ^F^U^R^T^H^E^R ^I^N^F^O^R^M^A^T^I^O^N ^O^N ^Q^U^A^L^I^F^I^C^A^T^I^O^N ^O^F
 ^C^O^M^M^O^N ^D^E^C^K^S. 
  
  
 3.2.2 PROGRAM LEVEL DOCUMENTATION
  
 P^R^O^G^R^A^M ^L^E^V^E^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^C^O^N^S^I^S^T^S ^O^F ^O^V^E^R^V^I^E^W, ^E^X^T^E^R^N^A^L ^A^N^D
 ^I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^A^S ^D^E^S^C^R^I^B^E^D ^I^N ^S^E^C^T^I^O^N 2.3. 
  
  
 3.2.3 MACRO DEFINITIONS
  
 T^H^E ^M^A^C^R^O^S ^A^R^E ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R.  C^O^M^M^O^N ^D^E^C^K^S ^W^H^I^C^H ^D^E^F^I^N^E
 ^M^A^C^R^O^S ^S^H^O^U^L^D ^B^E ^I^N^C^L^U^D^E^D ^B^E^F^O^R^E ^L^O^C^A^L ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N^S ^I^N 
 ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R. 
  
  
 3.2.4 INSTALLATION SYMBOL DEFINITIONS
  
 I^N^S^T^A^L^L^A^T^I^O^N ^S^Y^M^B^O^L^S ^A^R^E ^P^A^R^A^M^E^T^E^R^S ^T^H^A^T ^M^A^Y ^B^E ^C^H^A^N^G^E^D ^B^Y ^A ^S^I^T^E
 ^W^H^E^N ^I^N^S^T^A^L^L^I^N^G ^A ^P^R^O^D^U^C^T.  T^H^E^S^E ^S^Y^M^B^O^L^S ^M^A^Y ^I^N^C^L^U^D^E ^B^U^F^F^E^R
 ^L^E^N^G^T^H^S, ^D^E^F^A^U^L^T ^V^A^L^U^E^S, ^A^N^D ^T^I^M^I^N^G ^D^E^L^A^Y^S.  I^N^S^T^A^L^L^A^T^I^O^N ^S^Y^M^B^O^L^S 
 ^A^R^E ^D^E^F^I^N^E^D ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R ^U^N^L^E^S^S ^F^U^N^C^T^I^O^N^A^L ^O^R^D^E^R ^I^S ^M^O^R^E
 ^M^E^A^N^I^N^G^F^U^L.  T^H^E ^I^N^S^T^A^L^L^A^T^I^O^N ^S^Y^M^B^O^L ^D^E^F^I^N^I^T^I^O^N ^A^R^E^A ^S^H^O^U^L^D ^B^E 
 ^B^R^A^C^K^E^T^E^D ^B^Y ^I^N^T^E^R^N^A^L ^B^R^A^C^K^E^T ^L^I^N^E^S (****). 
  
  
 3.2.5 LOCAL SYMBOL DEFINITIONS 
  
 L^O^C^A^L ^S^Y^M^B^O^L^S ^A^R^E ^P^A^R^A^M^E^T^E^R^S ^T^H^A^T ^S^H^O^U^L^D ^N^O^T ^B^E ^C^H^A^N^G^E^D ^B^Y ^A^N
 ^I^N^S^T^A^L^L^A^T^I^O^N.  T^H^E^S^E ^S^Y^M^B^O^L^S ^M^A^Y ^I^N^C^L^U^D^E ^C^O^D^E ^G^E^N^E^R^A^T^I^O^N ^S^Y^M^B^O^L^S 
 (QUAL$, DBI$, ^E^T^C.)  A^N^D ^S^Y^M^B^O^L^S ^U^S^E^D ^F^O^R ^C^R^O^S^S ^R^E^F^E^R^E^N^C^E ^P^U^R^P^O^S^E^S. 
 L^O^C^A^L ^S^Y^M^B^O^L^S ^A^R^E ^D^E^F^I^N^E^D ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R, ^U^N^L^E^S^S
 ^F^U^N^C^T^I^O^N^A^L ^O^R^D^E^R ^I^S ^M^O^R^E ^M^E^A^N^I^N^G^F^U^L.
  
  
1                                                           PAGE    27
  
  
 3.2.6 GLOBAL MEMORY DEFINITIONS
  
 T^H^I^S ^S^E^C^T^I^O^N ^O^F ^T^H^E ^P^R^O^G^R^A^M ^I^S ^U^S^E^D ^T^O ^D^E^F^I^N^E ^M^E^M^O^R^Y ^T^H^A^T ^I^S ^P^R^E^S^E^T
 ^W^I^T^H ^D^A^T^A.  T^H^I^S ^S^E^C^T^I^O^N ^M^A^Y ^I^N^C^L^U^D^E FET^S, ^T^A^B^L^E^S, ^A^N^D ^W^O^R^K^I^N^G
 ^S^T^O^R^A^G^E.  G^L^O^B^A^L ^M^E^M^O^R^Y ^D^E^F^I^N^I^T^I^O^N^S ^A^R^E ^D^E^F^I^N^E^D ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L 
 ^O^R^D^E^R ^U^N^L^E^S^S ^F^U^N^C^T^I^O^N^A^L ^O^R^D^E^R ^I^S ^M^O^R^E ^M^E^A^N^I^N^G^F^U^L.
  
  
 3.2.7 MAIN LOOP
  
 T^H^I^S ^S^E^C^T^I^O^N ^O^F ^T^H^E ^P^R^O^G^R^A^M ^C^O^N^T^A^I^N^S ^T^H^E ^M^A^J^O^R ^L^O^G^I^C ^A^N^D ^C^O^N^T^R^O^L
 ^F^L^O^W ^F^O^R ^T^H^E ^P^R^O^G^R^A^M ^A^N^D ^I^N^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^F^O^R ^T^H^A^T ^F^L^O^W (^S^E^E
 ^S^E^C^T^I^O^N 2.4).  A TITLE ^L^I^N^E ^W^I^T^H ^A^N ^A^P^P^R^O^P^R^I^A^T^E ^S^U^B^T^I^T^L^E ^P^R^E^C^E^D^E^S
 ^T^H^E ^F^I^R^S^T ^P^R^I^M^A^R^Y ^S^U^B^R^O^U^T^I^N^E. 
  
  
 3.2.8 PRIMARY SUBROUTINES
  
 T^H^I^S ^S^E^C^T^I^O^N ^O^F ^T^H^E ^P^R^O^G^R^A^M ^C^O^N^T^A^I^N^S ^T^H^E ^S^U^B^R^O^U^T^I^N^E^S ^W^H^I^C^H ^A^R^E ^O^F
 ^M^A^J^O^R ^I^M^P^O^R^T^A^N^C^E ^T^O ^T^H^E ^P^R^O^G^R^A^M.  T^H^E^Y ^S^H^O^U^L^D ^B^E ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L 
 ^O^R^D^E^R ^U^N^L^E^S^S ^T^H^E^R^E ^I^S ^A ^L^O^G^I^C^A^L^L^Y ^A^S^S^O^C^I^A^T^E^D ^S^E^T ^O^F ^S^U^B^R^O^U^T^I^N^E^S
 ^W^H^I^C^H ^I^N^T^E^R^A^C^T ^T^O^G^E^T^H^E^R (^I^N ^W^H^I^C^H ^C^A^S^E ^T^H^E^S^E ^S^U^B^R^O^U^T^I^N^E^S ^M^A^Y ^B^E 
 ^G^R^O^U^P^E^D ^T^O^G^E^T^H^E^R).  E^A^C^H ^S^U^B^R^O^U^T^I^N^E ^C^O^N^T^A^I^N^S ^D^O^C^U^M^E^N^T^A^T^I^O^N ^A^S 
 ^D^E^S^C^R^I^B^E^D ^I^N ^S^E^C^T^I^O^N 2.4.  A TITLE ^L^I^N^E ^W^I^T^H ^A^N ^A^P^P^R^O^P^R^I^A^T^E ^S^U^B^T^I^T^L^E
 ^P^R^E^C^E^D^E^S ^T^H^E ^F^I^R^S^T ^P^R^I^M^A^R^Y ^S^U^B^R^O^U^T^I^N^E.
  
  
 3.2.9 SECONDARY SUBROUTINES
  
 T^H^I^S ^S^E^C^T^I^O^N ^O^F ^T^H^E ^P^R^O^G^R^A^M ^C^O^N^T^A^I^N^S ^S^U^B^R^O^U^T^I^N^E^S ^O^F ^M^I^N^O^R ^I^M^P^O^R^T^A^N^C^E 
 ^T^O ^T^H^E ^P^R^O^G^R^A^M.  T^H^E^Y ^S^H^O^U^L^D ^B^E ^I^N ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R ^U^N^L^E^S^S ^T^H^E^R^E
 ^I^S ^A ^L^O^G^I^C^A^L^L^Y ^A^S^S^O^C^I^A^T^E^D ^S^E^T ^O^F ^S^U^B^R^O^U^T^I^N^E^S ^W^H^I^C^H ^I^N^T^E^R^A^C^T ^T^O^G^E^T^H^E^R
 (^I^N ^W^H^I^C^H ^C^A^S^E ^T^H^E^S^E ^S^U^B^R^O^U^T^I^N^E^S ^M^A^Y ^B^E ^G^R^O^U^P^E^D ^T^O^G^E^T^H^E^R).  A TITLE 
 ^L^I^N^E ^W^I^T^H ^A^N ^A^P^P^R^O^P^R^I^A^T^E ^S^U^B^T^I^T^L^E ^P^R^E^C^E^D^E^S ^T^H^E ^F^I^R^S^T ^S^E^C^O^N^D^A^R^Y 
 ^S^U^B^R^O^U^T^I^N^E.  E^A^C^H ^S^U^B^R^O^U^T^I^N^E ^C^O^N^T^A^I^N^S ^D^O^C^U^M^E^N^T^A^T^I^O^N ^A^S ^D^E^S^C^R^I^B^E^D ^I^N 
 ^S^E^C^T^I^O^N 2.4.
  
 C^O^M^M^O^N ^D^E^C^K^S (^E^X^C^E^P^T ^T^H^O^S^E ^U^S^E^D ^F^O^R ^I^N^I^T^I^A^L^I^Z^A^T^I^O^N) ^A^R^E ^A^F^T^E^R ^T^H^E 
 ^S^E^C^O^N^D^A^R^Y ^S^U^B^R^O^U^T^I^N^E^S.  C^O^M^M^O^N ^D^E^C^K^S ^S^H^O^U^L^D ^B^E ^L^I^S^T^E^D ^I^N 
 ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R ^W^H^E^N^E^V^E^R ^P^O^S^S^I^B^L^E. 
  
  
 3.2.10 WORKING STORAGE AND BUFFERS 
  
 T^H^I^S ^S^E^C^T^I^O^N ^O^F ^T^H^E ^P^R^O^G^R^A^M ^C^O^N^T^A^I^N^S ^W^O^R^K^I^N^G ^S^T^O^R^A^G^E ^A^N^D ^B^U^F^F^E^R 
 ^D^E^F^I^N^I^T^I^O^N^S ^T^H^A^T ^A^R^E ^N^O^T ^P^R^E^S^E^T ^W^I^T^H ^D^A^T^A.  (R^E^F^E^R ^T^O ^S^E^C^T^I^O^N 3.4.5) 
 U^S^E ^O^F EQU ^O^R BSSN ^I^S ^P^R^E^F^E^R^R^E^D ^T^O BSS ^S^I^N^C^E ^A^D^D^I^T^I^O^N^A^L ^C^O^D^E ^I^S ^N^O^T 
 ^A^D^D^E^D ^T^O ^T^H^E ^B^I^N^A^R^Y. 
  
 3.2.11 INITIALIZATION CODE 
  
 C^O^D^E ^W^H^I^C^H ^M^A^Y ^B^E ^O^V^E^R^L^A^Y^E^D ^A^F^T^E^R ^P^R^O^G^R^A^M ^I^N^I^T^I^A^L^I^Z^A^T^I^O^N ^I^S ^I^N^C^L^U^D^E^D 
 ^H^E^R^E.
  
  
1                                                           PAGE    28
  
  
 3.2.12 PROGRAM TERMINATION 
  
 A^L^L ^P^R^O^G^R^A^M^S ^E^N^D ^W^I^T^H ^A^N "END" ^S^T^A^T^E^M^E^N^T ^E^X^C^E^P^T ^C^O^M^M^O^N ^D^E^C^K^S ^W^H^I^C^H 
 ^E^N^D ^A^S ^F^O^L^L^O^W^S@D 
  
     1         11     18          30           (^C^O^L^U^M^N^S) 
     +---------+------+-----------+-----
  
               BASE   *           (^I^F ^A^P^P^L^I^C^A^B^L^E) 
               CODE   *           (^I^F ^A^P^P^L^I^C^A^B^L^E) 
      QUAL$    IF     -DEF,QUAL$
               QUAL   * 
      YYY      EQU    /XXXXXXX/YYY (^U^N^Q^U^A^L^I^F^I^E^D ^E^N^T^R^Y ^P^O^I^N^T) 
               .
               .
               .
      QUAL$    ENDIF
      XXX      ENDX 
  
 I^F "CODE ^X" ^I^S ^U^S^E^D ^A^T ^T^H^E ^B^E^G^I^N^N^I^N^G ^B^U^T "CODE *" ^I^S ^N^O^T ^U^S^E^D ^A^T ^T^H^E
 ^E^N^D ^O^F ^A ^C^O^M^M^O^N ^D^E^C^K, ^I^T ^M^U^S^T ^B^E ^E^X^P^L^I^C^I^T^L^Y ^D^O^C^U^M^E^N^T^E^D ^I^N ^T^H^E ^C^O^M^M^O^N
 ^D^E^C^K ^H^E^A^D^E^R. 
  
 I^F ^T^H^E ^M^A^I^N ^L^I^S^T^I^N^G ^T^I^T^L^E ^H^A^S ^B^E^E^N ^C^H^A^N^G^E^D ^B^Y ^U^S^E ^O^F ^A^N IDENT ^O^R TTL
 ^L^I^N^E, ^T^H^E ^M^A^I^N ^T^I^T^L^E ^M^U^S^T ^B^E ^R^E^S^T^O^R^E^D ^W^I^T^H ^A TTL ^L^I^N^E ^J^U^S^T ^B^E^F^O^R^E 
 ^T^H^E END ^L^I^N^E ^T^O ^P^R^O^V^I^D^E ^T^H^E ^C^O^R^R^E^C^T ^T^I^T^L^E ^O^N ^T^H^E ^S^Y^M^B^O^L^I^C ^R^E^F^E^R^E^N^C^E 
 ^T^A^B^L^E.
  
  
 3.3 INSTRUCTION USE, FORMAT, AND PARAMETERS
  
  
 3.3.1 REGISTER USE AND SPECIFICATION 
  
  
 3.3.1.1 B0 REGISTER USE
  
 T^H^E B0 ^R^E^G^I^S^T^E^R ^S^H^O^U^L^D ^N^O^T ^B^E ^S^P^E^C^I^F^I^E^D ^I^N ^I^N^S^T^R^U^C^T^I^O^N^S ^W^H^I^C^H ^T^E^S^T B
 ^R^E^G^I^S^T^E^R^S.  T^H^E ^A^S^S^E^M^B^L^E^R ^A^S^S^U^M^E^S B0 ^I^F ^T^H^E ^R^E^Q^U^I^S^I^T^E ^N^U^M^B^E^R ^O^F B 
 ^R^E^G^I^S^T^E^R^S ^I^S ^N^O^T ^S^P^E^C^I^F^I^E^D. 
  
  
 3.3.1.2 B1 REGISTER USE
  
 T^H^E B1 ^R^E^G^I^S^T^E^R ^M^U^S^T ^A^L^W^A^Y^S ^C^O^N^T^A^I^N ^T^H^E ^V^A^L^U^E ^O^N^E (1).  T^H^E "SYSCOM
 B1" ^M^A^C^R^O ^I^S ^I^N^C^L^U^D^E^D ^I^N ^E^A^C^H ^P^R^O^G^R^A^M ^T^O ^I^N^D^I^C^A^T^E ^T^H^A^T B1 ^W^I^L^L 
 ^C^O^N^T^A^I^N ^T^H^I^S ^V^A^L^U^E.  B1 ^M^U^S^T ^B^E ^S^E^T ^T^O 1 ^I^M^M^E^D^I^A^T^E^L^Y ^U^P^O^N ^P^R^O^G^R^A^M 
 ^E^N^T^R^Y.  B1 ^I^S ^T^H^E^N ^U^S^E^D ^B^Y COMPASS ^I^N ^C^O^N^J^U^N^C^T^I^O^N ^W^I^T^H ^T^H^E R= ^P^S^U^E^D^O
 ^I^N^S^T^R^U^C^T^I^O^N ^T^O ^G^E^N^E^R^A^T^E 15 ^B^I^T ^I^N^S^T^R^U^C^T^I^O^N^S ^R^A^T^H^E^R ^T^H^A^N 30 ^B^I^T
 ^I^N^S^T^R^U^C^T^I^O^N^S.
  
1                                                           PAGE    29
  
  
 I^T ^S^H^O^U^L^D ^B^E ^A^S^S^U^M^E^D ^T^H^A^T ^C^A^L^L^S ^T^O ^E^X^T^E^R^N^A^L ^E^N^T^R^Y ^P^O^I^N^T^S ^W^H^I^C^H ^M^A^Y 
 ^B^E ^L^O^A^D^E^D ^F^R^O^M ^A^N ^E^X^T^E^R^N^A^L ^S^O^U^R^C^E ^D^E^S^T^R^O^Y B1.  T^H^E^R^E^F^O^R^E, B1 ^S^H^O^U^L^D 
 ^B^E ^R^E^S^E^T ^T^O ^O^N^E ^A^F^T^E^R ^T^H^E^S^E ^C^A^L^L^S.
  
  
 3.3.1.3 PACK AND NOMINAL SHIFT X REGISTERS 
  
 I^N ^T^H^E P^A^C^K ^A^N^D N^O^M^I^N^A^L S^H^I^F^T ^I^N^S^T^R^U^C^T^I^O^N^S, ^T^H^E X ^R^E^G^I^S^T^E^R ^I^S 
 ^S^P^E^C^I^F^I^E^D ^B^E^F^O^R^E ^T^H^E B ^R^E^G^I^S^T^E^R, ^A^S ^F^O^L^L^O^W^S@D 
  
               PX^I    X^K,B^J
  
               LX^I    X^K,B^J
  
  
 3.3.1.4  UNPACK AND NORMALIZE X REGISTERS
  
 I^N ^T^H^E U^N^P^A^C^K ^A^N^D N^O^R^M^A^L^I^Z^E ^I^N^S^T^R^U^C^T^I^O^N^S, ^T^H^E B ^R^E^G^I^S^T^E^R ^I^S 
 ^S^P^E^C^I^F^I^E^D ^I^N ^T^H^E ^O^P^C^O^D^E ^F^I^E^L^D ^I^M^M^E^D^I^A^T^E^L^Y ^F^O^L^L^O^W^I^N^G ^T^H^E ^O^P^C^O^D^E.
  
               UX^I,B^J X^K 
  
               NX^I,B^J X^K 
  
  
 3.3.2 MULTIPLE LOGICAL TESTS 
  
 W^H^E^N ^A PP ^P^R^O^G^R^A^M ^T^E^S^T^S ^A ^V^A^L^U^E ^I^N ^T^H^E A-^R^E^G^I^S^T^E^R ^F^O^R ^E^Q^U^A^L^I^T^Y ^W^I^T^H
 ^S^E^V^E^R^A^L ^P^O^S^S^I^B^L^E ^V^A^L^U^E^S, ^I^T ^M^A^Y ^B^E ^D^O^N^E ^W^I^T^H ^A ^S^E^Q^U^E^N^C^E ^O^F ^L^O^G^I^C^A^L 
 ^D^I^F^F^E^R^E^N^C^E (^E^X^C^L^U^S^I^V^E "^O^R") ^O^P^E^R^A^T^I^O^N^S, ^A^S ^F^O^L^L^O^W^S@D 
  
               LMC    AA
               ZJN    XYZ12       IF TYPE AA
               LMC    BB@BAA
               ZJN    XYZ24       IF TYPE BB
               LMC    CC@BBB
               ZJN    XYZ36       IF TYPE CC
  
 T^H^E ^V^A^L^U^E ^B^E^I^N^G ^T^E^S^T^E^D ^I^S ^S^P^E^C^I^F^I^E^D ^F^I^R^S^T ^I^N ^T^H^E LMC. 
  
 A^L^T^E^R^N^A^T^I^V^E^L^Y, ^A ^T^A^B^L^E ^L^O^O^K-^U^P ^M^A^Y ^B^E ^M^O^R^E ^E^F^F^I^C^I^E^N^T.
  
  
 3.3.3 SHIFT INSTRUCTION PARAMETERS 
  
 S^H^I^F^T ^C^O^U^N^T^S ^I^N ^S^H^I^F^T ^I^N^S^T^R^U^C^T^I^O^N^S ^W^H^I^C^H ^A^R^E ^U^S^E^D ^T^O ^T^E^S^T ^B^I^T^S, ^A^R^E
 ^C^O^D^E^D ^I^N ^O^N^E ^O^F ^T^H^E ^F^O^L^L^O^W^I^N^G ^F^O^R^M^S@D 
  
                      A-B            (^F^I^R^S^T ^S^H^I^F^T ^O^F ^A ^W^O^R^D) 
  
                      A-B-AA+BB+M    (^N^E^X^T ^S^H^I^F^T ^O^F ^T^H^E ^W^O^R^D) 
  
1                                                           PAGE    30
  
  
 W^H^E^R^E@D
  
     A    =    T^H^E ^D^E^S^I^R^E^D ^P^O^S^I^T^I^O^N ^O^F ^A ^B^I^T ^I^N ^T^H^E ^W^O^R^D. 
     B    =    T^H^E ^O^R^I^G^I^N^A^L ^P^O^S^I^T^I^O^N ^O^F ^A ^B^I^T ^I^N ^T^H^E ^W^O^R^D (^B^E^F^O^R^E ^A^N^Y 
               ^S^H^I^F^T^S). 
     AA,BB=    T^H^E    A ^A^N^D B ^P^A^R^A^M^E^T^E^R^S ^F^R^O^M ^T^H^E ^P^R^E^V^I^O^U^S ^S^H^I^F^T ^O^F
                      ^T^H^I^S ^W^O^R^D.
     M    =    M^O^D^U^L^U^S ^V^A^L^U^E 
  
 N^O^T^E@D    T^H^E ^M^O^D^U^L^U^S ^V^A^L^U^E^S (60 ^F^O^R CPU ^A^N^D 22B ^F^O^R PP) ^M^A^Y ^H^A^V^E ^T^O 
          ^B^E ^A^D^D^E^D ^T^O ^T^H^E ^S^H^I^F^T ^V^A^L^U^E ^I^F ^T^H^E ^R^E^S^U^L^T^I^N^G ^V^A^L^U^E ^I^S ^N^O^T 
          ^W^I^T^H^I^N ^T^H^E ^L^E^G^A^L ^L^I^M^I^T^S ^F^O^R ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N. 
  
 E^X^A^M^P^L^E@D
  
 1.  T^O ^S^H^I^F^T ^B^I^T 47 ^T^O ^B^I^T 59@D
  
               LX^I    59-47
  
 2.  T^O ^S^H^I^F^T ^T^H^E ^R^E^S^U^L^T ^O^F ^E^X^A^M^P^L^E 1 ^S^O ^T^H^A^T ^B^I^T 32 ^O^F ^T^H^E ^O^R^I^G^I^N^A^L
     ^R^E^G^I^S^T^E^R (^B^E^F^O^R^E ^A^N^Y ^S^H^I^F^T^S) ^I^S ^I^N ^B^I^T 59 ^O^F ^T^H^E ^R^E^S^U^L^T@D 
  
               LX^I    59-32-59+47
  
 3.  T^O ^S^H^I^F^T ^T^H^E ^R^E^S^U^L^T ^O^F ^E^X^A^M^P^L^E 2 ^S^O ^T^H^A^T ^B^I^T 58 ^O^F ^T^H^E ^O^R^I^G^I^N^A^L
     ^R^E^G^I^S^T^E^R (^B^E^F^O^R^E ^A^N^Y ^S^H^I^F^T^S) ^I^S ^I^N ^B^I^T 59 ^O^F ^T^H^E ^R^E^S^U^L^T@D 
  
               LX^I    59-58-59+32
  
 E^X^A^M^P^L^E@D
  
 1.  T^O ^S^H^I^F^T ^B^I^T 2 ^T^O ^B^I^T 21B@D
  
               SHN    21-2
  
 2.  T^O ^S^H^I^F^T ^T^H^E ^R^E^S^U^L^T ^O^F ^E^X^A^M^P^L^E 1 ^S^O ^T^H^A^T ^B^I^T 5 ^O^F ^T^H^E ^O^R^I^G^I^N^A^L 
     ^R^E^G^I^S^T^E^R (^B^E^F^O^R^E ^A^N^Y ^S^H^I^F^T) ^I^S ^I^N ^B^I^T 21 ^O^F ^T^H^E ^R^E^S^U^L^T@D 
  
               SHN    21-5-21+2+22
  
 A ^M^O^D^U^L^U^S ^O^F 22B ^I^S ^N^E^E^D^E^D ^I^N ^T^H^I^S ^C^A^S^E ^T^O ^A^V^O^I^D ^E^X^E^C^U^T^I^N^G ^A ^R^I^G^H^T
 ^S^H^I^F^T (^I^E.  T^H^E ^R^E^S^U^L^T^A^N^T ^S^H^I^F^T ^W^O^U^L^D ^O^T^H^E^R^W^I^S^E ^B^E ^N^E^G^A^T^I^V^E.) 
  
  
1                                                           PAGE    31
  
  
 3.3.4 BOOLEAN MASK USAGE 
  
 T^H^E ^M^A^S^K ^C^R^E^A^T^E^D ^F^O^R ^U^S^E ^I^N ^B^O^O^L^E^A^N ^I^N^S^T^R^U^C^T^I^O^N^S ^D^E^P^E^N^D^S ^O^N ^W^H^E^T^H^E^R
 ^T^H^E ^F^I^E^L^D ^O^F ^B^I^T^S ^T^O ^B^E ^E^X^T^R^A^C^T^E^D ^I^S ^I^N ^T^H^E ^L^E^F^T ^O^R ^R^I^G^H^T ^H^A^N^D ^P^A^R^T 
 ^O^F ^T^H^E ^W^O^R^D.  I^F ^T^H^E ^F^I^E^L^D ^O^F ^N ^B^I^T^S ^I^S ^I^N ^T^H^E ^L^E^F^T ^H^A^N^D ^P^A^R^T ^O^F ^T^H^E
 ^W^O^R^D, ^U^S^E ^T^H^E ^F^O^L^L^O^W^I^N^G ^M^E^T^H^O^D@D
  
               MX^I    ^N 
               BX^J    X^I*X^K (X^J ^C^O^N^T^A^I^N^S ^T^H^E ^E^X^T^R^A^C^T^E^D ^F^I^E^L^D)
  
 I^F ^T^H^E ^F^I^E^L^D ^O^F ^N ^B^I^T^S ^I^S ^I^N ^T^H^E ^R^I^G^H^T ^H^A^N^D ^P^A^R^T ^O^F ^T^H^E ^W^O^R^D, ^T^H^E
 ^F^O^L^L^O^W^I^N^G ^M^E^T^H^O^D ^I^S ^U^S^E^D@D
  
               MX^I    -^N
               BX^J    -X^I*X^K (X^J ^C^O^N^T^A^I^N^S ^T^H^E ^E^X^T^R^A^C^T^E^D ^F^I^E^L^D) 
  
 I^F ^T^H^E ^M^A^S^K ^I^S ^U^S^E^D ^I^N ^M^O^R^E ^T^H^A^N ^O^N^E ^W^A^Y, ^T^H^E ^F^I^R^S^T ^U^S^E ^D^E^T^E^R^M^I^N^E^S
 ^H^O^W ^I^T ^I^S ^D^E^F^I^N^E^D. 
  
  
 3.3.5 RELATIVE ADDRESSING
  
 R^E^L^A^T^I^V^E ^A^D^D^R^E^S^S^I^N^G (^S^U^C^H ^A^S *+^N ^A^N^D *-^N, ^W^H^E^R^E ^N ^I^S ^A ^N^U^M^E^R^I^C 
 ^V^A^L^U^E) ^S^H^O^U^L^D ^N^O^T ^B^E ^U^S^E^D ^E^X^C^E^P^T@D 
  
 1.  I^N ^T^I^M^I^N^G ^D^E^L^A^Y^S (^W^H^E^R^E *-1 ^I^S ^T^H^E ^O^N^L^Y ^A^C^C^E^P^T^A^B^L^E ^V^A^L^U^E). 
 2.  F^O^R ^I^N^S^T^R^U^C^T^I^O^N ^M^O^D^I^F^I^C^A^T^I^O^N (^W^H^E^R^E *-1 ^O^R *-2 ^A^R^E ^T^H^E ^O^N^L^Y
     ^A^C^C^E^P^T^A^B^L^E ^V^A^L^U^E^S).
 3.  I^N PP ^C^O^D^E ^T^O ^R^E^F^E^R^E^N^C^E ^B^Y^T^E^S ^W^I^T^H^I^N ^A CPU ^W^O^R^D.  T^H^E ^R^E^L^A^T^I^V^E 
     ^A^D^D^R^E^S^S ^M^U^S^T ^B^E ^I^N ^O^N^E ^O^F ^T^H^E ^F^O^L^L^O^W^I^N^G ^F^O^R^M^S@D 
  
                      ^T^A^G+^N 
                      ^T^A^G+^C*5+^N
  
  ^W^H^E^R^E@D
  
     ^T^A^G = ^B^A^S^E ^A^D^D^R^E^S^S 
     ^C = CM ^W^O^R^D ^W^I^T^H^I^N ^T^H^E PP ^B^U^F^F^E^R 
     ^N = ^B^Y^T^E ^W^I^T^H^I^N ^T^H^E CM ^W^O^R^D (0 - 4)
  
  
 3.3.6 JUMP INSTRUCTION USE 
  
 U^N^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P^S ^I^N CPU ^C^O^D^E ^A^R^E ^C^O^D^E^D ^U^S^I^N^G ^T^H^E EQ ^I^N^S^T^R^U^C^T^I^O^N 
 ^S^O ^T^H^A^T ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^S^T^A^C^K ^I^S ^N^O^T ^V^O^I^D^E^D.  W^H^E^N ^I^T ^I^S ^N^E^C^E^S^S^A^R^Y 
 ^T^O ^V^O^I^D ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^S^T^A^C^K ^T^H^E RJ ^I^N^S^T^R^U^C^T^I^O^N ^I^S ^U^S^E^D.  (T^H^E RJ
 ^I^S ^T^H^E ^O^N^L^Y ^I^N^S^T^R^U^C^T^I^O^N ^W^H^I^C^H ^V^O^I^D^S ^T^H^E ^S^T^A^C^K ^O^N ^A^L^L ^C^E^N^T^R^A^L 
 ^P^R^O^C^E^S^S^O^R^S.) 
  
 PP ^J^U^M^P ^M^A^C^R^O^S MJP, NJP, PJP, UJP, ZJP ^C^A^N ^B^E ^U^S^E^D ^T^O ^A^S^S^E^M^B^L^E ^S^H^O^R^T 
 ^O^R ^L^O^N^G ^J^U^M^P ^A^S ^N^E^E^D^E^D; ^H^O^W^E^V^E^R, ^T^H^E^S^E ^M^A^C^R^O^S ^S^H^O^U^L^D ^B^E ^A^V^O^I^D^E^D ^W^H^E^N
 ^B^R^A^N^C^H^I^N^G ^F^O^R^W^A^R^D ^S^I^N^C^E ^A ^L^O^N^G ^J^U^M^P ^S^E^Q^U^E^N^C^E ^I^S ^A^L^W^A^Y^S ^G^E^N^E^R^A^T^E^D ^I^F 
 ^T^H^E ^J^U^M^P ^A^D^D^R^E^S^S ^H^A^S ^N^O^T ^Y^E^T ^B^E^E^N ^D^E^F^I^N^E^D ^O^N ^P^A^S^S 1 ^O^F ^T^H^E ^A^S^S^E^M^B^L^Y.
  
1                                                           PAGE    32
  
  
 A ^B^L^A^N^K ^L^I^N^E ^I^S ^I^N^S^E^R^T^E^D ^A^F^T^E^R ^E^A^C^H ^U^N^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P ^I^N^S^T^R^U^C^T^I^O^N 
 ^T^O ^I^N^D^I^C^A^T^E ^A ^B^R^E^A^K ^I^N ^T^H^E ^P^R^O^G^R^A^M ^F^L^O^W.  I^F ^T^H^E ^U^N^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P 
 ^O^C^C^U^R^S ^A^T ^T^H^E ^E^N^D ^O^F ^A ^S^U^B^R^O^U^T^I^N^E, ^A SPACE ^L^I^N^E ^O^R TITLE ^L^I^N^E ^M^A^Y ^B^E
 ^U^S^E^D.
  
 A ^B^L^A^N^K ^L^I^N^E ^I^S ^A^L^S^O ^R^E^Q^U^I^R^E^D ^A^F^T^E^R ^A^N ^I^M^P^L^I^E^D ^U^N^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P. 
 T^H^E ^F^O^L^L^O^W^I^N^G ^A^R^E ^E^X^A^M^P^L^E^S ^O^F ^A^N ^I^M^P^L^I^E^D ^U^N^C^O^N^D^I^T^I^O^N^A^L ^J^U^M^P. 
  
 E^X^A^M^P^L^E@D
  
 A ^B^L^A^N^K ^L^I^N^E ^S^H^O^U^L^D ^B^E ^I^N^S^E^R^T^E^D ^A^F^T^E^R ^M^A^C^R^O ^C^A^L^L^S ^T^H^A^T ^B^R^E^A^K ^T^H^E 
 ^F^L^O^W ^O^F ^E^X^E^C^U^T^I^O^N ^I^N ^A ^S^E^Q^U^E^N^C^E ^O^F ^C^O^D^E. 
  
               .
               .
               .
               NZ     X1,^T^A^G2     IF ^C^O^M^M^E^N^T
               ABORT              TERMINATE 
               (^B^L^A^N^K ^L^I^N^E)
      ^T^A^G2     SA1    B2 
               .
               .
               .
  
 E^X^A^M^P^L^E@D
  
 W^H^E^N ^C^O^D^E ^O^C^C^U^R^S ^B^E^F^O^R^E ^T^H^E SUBR, ^T^H^E^R^E ^S^H^O^U^L^D ^B^E ^A ^B^L^A^N^K ^L^I^N^E
 ^B^E^T^W^E^E^N ^T^H^E ^C^O^D^E ^A^N^D ^T^H^E SUBR. 
  
      ^T^A^G2     LDN    0           ^C^O^M^M^E^N^T 
               (^B^L^A^N^K ^L^I^N^E)
      ^T^A^G      SUBR               ENTRY/EXIT 
               .
      ^T^A^G1     . 
               .
               UJN    ^T^A^GX        RETURN 
  
  
      ^T^A^GA     BSS    1           ^C^O^M^M^E^N^T 
  
 W^H^E^N ^S^T^O^R^A^G^E ^L^O^C^A^T^I^O^N^S ^F^O^R ^A ^S^U^B^R^O^U^T^I^N^E ^A^R^E ^D^E^F^I^N^E^D ^A^T ^T^H^E ^E^N^D ^O^F 
 ^T^H^E ^R^O^U^T^I^N^E, ^T^H^E^R^E ^S^H^O^U^L^D ^B^E 2 ^B^L^A^N^K ^L^I^N^E^S ^B^E^T^W^E^E^N ^T^H^E ^C^O^D^E ^A^N^D ^T^H^E 
 ^F^I^R^S^T ^D^A^T^A ^T^A^G.
  
 3.3.7 SUBROUTINE ENTRY 
  
 E^A^C^H ^S^U^B^R^O^U^T^I^N^E ^H^A^S ^O^N^E ^A^N^D ^O^N^L^Y ^O^N^E ^E^N^T^R^Y ^P^O^I^N^T.  E^X^C^E^P^T^I^O^N^S ^A^R^E 
 ^A^L^L^O^W^E^D ^A^S ^F^O^L^L^O^W^S@D 
  
      I^F ^M^E^M^O^R^Y ^L^I^M^I^T^A^T^I^O^N^S ^I^N ^A PP ^P^R^O^G^R^A^M ^M^A^K^E ^T^H^I^S ^I^M^P^R^A^C^T^I^C^A^L. 
  
      F^O^R ^T^E^R^M^I^N^A^T^I^O^N ^S^U^B^R^O^U^T^I^N^E^S (^S^U^C^H ^A^S ^E^R^R^O^R ^P^R^O^C^E^S^S^O^R^S).  E^A^C^H 
      ^E^N^T^R^Y ^P^O^I^N^T ^S^H^O^U^L^D ^B^E ^D^O^C^U^M^E^N^T^E^D ^W^I^T^H^I^N ^T^H^E ^S^U^B^R^O^U^T^I^N^E.
  
1                                                           PAGE    33
  
  
 PP ^A^N^D CPU ^S^U^B^R^O^U^T^I^N^E^S ^W^H^I^C^H ^A^R^E ^E^N^T^E^R^E^D ^V^I^A ^A ^R^E^T^U^R^N ^J^U^M^P ^C^O^N^T^A^I^N 
 ^T^H^E ^F^O^L^L^O^W^I^N^G ^I^N^S^T^R^U^C^T^I^O^N ^A^T ^T^H^E^I^R ^E^N^T^R^Y/^E^X^I^T ^P^O^I^N^T@D
  
      ^T^A^G      SUBR               ENTRY/EXIT 
               .
               .
               .
               UJN    ^T^A^GX        RETURN 
  
 ^O^R,
  
      ^T^A^G      SUBR               ENTRY/EXIT 
               .
               .
               .
               EQ     ^T^A^GX        RETURN 
  
  
 A ^S^U^B^R^O^U^T^I^N^E ^M^A^Y ^A^L^S^O ^C^O^N^S^I^S^T ^O^F ^A ^B^L^O^C^K ^O^F ^C^O^D^E ^T^H^A^T ^I^S ^E^N^T^E^R^E^D ^B^Y 
 ^A ^J^U^M^P ^I^N^S^T^R^U^C^T^I^O^N.  I^N ^T^H^I^S ^C^A^S^E, ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^E^N^T^R^Y ^P^O^I^N^T^S
 ^S^H^O^U^L^D ^B^E ^C^L^E^A^R^L^Y ^D^O^C^U^M^E^N^T^E^D ^U^S^I^N^G ^A BSS ^P^S^E^U^D^O-^I^N^S^T^R^U^C^T^I^O^N@D
  
      TAG      BSS    0           ENTRY 
               .
               .
               .
  
 S^U^B^R^O^U^T^I^N^E^S ^D^E^F^I^N^E^D ^W^I^T^H SUBR ^S^H^O^U^L^D ^B^E ^U^S^E^D ^F^O^R ^H^A^N^G^S ^A^N^D ^E^R^R^O^R
 ^P^R^O^C^E^S^S^O^R^S ^S^O ^T^H^E RJ/RJM ^F^O^R CP/PP ^C^O^D^E ^L^E^A^V^E^S ^A ^T^R^A^C^E ^O^F ^T^H^E 
 ^C^A^L^L^E^R, ^E^V^E^N ^T^H^O^U^G^H ^R^E^T^U^R^N ^T^O ^T^H^E ^C^A^L^L^E^R ^I^S ^N^O^T ^U^S^E^D.  PP'^S ^S^H^O^U^L^D
 ^W^R^I^T^E ^T^H^E ^C^A^L^L^E^R'^S ^A^D^D^R^E^S^S ^A^N^D ^O^T^H^E^R ^P^E^R^T^I^N^E^N^T ^I^N^F^O^R^M^A^T^I^O^N ^I^N ^T^H^E PP
 ^O^U^T^P^U^T ^R^E^G^I^S^T^E^R ^O^R ^M^E^S^S^A^G^E ^B^U^F^F^E^R (^S^P^A^C^E ^P^E^R^M^I^T^T^I^N^G) ^B^E^F^O^R^E ^I^S^S^U^I^N^G 
 ^A HNGM ^M^O^N^I^T^O^R ^F^U^N^C^T^I^O^N. 
  
 3.3.8 CPU CODE OPTIMIZATION
  
 A^N ^E^F^F^O^R^T ^S^H^O^U^L^D ^B^E ^M^A^D^E ^T^O ^A^V^O^I^D ^T^H^E ^G^E^N^E^R^A^T^I^O^N ^O^F NO-OP^S ^A^T ^T^H^E 
 ^E^N^D ^O^F ^A 60-^B^I^T ^W^O^R^D.  T^H^I^S ^M^A^Y ^B^E ^D^O^N^E ^B^Y ^A^R^R^A^N^G^E^M^E^N^T ^O^F ^C^O^D^E ^S^O
 ^T^H^A^T ^E^A^C^H 60-^B^I^T ^W^O^R^D ^I^S ^C^O^M^P^L^E^T^E^L^Y ^F^I^L^L^E^D ^W^I^T^H ^E^X^E^C^U^T^A^B^L^E ^C^O^D^E.
 T^H^I^S ^I^S ^A^L^S^O ^D^O^N^E ^F^O^R ^I^N^S^T^R^U^C^T^I^O^N^S ^W^H^I^C^H ^H^A^V^E ^A^N ^O^P^T^I^O^N^A^L "^K"
 ^P^A^R^A^M^E^T^E^R ^B^Y ^S^U^P^P^L^Y^I^N^G ^A ^Z^E^R^O ^V^A^L^U^E ^F^O^R "^K", ^T^H^U^S ^G^E^N^E^R^A^T^I^N^G ^A 30-
 ^B^I^T ^I^N^S^T^R^U^C^T^I^O^N ^I^N^S^T^E^A^D ^O^F ^A 15-^B^I^T ^I^N^S^T^R^U^C^T^I^O^N.  T^H^E ^W^A^Y ^T^O ^D^O ^T^H^I^S
 ^I^S ^T^O ^A^P^P^E^N^D ^A "+" ^T^O ^T^H^E ^R^E^G^I^S^T^E^R ^I^N ^T^H^E ^V^A^R^I^A^B^L^E ^F^I^E^L^D ^O^F
 ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N, ^A^S ^S^H^O^W^N ^B^E^L^O^W@D
  
               SA4    A1+   (G^E^N^E^R^A^T^E^S 30-^B^I^T ^I^N^S^T^R^U^C^T^I^O^N)
  
 T^H^I^S ^I^N^D^I^C^A^T^E^S ^T^H^A^T ^T^H^E ^P^A^D^D^I^N^G ^W^A^S ^A^D^D^E^D ^F^O^R ^O^P^T^I^M^I^Z^A^T^I^O^N ^P^U^R^P^O^S^E^S 
 ^A^N^D ^M^A^Y ^B^E ^R^E^M^O^V^E^D ^A^S ^N^E^C^E^S^S^A^R^Y ^W^H^E^N ^T^H^E ^C^O^D^E ^I^S ^M^O^D^I^F^I^E^D.
1                                                           PAGE    34
  
  
 W^H^E^N ^I^N^I^T^I^A^L^I^Z^I^N^G ^A^N X ^R^E^G^I^S^T^E^R ^T^O ^Z^E^R^O, ^A 
  
               SX^I    B0+
  
 ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^F ^A 30 ^B^I^T ^I^N^S^T^R^U^C^T^I^O^N ^P^A^C^K^S ^B^E^T^T^E^R. 
  
 I^F ^A 15 ^B^I^T ^I^N^S^T^R^U^C^T^I^O^N ^P^A^C^K^S ^B^E^T^T^E^R, 
  
               BX^I    X^I-X^I
  
 ^I^S ^P^R^E^F^E^R^R^E^D; ^B^U^T ^F^O^R ^E^F^F^I^C^I^E^N^C^Y
  
               SX^I    B0 
               MX^I    0
  
 ^A^L^S^O ^M^A^Y ^B^E ^U^S^E^D ^I^N^T^E^R^C^H^A^N^G^E^A^B^L^Y.
  
  
 3.3.9 CLEARING PP MEMORY 
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^C^O^D^I^N^G ^S^E^Q^U^E^N^C^E ^I^S ^U^S^E^D ^T^O ^C^L^E^A^R 5 ^C^O^N^S^E^C^U^T^I^V^E ^W^O^R^D^S 
 ^O^F PP ^M^E^M^O^R^Y ^T^O ^Z^E^R^O^E^S@D 
  
               LDN    ZERL
               CRD    ^T^A^G
  
 T^H^E ^C^O^N^S^T^A^N^T ZERL ^S^H^O^U^L^D ^N^O^T ^B^E ^A^S^S^U^M^E^D ^T^O ^B^E ^A^T ^A^D^D^R^E^S^S ^A^B^S^O^L^U^T^E 
 ^Z^E^R^O ^I^N ^M^E^M^O^R^Y.
  
  
 3.3.10 INSTRUCTION MODIFICATION
  
 I^N^S^T^R^U^C^T^I^O^N ^M^O^D^I^F^I^C^A^T^I^O^N ^G^R^E^A^T^L^Y ^I^N^C^R^E^A^S^E^S ^T^H^E ^C^O^M^P^L^E^X^I^T^Y ^O^F ^C^O^D^E 
 ^A^N^D ^I^S ^A ^R^E^L^I^A^B^L^E ^S^O^U^R^C^E ^O^F ^P^R^O^G^R^A^M ^E^R^R^O^R^S.  I^T ^I^S ^A ^P^R^A^C^T^I^C^E ^T^O ^B^E 
 ^A^V^O^I^D^E^D ^W^H^E^R^E^V^E^R ^P^O^S^S^I^B^L^E.  T^H^E ^S^O^L^E ^J^U^S^T^I^F^I^C^A^T^I^O^N ^F^O^R ^I^N^S^T^R^U^C^T^I^O^N 
 ^M^O^D^I^F^I^C^A^T^I^O^N ^I^S ^O^V^E^R^W^H^E^L^M^I^N^G ^S^P^A^C^E ^O^R ^T^I^M^E-^C^R^I^T^I^C^A^L ^C^O^N^S^T^R^A^I^N^T, ^S^U^C^H
 ^A^S ^A ^C^R^O^W^D^E^D PP, ^A^N ^I^N-^S^T^A^C^K ^L^O^O^P, ^O^R ^A ^H^A^R^D^W^A^R^E ^D^R^I^V^E^R.  I^T ^I^S 
 ^P^A^R^T^I^C^U^L^A^R^L^Y ^I^M^P^O^R^T^A^N^T ^T^H^A^T ^O^N^E ^R^O^U^T^I^N^E ^M^O^D^I^F^Y^I^N^G ^T^H^E ^C^O^N^T^E^N^T^S ^O^F 
 ^A^N^O^T^H^E^R ^R^O^U^T^I^N^E ^B^E ^A^V^O^I^D^E^D.  I^T ^I^S ^F^A^R ^P^R^E^F^E^R^A^B^L^E ^T^O ^E^M^P^L^O^Y ^A ^G^L^O^B^A^L 
 ^V^A^R^I^A^B^L^E ^F^O^R ^C^O^M^M^U^N^I^C^A^T^I^O^N^S ^B^E^T^W^E^E^N ^R^O^U^T^I^N^E^S, ^E^V^E^N ^A^T ^T^H^E ^E^X^P^E^N^S^E ^O^F 
 ^S^O^M^E ^S^T^O^R^A^G^E. 
  
 W^H^E^R^E ^A ^R^O^U^T^I^N^E ^M^U^S^T ^M^O^D^I^F^Y ^C^O^D^E ^W^I^T^H^I^N ^A^N^O^T^H^E^R ^R^O^U^T^I^N^E, ^T^H^E
 ^M^O^D^I^F^I^E^D ^C^O^D^E ^M^U^S^T ^B^E ^D^O^C^U^M^E^N^T^E^D ^A^S ^A^N EXIT ^C^O^N^D^I^T^I^O^N ^F^R^O^M ^T^H^E ^F^I^R^S^T
 ^R^O^U^T^I^N^E ^A^N^D ^A^N ENTRY ^C^O^N^D^I^T^I^O^N ^T^O ^T^H^E ^S^E^C^O^N^D.
  
 D^A^T^A ^L^O^C^A^T^I^O^N^S ^I^M^B^E^D^D^E^D ^W^I^T^H^I^N ^A ^R^O^U^T^I^N^E ^A^N^D ^R^E^F^E^R^E^N^C^E^D ^B^Y ^M^O^R^E ^T^H^A^N
 ^O^N^E ^R^O^U^T^I^N^E ^S^H^O^U^L^D ^B^E ^A^S^S^I^G^N^E^D ^D^E^S^C^R^I^P^T^I^V^E, ^G^L^O^B^A^L ^V^A^R^I^A^B^L^E ^S^Y^M^B^O^L^S
 (^T^H^I^S ^I^S ^A^N ^E^X^C^E^P^T^I^O^N ^T^O ^T^H^E ^S^T^A^N^D^A^R^D ^F^O^R ^T^H^E ^N^A^M^I^N^G ^O^F ^D^A^T^A 
 ^L^O^C^A^T^I^O^N^S ^W^I^T^H^I^N ^A ^R^O^U^T^I^N^E).  T^H^I^S ^W^I^L^L ^S^O^M^E^W^H^A^T ^D^E^C^R^E^A^S^E ^T^H^E 
 ^C^H^A^N^C^E^S ^O^F ^E^R^R^O^R ^A^R^I^S^I^N^G ^F^R^O^M ^T^H^E^I^R ^U^S^E.
  
1                                                           PAGE    35
  
  
 I^N^S^T^R^U^C^T^I^O^N^S ^W^H^I^C^H ^M^U^S^T ^B^E ^M^O^D^I^F^I^E^D ^A^R^E ^T^O ^B^E ^F^O^L^L^O^W^E^D ^B^Y ^A ^C^O^M^M^E^N^T 
 ^W^H^I^C^H ^S^H^O^W^S ^E^A^C^H ^A^L^T^E^R^N^A^T^I^V^E ^F^O^R^M ^U^N^D^E^R ^W^H^I^C^H ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^C^A^N
 ^T^A^K^E.  T^H^E ^F^O^L^L^O^W^I^N^G ^E^X^A^M^P^L^E^S ^S^H^O^W ^T^H^E ^L^A^Y^O^U^T ^U^S^E^D@D 
  
 E^X^A^M^P^L^E@D
  
      ^T^A^G      LDC    TRCO        SET READ FUNCTION
     *         LDC    TWTO        (WRITE FUNCTION)
     *         LDC    TFCN        (POSITION FUNCTION) 
      ^T^A^GA     EQU    *-1
  
 E^X^A^M^P^L^E@D
  
      ^T^A^GA     LDC    *           RESTORE (T1) 
     *         LDC    (T1)        (CONTENTS OF T1)
               STD    T1
  
 T^H^E ^C^O^M^M^E^N^T ^I^N ( ) ^S^H^O^U^L^D ^D^E^S^C^R^I^B^E ^T^H^E ^C^O^N^D^I^T^I^O^N^S ^U^N^D^E^R ^W^H^I^C^H ^T^H^E 
 ^I^N^S^T^R^U^C^T^I^O^N ^I^S ^C^H^A^N^G^E^D.
  
 I^N CPU ^C^O^D^E, ^C^A^R^E ^M^U^S^T ^B^E ^T^A^K^E^N ^T^O ^I^N^S^U^R^E ^T^H^A^T ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^B^E^I^N^G
 ^M^O^D^I^F^I^E^D ^I^S ^N^O^T ^A^L^R^E^A^D^Y ^I^N ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^S^T^A^C^K.  S^I^N^C^E ^T^H^E ^O^N^L^Y
 ^W^A^Y ^T^O ^G^U^A^R^A^N^T^E^E ^T^H^I^S ^F^O^R ^A^L^L ^M^A^I^N^F^R^A^M^E^S ^I^S ^T^O ^P^E^R^F^O^R^M ^A^N RJ
 ^I^N^S^T^R^U^C^T^I^O^N, ^A^N^Y CPU ^P^R^O^G^R^A^M ^T^H^A^T ^D^O^E^S ^C^O^D^E ^M^O^D^I^F^I^C^A^T^I^O^N ^M^U^S^T ^H^A^V^E
 ^A^T ^L^E^A^S^T ^O^N^E RJ ^I^N^S^T^R^U^C^T^I^O^N ^B^E^T^W^E^E^N ^T^H^E ^M^O^D^I^F^I^C^A^T^I^O^N ^A^N^D ^T^H^E
 ^E^X^E^C^U^T^I^O^N ^O^F ^T^H^E ^C^O^D^E.  T^H^I^S RJ ^M^A^Y ^B^E ^A ^C^A^L^L ^T^O ^A ^D^U^M^M^Y ^S^U^B^R^O^U^T^I^N^E,
 ^O^R ^T^O ^A "^N^O^R^M^A^L" ^O^N^E; ^I^F ^A ^C^A^L^L ^T^O ^A ^N^O^R^M^A^L ^S^U^B^R^O^U^T^I^N^E ^I^S ^A^L^S^O ^B^E^I^N^G
 ^U^S^E^D ^T^O ^V^O^I^D ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^S^T^A^C^K, ^T^H^E ^C^O^M^M^E^N^T ^O^N ^T^H^E RJ ^S^H^O^U^L^D 
 ^N^O^T^E ^T^H^A^T ^F^A^C^T.
  
 PP ^S^H^O^R^T ^J^U^M^P ^I^N^S^T^R^U^C^T^I^O^N^S ^W^H^I^C^H ^M^U^S^T ^B^E ^M^O^D^I^F^I^E^D ^A^R^E ^T^E^S^T^E^D ^F^O^R 
 ^R^A^N^G^E ^E^R^R^O^R^S.  T^H^E LOC ^P^S^E^U^D^O-^O^P ^I^S ^U^S^E^D ^A^N^D ^T^H^E ^J^U^M^P ^I^N^S^T^R^U^C^T^I^O^N ^I^S 
 ^A^C^T^U^A^L^L^Y ^A^S^S^E^M^B^L^E^D ^I^F ^T^H^E ^P^R^O^G^R^A^M ^S^I^Z^E ^I^S ^N^O^T ^A ^C^R^I^T^I^C^A^L ^F^A^C^T^O^R.
 F^O^R ^E^X^A^M^P^L^E@D 
  
               LDM    TAGB
               STM    TAGA
               .
      TAGA     MJN    TAG1        IF TIME NOT EXPIRED 
  *            UJN    TAG2        (ONE CPU ONLY)
               .
               .
      TAGB     BSS    O 
               LOC    TAGA
               UJN    TAG2        ^C^O^M^M^E^N^T
               LOC    *O
  
1                                                           PAGE    36
  
  
 W^H^E^N ^P^R^O^G^R^A^M ^S^I^Z^E ^I^S ^A ^C^O^N^S^T^R^A^I^N^I^N^G ^F^A^C^T^O^R ^A^N^D ^T^H^E ^T^A^G ^I^S ^T^O ^B^E
 ^M^O^D^I^F^I^E^D ^I^S ^P^R^E^V^I^O^U^S^L^Y ^D^E^F^I^N^E^D, ^T^H^E ISTORE M^A^C^R^O ^D^E^F^I^N^E^D ^I^N COMPMAC 
 ^S^H^O^U^L^D ^B^E ^U^S^E^D@D 
  
           ISTORE CADDR,(INSTR) 
  
 ^W^H^E^R^E  CADDR ^I^S ^T^H^E ^A^D^D^R^E^S^S ^O^F ^T^H^E ^C^O^D^E ^T^O ^B^E ^M^O^D^I^F^I^E^D,
 INSTR ^I^S ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N (^O^P ^C^O^D^E ^A^N^D ^A^D^D^R^E^S^S ^F^I^E^L^D) ^T^O ^B^E ^S^T^O^R^E^D.
  
 F^O^R ^E^X^A^M^P^L^E@D 
  
  TAGA     MJN    TAG1        IF TIME NOT EXPIRED 
 *         UJN    TAG2        (ONE CPU ONLY)
           .
           .
           .
           ISTORE TAGA,(UJN TAG2) 
  
 W^H^I^C^H ^G^E^N^E^R^A^T^E^S ^T^H^E ^F^O^L^L^O^W^I^N^G ^S^E^Q^U^E^N^C^E ^O^F ^I^N^S^T^R^U^C^T^I^O^N^S@D
  
           LDC    **
           ORG    *-1 
           LOC    TAGA
           UJN    TAG2
           LOC    *0
           STM    TAGA
  
 W^H^E^N ^P^R^O^G^R^A^M ^S^I^Z^E ^I^S ^A ^C^O^N^S^T^R^A^I^N^I^N^G ^F^A^C^T^O^R ^A^N^D ^T^H^E ^T^A^G ^T^O ^B^E 
 ^M^O^D^I^F^I^E^D ^H^A^S ^N^O^T ^Y^E^T ^B^E^E^N ^D^E^F^I^N^E^D, ^T^H^E ^J^U^M^P ^S^H^O^U^L^D ^B^E ^A^S^S^E^M^B^L^E^D ^A^S 
 ^P^A^R^T ^O^F ^A^N LDC ^I^N^S^T^R^U^C^T^I^O^N ^A^S ^F^O^L^L^O^W^S@D
  
           LDC     UJNI+TAG2-TAGA 
           STM     TAGA 
  
 I^N ^T^H^I^S ^C^A^S^E, ^T^H^E ERRNG ^P^S^U^E^D^O ^I^N^S^T^R^U^C^T^I^O^N ^M^U^S^T ^B^E ^U^S^E^D ^T^O ^T^E^S^T ^F^O^R
 ^R^A^N^G^E ^E^R^R^O^R^S ^A^S ^F^O^L^L^O^W^S@D
  
           ERRNG  37+^D^A^D^D^R-^J^A^D^D^R  (^C^O^M^M^E^N^T)
     ^O^R 
           ERRNG  37+^J^A^D^D^R-^D^A^D^D^R  (^C^O^M^M^E^N^T)
  
     (^D^E^P^E^N^D^I^N^G ^O^N ^W^H^E^T^H^E^R ^T^H^E ^J^U^M^P ^I^S ^A ^B^A^C^K^W^A^R^D ^O^R ^F^O^R^W^A^R^D ^J^U^M^P
     ^R^E^S^P^E^C^T^I^V^E^L^Y)
  
 W^H^E^R^E@D
     ^J^A^D^D^R     =^A^D^D^R^E^S^S ^O^F ^J^U^M^P ^I^N^S^T^R^U^C^T^I^O^N
     ^D^A^D^D^R     =^D^E^S^T^I^N^A^T^I^O^N ^A^D^D^R^E^S^S ^O^F ^J^U^M^P
  
 A^G^A^I^N, ^I^N^S^T^R^U^C^T^I^O^N ^M^O^D^I^F^I^C^A^T^I^O^N ^S^H^O^U^L^D ^B^E ^A^V^O^I^D^E^D ^I^N PP ^A^N^D CPU ^C^O^D^E
 ^W^H^E^N^E^V^E^R ^P^O^S^S^I^B^L^E. 
  
  
1                                                           PAGE    37
  
  
 3.3.11 COMMON DECK REGISTER USAGE
  
 CPU ^C^O^D^E ^W^I^T^H^I^N ^C^O^M^M^O^N ^D^E^C^K^S ^A^V^O^I^D^S ^U^S^I^N^G ^R^E^G^I^S^T^E^R^S A0, A5, X0 ^A^N^D 
 X5 ^U^N^L^E^S^S ^A^B^S^O^L^U^T^E^L^Y ^N^E^C^E^S^S^A^R^Y.  I^F ^T^H^E^S^E ^R^E^G^I^S^T^E^R^S ^M^U^S^T ^B^E ^U^S^E^D,
 ^T^H^E^Y ^S^H^O^U^L^D ^B^E ^R^E^S^T^O^R^E^D ^B^E^F^O^R^E ^E^X^I^T^I^N^G ^T^O ^T^H^E ^C^A^L^L^I^N^G ^R^O^U^T^I^N^E. 
  
  
 3.3.12  PP ADK, LDK, LMK, LPK, SBK M^A^C^R^O^S U^S^A^G^E 
  
 U^S^E ^O^F ADK, LDK, LMK, LPK, ^A^N^D SBK ^M^A^C^R^O^S ^D^E^F^I^N^E^D ^I^N COMPMAC ^A^R^E
 ^E^N^C^O^U^R^A^G^E^D, ^S^I^N^C^E ^T^H^E ^A^C^T^U^A^L ^I^N^S^T^R^U^C^T^I^O^N ^A^S^S^E^M^B^L^E^D ^W^I^L^L ^B^E ^A^D^J^U^S^T^E^D
 ^T^O ^A 0, 1, ^O^R 2 ^B^Y^T^E ^I^N^S^T^R^U^C^T^I^O^N ^A^S ^N^E^E^D^E^D, ^D^E^P^E^N^D^I^N^G ^O^N ^T^H^E ^T^A^G
 ^V^A^L^U^E^S ^I^N ^T^H^E ^O^P^E^R^A^N^D ^F^I^E^L^D.  I^F ^T^H^E ^O^P^E^R^A^N^D ^V^A^L^U^E ^R^E^D^U^C^E^S ^T^O ^Z^E^R^O,
 ^N^O ^I^N^S^T^R^U^C^T^I^O^N ^W^I^L^L ^B^E ^G^E^N^E^R^A^T^E^D (^E^X^C^E^P^T ^F^O^R LDK).  O^P^E^R^A^N^D^S ^T^O
 ^T^H^E^S^E ^M^A^C^R^O^S ^S^H^O^U^L^D ^N^O^T ^B^E ^N^U^M^E^R^I^C^S ^O^N^L^Y (^U^S^E^F^U^L^N^E^S^S ^F^O^R ^T^A^G^S ^I^S
 ^R^E^C^O^M^M^E^N^D^E^D).  B^E^C^A^U^S^E ^O^F ^T^H^E ^V^A^R^I^A^B^I^L^I^T^Y ^O^F ^T^H^E ^C^O^D^E ^G^E^N^E^R^A^T^E^D ^B^Y
 ^T^H^E^S^E ^I^N^S^T^R^U^C^T^I^O^N^S, ^T^H^I^S ^C^O^D^E ^S^H^O^U^L^D ^N^O^T ^B^E ^C^H^A^N^G^E^D ^B^Y ^I^N-^L^I^N^E ^C^O^D^E 
 ^M^O^D^I^F^I^C^A^T^I^O^N^S.
  
  
 3.4 DATA USE, FORMAT, AND PARAMETERS 
  
  
 3.4.1 LITERALS 
  
 L^I^T^E^R^A^L^S ^M^A^Y ^B^E ^U^S^E^D ^F^O^R ^R^E^A^D-^O^N^L^Y ^C^O^N^S^T^A^N^T^S ^O^N^L^Y.  E^R^R^O^R ^M^E^S^S^A^G^E 
 ^T^E^X^T ^S^H^O^U^L^D ^N^O^T ^B^E ^D^E^F^I^N^E^D ^A^S ^L^I^T^E^R^A^L^S, ^B^U^T ^R^A^T^H^E^R ^S^H^O^U^L^D ^B^E ^D^E^F^I^N^E^D 
 ^I^N ^D^A^T^A ^S^T^A^T^E^M^E^N^T^S (^P^R^E^F^E^R^A^B^L^Y ^I^N ^T^A^B^L^E^S). 
  
  
 3.4.2 DATA FORMATS 
  
 D^A^T^A ^I^S ^S^P^E^C^I^F^I^E^D ^I^N ^I^T^S ^N^A^T^U^R^A^L ^F^O^R^M (^R^E^A^D^A^B^L^E ^A^N^D ^U^N^D^E^R^S^T^A^N^D^A^B^L^E
 ^B^Y ^H^U^M^A^N^S) ^U^S^I^N^G ^P^O^S^T-^R^A^D^I^X ^S^Y^M^B^O^L^S ^A^S ^R^E^Q^U^I^R^E^D (^S^E^E ^S^E^C^T^I^O^N
 3.6.1).  I^F ^C^O^N^V^E^R^S^I^O^N ^C^O^N^S^I^D^E^R^A^T^I^O^N^S ^M^A^K^E ^T^H^I^S ^I^M^P^O^S^S^I^B^L^E, ^T^H^E
 ^C^O^M^M^E^N^T ^F^I^E^L^D ^W^I^L^L ^C^O^N^T^A^I^N ^T^H^E ^N^A^T^U^R^A^L ^F^O^R^M ^O^F ^T^H^E ^D^A^T^A.  O^C^T^A^L
 ^V^A^L^U^E^S ^A^R^E ^N^O^T ^U^S^E^D ^F^O^R ^C^H^A^R^A^C^T^E^R ^D^A^T^A ^U^N^L^E^S^S ^T^H^E ^D^A^T^A ^C^A^N^N^O^T ^B^E
 ^S^P^E^C^I^F^I^E^D ^I^N ^A^N^Y ^O^T^H^E^R ^W^A^Y.  W^H^E^N ^T^H^E VFD ^I^S ^U^S^E^D, ^I^T ^C^A^N^N^O^T 
 ^G^E^N^E^R^A^T^E ^M^O^R^E ^T^H^A^N ^O^N^E CM ^W^O^R^D ^O^F ^D^A^T^A. 
  
 I^F ^A ^D^A^T^A ^I^T^E^M ^D^O^E^S ^N^O^T ^R^E^Q^U^I^R^E ^A^N ^I^N^I^T^I^A^L ^V^A^L^U^E ^P^R^E^S^E^T ^A^T ^A^S^S^E^M^B^L^Y
 ^T^I^M^E, BSS ^S^H^O^U^L^D ^B^E ^U^S^E^D ^T^O ^R^E^S^E^R^V^E ^S^P^A^C^E ^R^A^T^H^E^R ^T^H^A^N CON. 
  
 O^N^L^Y ^O^N^E ^P^I^E^C^E ^O^F ^D^A^T^A ^I^S ^S^P^E^C^I^F^I^E^D ^O^N ^A ^L^I^N^E ^O^F ^C^O^D^E ^U^N^L^E^S^S ^A ^B^L^O^C^K
 ^O^F ^D^A^T^A ^I^S ^B^E^I^N^G ^S^P^E^C^I^F^I^E^D ^F^O^R ^U^S^E ^A^S ^A ^S^I^N^G^L^E ^D^A^T^A ^I^T^E^M ^T^O ^B^E
 ^R^E^F^E^R^E^N^C^E^D ^B^Y ^A ^S^I^N^G^L^E ^N^A^M^E.
  
  
1                                                           PAGE    38
  
  
 3.4.3 TABLE GENERATION 
  
 T^A^B^L^E^S ^W^H^I^C^H ^A^R^E ^G^E^N^E^R^A^T^E^D ^W^I^T^H ^E^N^T^R^Y ^O^R^D^I^N^A^L^S ^R^E^L^A^T^I^V^E ^T^O ^T^H^E ^B^A^S^E
 ^A^D^D^R^E^S^S ^O^F ^T^H^E ^T^A^B^L^E, ^S^H^O^U^L^D ^U^S^E ^T^H^E LOC ^P^S^E^U^D^O-^O^P ^A^S ^S^H^O^W^N ^I^N ^T^H^E
 ^F^O^L^L^O^W^I^N^G ^E^X^A^M^P^L^E@D
  
      TFCN     BSS    0           ^T^A^B^L^E ^E^N^T^R^Y 
               LOC    0 
               CON    RNM         ^F^I^R^S^T ^E^N^T^R^Y 
               CON    ACF         ^S^E^C^O^N^D ^E^N^T^R^Y 
               .
               .
               .
               CON    VSN         ^L^A^S^T ^E^N^T^R^Y 
               LOC    *O
      TFCNL    EQU    *-TFCN      ^T^A^B^L^E ^L^E^N^G^T^H (^O^P^T^I^O^N^A^L)
  
 W^H^E^R^E ^T^A^B^L^E^S ^A^R^E ^D^E^S^C^R^I^B^E^D, ^T^H^E^Y ^A^R^E ^D^E^F^I^N^E^D ^S^O ^T^H^E^Y ^C^A^N ^B^E 
 ^P^R^O^C^E^S^S^E^D ^B^Y ^T^H^E "D^O^C^U^M^E^N^T^A^T^I^O^N T^A^B^L^E G^E^N^E^R^A^T^O^R".  A ^D^E^S^C^R^I^P^T^I^O^N ^O^F 
 ^T^H^I^S ^F^O^R^M^A^T ^I^S ^F^O^U^N^D ^I^N ^T^H^E ^E^X^T^E^R^N^A^L ^D^O^C^U^M^E^N^T^A^T^I^O^N ^F^O^R ^T^H^E ^P^R^O^G^R^A^M 
 DOCMENT. 
  
  
 3.4.4 DIRECT CELL USE
  
 D^I^R^E^C^T ^C^E^L^L^S ^A^R^E ^D^E^F^I^N^E^D ^U^S^I^N^G ^O^N^E ^O^F ^T^H^E ^F^O^L^L^O^W^I^N^G ^M^E^T^H^O^D^S@D 
  
 1.  A ^S^I^N^G^L^E ^C^E^L^L@D
  
      ^X^X       EQU    ^N           ^D^E^S^C^R^I^P^T^I^O^N 
  
 2.  M^U^L^T^I^P^L^E ^C^E^L^L^S@D 
  
      ^X^X       EQU    ^N - ^M       ^D^E^S^C^R^I^P^T^I^O^N
  
 3.  C^O^N^T^I^G^U^O^U^S ^C^E^L^L^S@D 
  
               LOC    ^N
     ^X^X        BSS    1           ^D^E^S^C^R^I^P^T^I^O^N
     ^Y^Y        BSS    5           ^D^E^S^C^R^I^P^T^I^O^N
               .
               .
               .
     ^Z^Z        BSS    1           ^D^E^S^C^R^I^P^T^I^O^N
               LOC    *0
  
1                                                           PAGE    39
  
  
 4.  C^O^N^T^I^G^U^O^U^S ^D^I^R^E^C^T ^C^E^L^L^S ^O^R ^O^T^H^E^R ^S^E^Q^U^E^N^T^I^A^L ^T^A^G ^D^E^F^I^N^I^T^I^O^N^S 
     ^W^I^T^H^O^U^T ^R^E^S^E^R^V^I^N^G ^S^P^A^C^E@D 
  
     BEGIN     BSSN      ^N 
     ^X^X        BSSN      1        ^D^E^S^C^R^I^P^T^I^O^N
     ^Y^Y        BSSN      5        ^D^E^S^C^R^I^P^T^I^O^N
                . 
                . 
                . 
     ^Z^Z        BSSN      2        ^D^E^S^C^R^I^P^T^I^O^N
     END       BSSN 
  
     T^H^E BSSN ^M^A^C^R^O ^I^S ^D^E^F^I^N^E^D ^I^N COMCMAC ^A^N^D COMPMAC. 
  
     W^H^E^R^E@D
  
     ^X^X, ^Y^Y, ^Z^Z = ^T^H^E ^T^A^G ^F^O^R ^T^H^E ^C^E^L^L
              ^N = ^L^O^C^A^T^I^O^N ^O^F ^T^H^E ^C^E^L^L (^O^R ^F^I^R^S^T ^C^E^L^L) 
              ^M  = ^L^O^C^A^T^I^O^N ^O^F ^T^H^E ^L^A^S^T ^C^E^L^L
  
 M^U^L^T^I^P^L^E ^D^E^F^I^N^I^T^I^O^N^S ^O^F ^D^I^R^E^C^T ^C^E^L^L^S ^S^H^O^U^L^D ^B^E ^A^V^O^I^D^E^D.
  
 T^H^E ^F^I^R^S^T ^F^E^W ^D^I^R^E^C^T ^C^E^L^L^S ^I^N ^T^H^E PP ^S^H^O^U^L^D ^N^O^T ^B^E ^U^S^E^D ^F^O^R ^D^A^T^A 
 ^W^H^I^C^H ^I^S ^C^R^I^T^I^C^A^L ^T^O ^D^E^B^U^G^G^I^N^G.  T^H^E ^D^E^A^D^S^T^A^R^T ^D^U^M^P ^P^R^O^C^E^S^S
 ^D^E^S^T^R^O^Y^S ^T^H^E ^C^O^N^T^E^N^T^S ^O^F ^T^H^E^S^E ^L^O^C^A^T^I^O^N^S@D
  
     T0 - T3 ^A^N^D 7774 - 7777 
  
  
 3.4.5 BUFFER DEFINITIONS 
  
 L^A^R^G^E ^B^U^F^F^E^R^S ^A^N^D ^W^O^R^K^I^N^G ^S^T^O^R^A^G^E ^A^R^E^A^S ^S^H^O^U^L^D ^B^E ^D^E^F^I^N^E^D ^U^S^I^N^G EQU 
 ^S^T^A^T^E^M^E^N^T^S (^R^A^T^H^E^R ^T^H^A^N BSS ^A^N^D BSSZ) ^T^O ^A^V^O^I^D ^U^N^N^E^C^C^E^S^S^A^R^Y ^L^O^A^D^I^N^G 
 ^O^F ^T^H^E ^B^U^F^F^E^R ^A^R^E^A^S ^T^H^A^T ^D^O ^N^O^T ^R^E^Q^U^I^R^E ^I^N^I^T^I^A^L^I^Z^A^T^I^O^N.  T^H^I^S 
 ^A^P^P^L^I^E^S ^T^O CPU ^A^N^D PP ^C^O^D^E.
  
              USE    BUFFERS
     IBUF     EQU    *
     OBUF     EQU    IBUF+IBUFL 
     RFL=     EQU    OBUF+OBUFL 
  
 S^M^A^L^L ^B^U^F^F^E^R^S ^A^N^D ^W^O^R^K^I^N^G ^S^T^O^R^A^G^E ^A^R^E^A^S ^M^A^Y ^B^E ^A^L^L^O^C^A^T^E^D ^V^I^A BSSZ, 
 ^I^F ^T^H^E ^P^R^O^G^R^A^M ^R^E^Q^U^I^R^E^S ^T^H^A^T ^T^H^E ^A^R^E^A ^B^E ^Z^E^R^O ^O^N ^P^R^O^G^R^A^M ^I^N^I^T^I^A^T^I^O^N. 
  
 T^H^E BSSN ^M^A^C^R^O ^D^E^F^I^N^E^D ^I^N COMCMAC ^A^N^D COMPMAC ^M^A^Y ^A^L^S^O ^B^E ^U^S^E^D ^T^O
 ^D^E^F^I^N^E ^B^U^F^F^E^R^S. 
  
  
 3.5 DATA/CODE NAMING TERMINOLOGY 
  
  
1                                                           PAGE    40
  
  
 3.5.1 USE OF CONDITION TERMINOLOGY 
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^T^E^R^M^S ^A^R^E ^U^S^E^D ^T^O ^D^E^S^C^R^I^B^E ^T^H^E ^C^O^N^D^I^T^I^O^N ^O^F ^B^I^T^S ^U^S^E^D 
 ^A^S ^F^L^A^G^S ^O^R ^S^W^I^T^C^H^E^S.  T^H^E ^S^E^L^E^C^T^E^D ^T^E^R^M^S ^S^H^O^U^L^D ^B^E ^U^S^E^D 
 ^C^O^N^S^I^S^T^E^N^T^L^Y ^W^I^T^H^I^N ^A ^P^R^O^G^R^A^M. 
  
           1              0 
           ^O^N             ^O^F^F
           ^T^R^U^E           ^F^A^L^S^E
           ^S^E^T            ^C^L^E^A^R (^R^E^S^E^T)
           ^N^O^N^Z^E^R^O        ^Z^E^R^O 
           ^U^P             ^D^O^W^N
  
  
 3.5.2 TAGS WITHIN SUBROUTINES
  
 E^A^C^H ^S^U^B^R^O^U^T^I^N^E (^M^A^I^N ^L^O^O^P, ^P^R^I^M^A^R^Y ^S^U^B^R^O^U^T^I^N^E ^O^R ^S^E^C^O^N^D^A^R^Y 
 ^S^U^B^R^O^U^T^I^N^E) ^H^A^S ^A ^M^E^A^N^I^N^G^F^U^L ^T^H^R^E^E ^C^H^A^R^A^C^T^E^R ^N^A^M^E ^W^H^I^C^H ^I^S ^D^E^R^I^V^E^D 
 ^F^R^O^M ^T^H^E ^T^I^T^L^E ^O^F ^T^H^E ^S^U^B^R^O^U^T^I^N^E (^S^E^E ^S^E^C^T^I^O^N 2.4). 
  
 T^A^G^S ^U^S^E^D ^F^O^R ^B^R^A^N^C^H ^I^N^S^T^R^U^C^T^I^O^N^S ^A^R^E ^O^F ^T^H^E ^F^O^R^M@D
  
           XXX^N           E^X^A^M^P^L^E@D GFN1 
  
 T^A^G^S ^O^N ^C^O^D^E ^W^H^I^C^H ^I^S ^A^D^D^E^D ^L^A^T^E^R ^T^O ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^A^R^E ^O^F ^T^H^E
 ^F^O^R^M@D 
  
           XXXN.^N         E^X^A^M^P^L^E@D GFN1.1 
  
 T^A^G^S ^T^H^A^T ^A^R^E ^I^N^S^E^R^T^E^D ^B^E^T^W^E^E^N ^T^H^E SUBR ^A^N^D ^T^H^E ^T^A^G XXX1 ^B^Y 
 ^C^O^R^R^E^C^T^I^V^E ^C^O^D^E ^A^R^E ^O^F ^T^H^E ^F^O^R^M@D
  
           XXX0.^N         E^X^A^M^P^L^E@D GFN0.1 
  
  
 T^A^G^S ^O^N ^S^T^O^R^A^G^E ^L^O^C^A^T^I^O^N^S (^C^O^N^S^T^A^N^T^S, ^T^E^M^P^O^R^A^R^Y ^S^T^O^R^A^G^E ^A^N^D 
 ^I^N^S^T^R^U^C^T^I^O^N ^M^O^D^I^F^I^C^A^T^I^O^N) ^W^I^T^H^I^N ^A ^S^U^B^R^O^U^T^I^N^E ^A^R^E ^O^F ^T^H^E ^F^O^R^M@D
  
           XXX^A
  
 W^H^E^R^E@D
  
     XXX  =    S^U^B^R^O^U^T^I^N^E ^N^A^M^E 
     XXXN =    T^A^G ^P^R^E^C^E^D^I^N^G ^A^N ^A^D^D^E^D ^O^N^E
     ^N    =    N^U^M^B^E^R ^F^R^O^M 1 ^T^O 99 (^I^N ^C^O^N^S^E^C^U^T^I^V^E ^O^R^D^E^R ^B^E^G^I^N^N^I^N^G ^A^T
               ^T^H^E ^E^N^T^R^Y ^P^O^I^N^T ^A^N^D ^E^N^D^I^N^G ^A^T ^T^H^E ^E^X^I^T ^P^O^I^N^T)
     ^A    =    L^E^T^T^E^R ^F^R^O^M A ^T^O Z ^A^N^D AA ^T^O ZZ (^I^N ^A^L^P^H^A^B^E^T^I^C^A^L ^O^R^D^E^R 
               ^A^N^D ^E^X^C^L^U^D^I^N^G X) 
  
 T^A^G^S ^O^F ^T^H^E ^F^O^R^M XXX^N, XXX^N.^N, ^A^N^D XXX^A ^S^H^O^U^L^D ^N^O^T ^B^E ^R^E^F^E^R^E^N^C^E^D 
 ^O^U^T^S^I^D^E ^O^F ^S^U^B^R^O^U^T^I^N^E XXX.
  
1                                                           PAGE    41
  
  
 I^F ^T^H^E ^A^B^O^V^E ^R^U^L^E^S ^C^A^N^N^O^T ^B^E ^F^O^L^L^O^W^E^D ^D^U^E ^T^O ^T^A^G ^U^N^A^V^A^I^L^A^B^I^L^I^T^Y, 
 ^T^H^E ^E^N^T^I^R^E ^S^U^B^R^O^U^T^I^N^E ^W^I^L^L ^H^A^V^E ^I^T^S ^T^A^G^S ^R^E^S^E^Q^U^E^N^C^E^D. 
  
 T^A^G^S ^O^N ^S^T^O^R^A^G^E ^L^O^C^A^T^I^O^N^S ^W^I^T^H^I^N ^A ^S^U^B^R^O^U^T^I^N^E ^W^H^I^C^H ^M^U^S^T ^B^E 
 ^R^E^F^E^R^E^N^C^E^D ^O^U^T^S^I^D^E ^O^F ^T^H^E ^S^U^B^R^O^U^T^I^N^E ^S^H^O^U^L^D ^B^E ^G^I^V^E^N ^A^P^P^R^O^P^R^I^A^T^E 
 ^G^L^O^B^A^L ^T^A^G^S. 
  
  
 3.5.3 TAGS ON DATA 
  
  
 3.5.3.1 DIRECT CELLS 
  
 A^L^L PP ^D^I^R^E^C^T ^C^E^L^L^S ^H^A^V^E ^T^W^O-^C^H^A^R^A^C^T^E^R ^N^A^M^E^S.
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^T^A^B^L^E ^D^E^F^I^N^E^S ^T^H^E ^P^R^E^A^S^S^I^G^N^E^D ^D^I^R^E^C^T ^C^E^L^L ^U^S^A^G^E@D
  
     C^O^N^T^E^N^T^S                   N^A^M^E      L^O^C^A^T^I^O^N 
  
     C^O^N^T^R^O^L P^O^I^N^T RA/100       RA        55
     C^O^N^T^R^O^L P^O^I^N^T FL/100       FL        56
     1                          ON        70
     100                        HN        71
     1000                       TH        72
     3                          TR        73
     CPA ^A^D^D^R^E^S^S                CP        74 
     PP ^I^N^P^U^T ^R^E^G^I^S^T^E^R ^A^D^D^R^E^S^S  IA        75
     PP ^O^U^T^P^U^T ^R^E^G^I^S^T^E^R ^A^D^D^R^E^S^S OA        76 
     PP ^M^E^S^S^A^G^E ^B^U^F^F^E^R ^A^D^D^R^E^S^S  MA        77
  
  
 3.5.3.2 CODE CONTROL NAMES 
  
 N^A^M^E^S ^U^S^E^D ^F^O^R ^A^S^S^E^M^B^L^Y ^O^P^T^I^O^N^S, ^M^I^C^R^O^S ^A^N^D ^T^O ^C^O^N^T^R^O^L ^C^O^D^E
 ^G^E^N^E^R^A^T^I^O^N ^A^R^E ^F^I^V^E ^O^R ^M^O^R^E ^C^H^A^R^A^C^T^E^R^S ^L^O^N^G.
  
  
 3.5.3.3 TABLE NAMES
  
 T^A^G^S ^U^S^E^D ^O^N ^T^A^B^L^E^S ^H^A^V^E ^T^H^E ^F^O^R^M@D
  
           T^X^X^X
  
 T^A^G^S ^U^S^E^D ^F^O^R ^T^A^B^L^E ^L^E^N^G^T^H^S ^H^A^V^E ^T^H^E ^F^O^R^M@D 
  
           T^X^X^XL 
  
 T^A^G^S ^U^S^E^D ^F^O^R ^T^A^B^L^E ^E^N^T^R^Y ^L^E^N^G^T^H^S ^H^A^V^E ^T^H^E ^F^O^R^M@D
  
           T^X^X^XE 
  
1                                                           PAGE    42
  
  
 W^H^E^R^E@D
  
 ^X^X^X = 3 ^C^H^A^R^A^C^T^E^R ^T^A^B^L^E ^N^A^M^E
  
  
 3.5.3.4 GLOBAL MEMORY LOCATIONS
  
 N^A^M^E^S ^U^S^E^D ^F^O^R ^G^L^O^B^A^L ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N^S (^L^O^C^A^T^I^O^N^S ^R^E^F^E^R^E^N^C^E^D ^B^Y ^M^O^R^E
 ^T^H^A^N ^O^N^E ^S^U^B^R^O^U^T^I^N^E) ^A^R^E ^F^O^U^R ^C^H^A^R^A^C^T^E^R^S ^L^O^N^G.  M^U^L^T^I^P^L^E ^D^E^F^I^N^I^T^I^O^N^S 
 ^F^O^R ^G^L^O^B^A^L ^M^E^M^O^R^Y ^L^O^C^A^T^I^O^N^S ^S^H^O^U^L^D ^B^E ^A^V^O^I^D^E^D.
  
  
 3.5.4 CONSTANTS USED AS INSTRUCTIONS 
  
 F^O^U^R ^L^E^T^T^E^R ^T^A^G ^N^A^M^E^S ^S^H^O^U^L^D ^E^N^D ^I^N "I" ^I^F ^T^H^E ^T^A^G ^N^A^M^E ^I^S ^D^E^F^I^N^I^N^G
 ^A^N ^I^N^S^T^R^U^C^T^I^O^N. 
  
 F^O^R ^E^X^A^M^P^L^E@D 
  
      LJMI     EQU    0100B       *LJM* INSTRUCTION 
      SHNI     EQU    1000B       *SHN* INSTRUCTION 
  
 PP ^I^N^S^T^R^U^C^T^I^O^N^S ^A^R^E ^D^E^F^I^N^E^D ^A^S ^C^O^N^S^T^A^N^T^S ^I^N ^C^O^M^M^O^N ^D^E^C^K COMSPIM.
  
  
 3.5.5 IF/ELSE/ENDIF SYMBOLS
  
 S^Y^M^B^O^L^S ^U^S^E^D ^O^N IF, ELSE, ENDIF ^A^N^D SKIP ^P^S^U^E^D^O ^I^N^S^T^R^U^C^T^I^O^N^S ^M^A^Y ^B^E
 ^S^Y^S^T^E^M ^S^Y^M^B^O^L^S ^O^R ^L^O^C^A^L ^S^Y^M^B^O^L^S ^O^F ^T^H^E ^F^O^R^M@D
  
               .^A
  
 ^W^H^E^R^E@D 
          ^A = ^L^E^T^T^E^R ^F^R^O^M A ^T^O Z 
  
 U^N^L^A^B^E^L^E^D, ^U^N^N^U^M^B^E^R^E^D IF/ELSE/SKIP/ENDIF ^S^E^Q^U^E^N^C^E^S ^S^H^O^U^L^D ^N^O^T ^B^E 
 ^U^S^E^D ^A^S ^T^H^E^Y ^M^A^Y ^U^N^E^X^P^E^C^T^E^D^L^Y ^A^F^F^E^C^T ^O^T^H^E^R ^S^E^Q^U^E^N^C^E^S.  F^O^R ^V^E^R^Y 
 ^S^H^O^R^T ^S^E^Q^U^E^N^C^E^S ^A ^L^I^N^E ^C^O^U^N^T ^M^A^Y ^B^E ^U^S^E^D, ^F^O^R ^L^O^N^G^E^R ^S^E^Q^U^E^N^C^E^S
 ^L^A^B^E^L^S ^A^R^E ^P^R^E^F^E^R^R^E^D.
  
 3.5.6 NON-LOCAL MACRO SYMBOLS
  
 T^O ^A^V^O^I^D ^C^O^N^F^L^I^C^T^S ^W^I^T^H ^U^S^E^R ^C^O^D^E, ^N^O^N-^L^O^C^A^L ^S^Y^M^B^O^L^S ^D^E^F^I^N^E^D ^W^I^T^H^I^N 
 ^M^A^C^R^O^S ^A^R^E ^O^F ^T^H^E ^F^O^R^M@D 
  
               .^N
  
 ^W^H^E^R^E@D 
          ^N = ^N^U^M^B^E^R ^F^R^O^M 1 ^T^O 99
  
  
1                                                           PAGE    43
  
  
 3.5.7 LOW CORE LOCATION SYMBOLS
  
 S^Y^M^B^O^L^S ^T^H^A^T ^A^R^E ^U^S^E^D ^T^O ^D^E^F^I^N^E ^L^O^C^A^T^I^O^N^S ^I^N ^L^O^W ^C^O^R^E (CMR) ^A^R^E ^O^F 
 ^T^H^E ^F^O^R^M@D
  
               ^X^X^XL
  
  
 3.5.8 CONTROL POINT AREA LOCATION SYMBOLS
  
 S^Y^M^B^O^L^S ^T^H^A^T ^A^R^E ^U^S^E^D ^F^O^R ^D^E^F^I^N^I^N^G ^L^O^C^A^T^I^O^N^S ^I^N ^T^H^E ^C^O^N^T^R^O^L ^P^O^I^N^T
 ^A^R^E^A ^A^R^E ^O^F ^T^H^E ^F^O^R^M@D 
  
               ^X^X^XW
  
  
 3.5.9 MONITOR FUNCTION SYMBOLS 
  
 S^Y^M^B^O^L^S ^U^S^E^D ^F^O^R ^M^O^N^I^T^O^R ^F^U^N^C^T^I^O^N ^R^E^Q^U^E^S^T^S ^A^R^E ^O^F ^T^H^E ^F^O^R^M@D 
  
               ^X^X^XM
  
  
 3.5.10 NEGATIVE FIELD LENGTH SYMBOLS 
  
 S^Y^M^B^O^L^S ^U^S^E^D ^T^O ^R^E^F^E^R^E^N^C^E ^D^A^T^A ^I^N ^N^E^G^A^T^I^V^E ^F^I^E^L^D ^L^E^N^G^T^H ^A^R^E ^O^F ^T^H^E 
 ^F^O^R^M@D 
  
               ^X^X^XN
  
  
 3.6 PSEUDO INSTRUCTION USE, FORMAT, AND PARAMETERS 
  
  
 3.6.1 BASE AND POST RADIX USE
  
 T^H^E BASE DECIMAL ^P^S^E^U^D^O-^O^P ^I^S ^U^S^E^D ^I^N ^A^L^L CPU ^C^O^D^E.  T^H^E BASE MIXED 
 ^P^S^E^U^D^O-^O^P ^I^S ^U^S^E^D ^I^N ^A^L^L PP ^C^O^D^E.  P^O^S^T R^A^D^I^X ^I^S ^A^L^L^O^W^E^D ^F^O^R ^D^A^T^A
 ^F^O^R^M^A^T^S ^O^T^H^E^R ^T^H^A^N ^O^C^T^A^L ^A^N^D ^D^E^C^I^M^A^L; ^I^N ^S^P^E^C^I^F^Y^I^N^G ^T^I^M^I^N^G ^L^O^O^P^S 
 ^W^H^E^R^E ^D^E^C^I^M^A^L ^V^A^L^U^E^S ^A^R^E ^M^O^R^E ^M^E^A^N^I^N^G^F^U^L ^T^O ^H^U^M^A^N^S; ^A^N^D ^W^H^E^R^E 
 ^E^X^T^E^R^N^A^L ^S^P^E^C^I^F^I^C^A^T^I^O^N^S ^S^U^C^H ^A^S ANSI ^O^R ^C^O^R^P^O^R^A^T^E ^S^T^A^N^D^A^R^D^S ^D^I^C^T^A^T^E 
 ^T^H^E ^U^S^E ^O^F ^A ^P^A^R^T^I^C^U^L^A^R ^F^O^R^M^A^T. 
  
  
 3.6.2 EXTERNAL REFERENCES
  
 T^H^E EXT ^P^S^E^U^D^O-^O^P ^I^S ^N^O^T ^U^S^E^D.  A^L^L ^R^E^F^E^R^E^N^C^E^S ^T^O ^E^X^T^E^R^N^A^L ^N^A^M^E^S ^U^S^E
 ^T^H^E ^F^O^R^M =X^N^A^M^E.  I^N ^A^N ^A^B^S^O^L^U^T^E ^A^S^S^E^M^B^L^Y, ^R^E^F^E^R^E^N^C^E^S ^T^O ^L^O^C^A^T^I^O^N^S
 ^I^N ^O^T^H^E^R ^O^V^E^R^L^A^Y^S ^U^S^E ^T^H^E ^F^O^R^M =X^N^A^M^E.
  
  
1                                                           PAGE    44
  
  
 3.6.3 SPACE CARD FORMAT
  
 T^H^E ^F^O^R^M^A^T ^O^F ^T^H^E SPACE ^P^S^E^U^D^O ^I^N^S^T^R^U^C^T^I^O^N ^I^S@D
  
      ^T^A^G      SPACE  4,^N 
  
 ^W^H^E^R^E@D 
  
        ^T^A^G     =^T^A^B^L^E, ^M^A^C^R^O ^O^R ^S^U^B^R^O^U^T^I^N^E ^N^A^M^E 
        ^N       =^S^T^A^T^E^M^E^N^T ^C^O^U^N^T 
  
 T^H^E ^S^T^A^T^E^M^E^N^T ^C^O^U^N^T ^I^S ^A ^M^U^L^T^I^P^L^E ^O^F 5 ^T^H^A^T ^I^S ^G^R^E^A^T^E^R ^O^R ^E^Q^U^A^L ^T^O
 10.  I^T ^S^H^O^U^L^D ^B^E ^L^A^R^G^E ^E^N^O^U^G^H ^T^O ^A^V^O^I^D ^B^R^E^A^K^I^N^G ^D^O^C^U^M^E^N^T^A^T^I^O^N 
 ^A^C^R^O^S^S ^P^A^G^E ^B^O^U^N^D^A^R^I^E^S.
  
  
 3.6.4 CONDITIONAL CODE 
  
 N^U^M^E^R^I^C ^S^K^I^P ^C^O^U^N^T^S ^A^R^E ^D^I^S^C^O^U^R^A^G^E^D ^W^I^T^H IF, IFC, ELSE, ^E^T^C., 
 ^B^E^C^A^U^S^E ^T^H^I^S ^M^A^K^E^S ^C^O^D^E ^D^I^F^F^I^C^U^L^T ^T^O ^R^E^A^D (^E^S^P^E^C^I^A^L^L^Y ^W^H^E^N ^T^H^E 
 ^S^K^I^P^P^E^D ^L^I^N^E^S ^A^R^E ^N^O^T ^L^I^S^T^E^D).  ENDIF ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^N^S^T^E^A^D.  A^N
 ^E^X^C^E^P^T^I^O^N ^I^S ^A^L^L^O^W^E^D ^F^O^R ^V^E^R^Y ^S^H^O^R^T ^S^E^Q^U^E^N^C^E^S ^A^N^D ^F^O^R ^S^Y^S^T^E^M^S ^T^E^X^T^S 
 ^W^H^E^R^E ^S^P^A^C^E ^I^S ^C^R^I^T^I^C^A^L. 
  
 C^O^N^D^I^T^I^O^N^A^L ^S^E^Q^U^E^N^C^E^S ^S^H^O^U^L^D ^B^E ^B^R^A^C^K^E^T^E^D ^W^I^T^H ^L^A^B^E^L^S (^R^E^F^E^R ^T^O 
 ^S^E^C^T^I^O^N 3.5.5) ^W^H^I^C^H ^A^L^L^O^W^S ^T^H^E^M ^T^O ^B^E ^E^A^S^I^L^Y ^S^P^O^T^T^E^D ^A^N^D ^M^A^T^C^H^E^D ^I^N
 ^L^I^S^T^I^N^G^S.
  
 W^H^E^N ^E^I^T^H^E^R ^E^N^D ^O^F ^A ^S^E^Q^U^E^N^C^E ^O^F ^C^O^N^D^I^T^I^O^N^A^L ^C^O^D^E ^O^C^C^U^R^S ^A^T ^A ^B^R^E^A^K
 ^I^N ^T^H^E ^L^I^S^T^I^N^G (SPACE, TITLE, ^O^R ^B^L^A^N^K ^L^I^N^E^S), ^T^H^E ^S^P^A^C^I^N^G ^L^I^N^E^S
 ^S^H^O^U^L^D ^B^E ^P^L^A^C^E^D ^S^O ^T^H^A^T ^S^P^A^C^I^N^G ^W^I^L^L ^B^E ^C^O^R^R^E^C^T ^W^H^E^T^H^E^R ^T^H^E ^T^E^S^T ^I^S 
 ^T^R^U^E ^O^R ^F^A^L^S^E.  U^S^U^A^L^L^Y ^T^H^I^S ^M^E^A^N^S ^M^O^V^I^N^G ^T^H^E ^S^P^A^C^I^N^G ^O^U^T^S^I^D^E ^T^H^E
 ^C^O^N^D^I^T^I^O^N^A^L ^C^O^D^E. 
  
 E^X^A^M^P^L^E@D
              . 
              . 
              . 
              EQ     TAG1        CONTINUE 
              (^B^L^A^N^K ^L^I^N^E)       (^O^U^T^S^I^D^E ^C^O^N^D^I^T^I^O^N^A^L ^C^O^D^E)
     .A       IFC    EQ,*"SYSTEM"*SCOPE*
     TAG3     CONTROL  TAGA,R    READ COMMAND 
              EQ     TAGX        RETURN 
              (^B^L^A^N^K ^L^I^N^E) 
     TAGA     BSS    8           COMMAND BUFFER 
     .A       ELSE
     TAG3     CONTROL  CCDR      READ COMMAND 
              EQ     TAGX        RETURN 
     .A       ENDIF 
     ABC      SPACE  4,10        (^O^U^T^S^I^D^E ^C^O^N^D^I^T^I^O^N^A^L ^C^O^D^E) 
  
1                                                           PAGE    45
  
  
 3.6.5 MACROS 
  
 M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N^S ^S^H^O^U^L^D ^I^N^C^L^U^D^E ^A ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^H^O^W ^T^H^E ^M^A^C^R^O ^I^S
 ^C^A^L^L^E^D ^A^N^D ^A ^D^E^S^C^R^I^P^T^I^O^N ^O^F ^A^L^L ^F^O^R^M^A^L ^P^A^R^A^M^E^T^E^R^S.  (R^E^F^E^R ^T^O
 ^S^E^C^T^I^O^N 2.5.) 
  
 T^H^E PURGMAC ^P^S^U^E^D^O ^I^N^S^T^R^U^C^T^I^O^N ^S^H^O^U^L^D ^B^E ^U^S^E^D ^T^O ^D^I^S^A^B^L^E ^A^N^Y
 ^P^R^E^V^I^O^U^S ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N^S ^O^F ^T^H^E ^S^A^M^E ^N^A^M^E.
  
 N^O^N-^L^O^C^A^L ^S^Y^M^B^O^L ^D^E^F^I^N^I^T^I^O^N^S ^S^H^O^U^L^D ^B^E ^O^F ^T^H^E ^F^O^R^M .^N (^S^E^E ^S^E^C^T^I^O^N 
 3.5.6).
  
 T^O ^A^V^O^I^D ^T^E^R^M^I^N^A^T^I^N^G ^M^U^L^T^I^P^L^E ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N^S, ^T^H^E ENDM
 ^I^N^S^T^R^U^C^T^I^O^N ^S^H^O^U^L^D ^B^E ^L^A^B^E^L^E^D ^W^I^T^H ^T^H^E ^M^A^C^R^O ^N^A^M^E. 
  
 T^H^E MACREF ^M^A^C^R^O (^D^E^F^I^N^E^D ^I^N SYSTEXT) ^M^A^Y ^B^E ^I^N^C^L^U^D^E^D ^W^I^T^H^I^N ^T^H^E 
 ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N ^B^O^D^Y ^T^O ^P^R^O^V^I^D^E ^S^Y^M^B^O^L^I^C ^R^E^F^E^R^E^N^C^E ^T^A^B^L^E ^L^I^S^T^I^N^G ^O^F
 ^T^H^E ^C^A^L^L^S ^O^F ^T^H^E ^M^A^C^R^O.
  
 T^H^E SYSTEM XXX,= ^M^A^C^R^O (^D^E^F^I^N^E^D ^I^N CPCOM) ^S^H^O^U^L^D ^B^E ^U^S^E^D ^F^O^R ^C^R^O^S^S 
 ^R^E^F^E^R^E^N^C^I^N^G ^O^F CP ^P^R^O^G^R^A^M^S ^C^A^L^L^I^N^G PP ^P^R^O^G^R^A^M^S ^W^I^T^H^O^U^T ^A ^S^T^A^N^D^A^R^D
 ^I^N^T^E^R^F^A^C^E (E^X^A^M^P^L^E^S@D  CPUMTR ^C^A^L^L^I^N^G 1MA, MAGNET ^C^A^L^L^I^N^G 1MT ^V^I^A SPC 
 ^C^A^L^L). 
  
 T^H^E EXECUTE XXX,= ^M^A^C^R^O (^D^E^F^I^N^E^D ^I^N COMPMAC) ^S^H^O^U^L^D ^B^E ^U^S^E^D ^F^O^R 
 ^C^R^O^S^S ^R^E^F^E^R^E^N^C^I^N^G ^O^F PP ^P^R^O^G^R^A^M^S ^C^A^L^L^I^N^G PP ^P^R^O^G^R^A^M^S ^O^R ^O^V^E^R^L^A^Y^S
 ^W^I^T^H^O^U^T ^A ^S^T^A^N^D^A^R^D ^I^N^T^E^R^F^A^C^E. 
  
 W^H^E^N ^S^P^A^C^E ^I^S ^C^R^I^T^I^C^A^L, ^A^S ^I^N ^S^Y^S^T^E^M^S ^T^E^X^T^S, ^T^H^E ^F^O^L^L^O^W^I^N^G ^L^I^S^T ^O^F 
 ^C^O^L^U^M^N ^N^U^M^B^E^R^S ^R^E^P^R^E^S^E^N^T ^T^H^E ^B^E^G^I^N^N^I^N^G ^O^F ^E^A^C^H ^F^I^E^L^D ^I^N ^A COMPASS
 ^C^O^D^I^N^G ^L^I^N^E ^T^O ^B^E ^U^S^E^D ^I^N ^A ^M^A^C^R^O ^D^E^F^I^N^I^T^I^O^N.
  
     C^O^L^U^M^N 2  = ^L^O^C^A^T^I^O^N ^F^I^E^L^D 
     ^C^O^L^U^M^N 3  = ^O^P^E^R^A^T^I^O^N ^F^I^E^L^D
     ^C^O^L^U^M^N 6  = ^A^D^D^R^E^S^S ^F^I^E^L^D
     ^C^O^L^U^M^N 73 = ^R^E^S^E^R^V^E^D 
  
 I^F ^A ^F^I^E^L^D ^I^S ^F^U^L^L ^O^R ^O^V^E^R^F^L^O^W^S ^I^N^T^O ^A^N ^A^D^J^A^C^E^N^T ^F^I^E^L^D, ^T^H^E^N ^O^N^E 
 ^S^P^A^C^E ^S^H^O^U^L^D ^S^E^P^A^R^A^T^E ^T^H^E ^F^I^E^L^D^S.  I^F ^C^O^M^M^E^N^T^S ^A^R^E ^R^E^Q^U^I^R^E^D, ^T^H^E^Y
 ^S^H^O^U^L^D ^A^P^P^E^A^R ^A^S ^S^T^A^N^D-^A^L^O^N^E ^C^O^M^M^E^N^T^S ^R^A^T^H^E^R ^T^H^A^N ^E^M^B^E^D^D^E^D ^C^O^M^M^E^N^T^S. 
  
  
 3.6.6 DIS PSEUDO INSTRUCTION 
  
 T^H^E DIS ^P^S^E^U^D^O ^I^N^S^T^R^U^C^T^I^O^N ^S^H^O^U^L^D ^N^O^T ^B^E ^U^S^E^D ^T^O ^G^E^N^E^R^A^T^E ^D^A^T^A ^S^I^N^C^E
 ^T^H^E ^S^Y^N^T^A^X ^O^F ^T^H^E ^I^N^S^T^R^U^C^T^I^O^N ^D^E^T^E^R^M^I^N^E^S ^T^H^E ^F^O^R^M^A^T ^O^F ^T^H^E ^D^A^T^A.
 T^H^E DATA ^P^S^U^E^D^O ^I^N^S^T^R^U^C^T^I^O^N ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^N^S^T^E^A^D.
  
  
1                                                           PAGE    46
  
  
 3.7 TESTS FOR OVERFLOW 
  
 CPU ^A^N^D PP ^P^R^O^G^R^A^M^S ^S^H^O^U^L^D ^C^O^N^T^A^I^N ^A^S^S^E^M^B^L^Y ^C^H^E^C^K^S ^F^O^R ^C^E^R^T^A^I^N ^T^Y^P^E^S
 ^O^F ^O^V^E^R^F^L^O^W ^C^O^N^D^I^T^I^O^N^S.  T^H^E ^F^O^L^L^O^W^I^N^G ^P^O^I^N^T^S ^S^H^O^U^L^D ^B^E ^C^O^N^S^I^D^E^R^E^D
 ^W^H^E^N ^M^A^K^I^N^G ^T^H^E ^C^H^E^C^K^S. 
  
     PP ^P^R^O^G^R^A^M^S ^A^N^D ^O^V^E^R^L^A^Y^S ^A^R^E ^G^E^N^E^R^A^T^E^D ^B^Y COMPASS ^I^N ^M^U^L^T^I^P^L^E^S 
     ^O^F 5 PP ^B^Y^T^E^S (1 CM ^W^O^R^D).  T^H^E^R^E^F^O^R^E, ^W^H^E^N ^R^E^A^D^I^N^G ^A^N ^O^V^E^R^L^A^Y
     ^F^R^O^M ^C^E^N^T^R^A^L ^M^E^M^O^R^Y ^T^O PP ^M^E^M^O^R^Y, ^M^O^R^E PP ^B^Y^T^E^S ^M^A^Y ^B^E
     ^D^E^S^T^R^O^Y^E^D ^T^H^A^N ^T^H^E ^A^C^T^U^A^L ^N^U^M^B^E^R ^O^F ^B^Y^T^E^S ^O^F PP ^C^O^D^E. 
  
     O^V^E^R^L^A^Y^S ^L^O^A^D^E^D ^F^R^O^M ^M^A^S^S ^S^T^O^R^A^G^E ^T^O PP ^M^E^M^O^R^Y ^C^O^M^E ^I^N 
     ^M^U^L^T^I^P^L^I^E^S ^O^F 500 PP ^B^Y^T^E^S.  A^T ^L^E^A^S^T 5 ^B^Y^T^E^S ^O^F ^T^H^E ^L^A^S^T PRU 
     ^A^R^E ^R^E^Q^U^I^R^E^D ^T^O ^R^E^P^R^E^S^E^N^T ^E^N^D ^O^F ^R^E^C^O^R^D ^W^H^I^C^H ^C^A^N ^I^N^C^R^E^A^S^E ^T^H^E 
     ^S^I^Z^E ^O^F ^T^H^E ^O^V^E^R^L^A^Y ^B^Y ^O^N^E PRU (500 ^B^Y^T^E^S).
  
     C^A^R^E ^S^H^O^U^L^D ^B^E ^T^A^K^E^N ^T^O ^I^N^S^U^R^E ^T^H^A^T ^T^H^E ^L^I^T^E^R^A^L^S ^B^L^O^C^K ^H^A^S ^B^E^E^N 
     ^D^E^F^I^N^E^D ^B^E^F^O^R^E ^C^H^E^C^K^I^N^G ^F^O^R ^T^H^E ^O^V^E^R^F^L^O^W ^C^O^N^D^I^T^I^O^N^S.  L^I^T^E^R^A^L^S 
     ^C^A^N ^B^E ^F^L^U^S^H^E^D ^B^Y ^S^P^E^C^I^F^Y^I^N^G@D 
  
               USE    (^N^A^M^E)
               USE    * 
  
  
 T^H^E OVERFLOW ^M^A^C^R^O (^D^E^F^I^N^E^D ^I^N COMPMAC) ^M^A^Y ^B^E ^U^S^E^D ^T^O ^P^E^R^F^O^R^M ^T^H^E^S^E
 ^C^H^E^C^K^S.
  
  
 3.7.1 CM LOADS 
  
 A^L^L PP ^P^R^O^G^R^A^M^S ^I^N^C^L^U^D^E ^A ^T^E^S^T ^F^O^R ^T^H^E ^A^M^O^U^N^T ^O^F ^C^O^R^E ^R^E^M^A^I^N^I^N^G 
 ^A^F^T^E^R ^A CM ^L^O^A^D ^A^S ^S^H^O^W^N ^I^N ^T^H^E ^F^O^L^L^O^W^I^N^G ^E^X^A^M^P^L^E@D
  
               USE    OVERFLOW
      ^X^X^X      BSS    0
               ERRNG  7772-^X^X^X    PP MEMORY OVERFLOW 
  
 W^H^E^R^E@D
  
      ^X^X^X =^T^A^G ^F^O^R ^T^H^E ^L^A^S^T ^L^O^C^A^T^I^O^N ^D^E^F^I^N^E^D 
  
  
 3.7.2 TABLE OVERFLOW 
  
 I^F ^A PP ^P^R^O^G^R^A^M ^U^S^E^S ^M^O^R^E ^S^T^O^R^A^G^E ^T^H^A^N ^I^T ^D^E^C^L^A^R^E^S, ^I^T^S ^L^E^N^G^T^H ^I^S 
 ^C^H^E^C^K^E^D ^A^S ^S^H^O^W^N ^I^N ^T^H^E ^F^O^L^L^O^W^I^N^G ^E^X^A^M^P^L^E@D 
  
               USE    OVERFLOW
      ^X^X^X      BSS    0
      ^X^X^XE     EQU    ^X^X^X+^X^X^XL 
               ERRNG  7777-^X^X^XE   PROGRAM OVERFLOW 
  
1                                                           PAGE    47
  
  
 W^H^E^R^E@D
  
     ^X^X^X  = ^T^A^G ^F^O^R ^T^H^E ^L^A^S^T ^L^O^C^A^T^I^O^N ^D^E^F^I^N^E^D
     ^X^X^XL = ^L^E^N^G^T^H ^O^F ^U^N^D^E^C^L^A^R^E^D ^S^P^A^C^E
     ^X^X^XE = ^E^N^D ^O^F ^S^P^A^C^E ^U^S^E^D
  
  
 3.7.3 MASS STORAGE LOADS 
  
 A ^T^E^S^T ^W^I^L^L ^B^E ^I^N^C^L^U^D^E^D ^I^N ^E^A^C^H PP ^P^R^O^G^R^A^M ^W^H^I^C^H ^M^A^Y ^R^E^S^I^D^E ^O^N ^M^A^S^S 
 ^S^T^O^R^A^G^E.  T^H^I^S ^T^E^S^T ^W^I^L^L ^P^R^O^T^E^C^T ^A^G^A^I^N^S^T ^A ^L^O^A^D ^W^H^I^C^H ^E^X^C^E^E^D^S ^T^H^E
 ^E^N^D ^O^F ^M^E^M^O^R^Y ^I^N ^T^H^E PP ^C^A^U^S^I^N^G ^W^R^A^P ^A^R^O^U^N^D.  T^H^E "OVERFLOW" ^M^A^C^R^O 
 ^I^S ^A^V^A^I^L^A^B^L^E ^I^N COMPMAC ^F^O^R ^T^H^I^S ^O^P^E^R^A^T^I^O^N. 
  
  
 3.7.4 OVERLAY LOADS
  
 P^R^O^G^R^A^M^S ^C^A^L^L^I^N^G ^O^V^E^R^L^A^Y^S ^S^H^O^U^L^D ^T^E^S^T ^F^O^R ^M^E^M^O^R^Y ^O^V^E^R^F^L^O^W ^W^I^T^H ^T^H^E 
 ^F^O^L^L^O^W^I^N^G ^T^E^S^T@D
               ERRNG  (^L^W^A+1)-(^L^O^A^D ^A^D^D^R)-^L^E^N   ^C^O^M^M^E^N^T
 ^W^H^E^R^E@D 
  
     1^W^A+1     =    ^F^I^R^S^T ^B^Y^T^E ^N^O^T ^T^O ^B^E ^D^E^S^T^R^O^Y^E^D ^B^Y ^T^H^E ^Z^E^R^O ^L^E^V^E^L 
                    ^O^V^E^R^L^A^Y
     ^L^O^A^D ^A^D^D^R =    ^A^D^D^R^E^S^S ^W^H^E^R^E ^T^H^E ^O^V^E^R^L^A^Y ^I^S ^L^O^A^D^E^D 
     ^L^E^N       =    ^L^E^N^G^T^H ^O^F ^O^V^E^R^L^A^Y 
  
 T^H^E ^L^E^N^G^T^H ^O^F ^A^N ^O^V^E^R^L^A^Y ^I^S ^D^E^F^I^N^E^D ^T^O ^B^E ^T^H^E ^N^U^M^B^E^R ^O^F ^B^Y^T^E^S
 ^D^E^S^T^R^O^Y^E^D ^B^Y ^T^H^E ^O^V^E^R^L^A^Y ^D^U^R^I^N^G ^L^O^A^D^I^N^G ^A^N^D ^E^X^E^C^U^T^I^O^N.  T^H^E ^O^V^E^R^L^A^Y 
 ^S^H^O^U^L^D ^A^L^S^O ^C^O^N^T^A^I^N ^A ^T^E^S^T ^T^O ^I^N^S^U^R^E ^T^H^A^T ^I^T ^D^O^E^S ^N^O^T ^E^X^C^E^E^D ^I^T^S 
 ^D^E^F^I^N^E^D ^L^E^N^G^T^H.  T^H^E ^O^V^E^R^L^A^Y ^L^E^N^G^T^H ^C^A^N ^B^E ^A^D^J^U^S^T^E^D ^T^O ^A ^H^I^G^H^E^R ^O^R 
 ^S^M^A^L^L^E^R ^V^A^L^U^E ^A^S ^L^O^N^G ^A^S ^N^O^N^E ^O^F ^T^H^E ^T^E^S^T^S ^F^A^I^L.  T^H^E "OVERFLOW" 
 ^M^A^C^R^O ^I^S ^A^V^A^I^L^A^B^L^E ^I^N COMPMAC ^F^O^R ^T^H^I^S ^O^P^E^R^A^T^I^O^N.
  
  
 3.8 RELOCATABLE CPU CODE 
  
 T^H^E ^F^I^R^S^T ^W^O^R^D ^O^F ^A ^R^E^L^O^C^A^T^A^B^L^E CPU ^P^R^O^G^R^A^M ^S^H^O^U^L^D ^B^E ^O^F ^T^H^E ^F^O^R^M^A^T@D 
  
          42/0LDECK, 18/ADDR
  
 ^W^H^E^R^E@D 
  
          DECK = ^D^E^C^K ^N^A^M^E
          ADDR = ^E^N^T^R^Y ^A^D^D^R^E^S^S ^O^F ^P^R^O^G^R^A^M
  
 T^H^I^S ^W^O^R^D ^I^S ^U^S^E^D ^T^O ^L^O^C^A^T^E ^T^H^E ^F^I^R^S^T ^W^O^R^D ^A^D^D^R^E^S^S ^A^N^D ^E^N^T^R^Y ^P^O^I^N^T
 ^O^F ^A ^R^O^U^T^I^N^E ^I^N ^A CM ^D^U^M^P.
  
 T^H^E ^C^O^N^T^E^N^T^S ^O^F A0 ^M^U^S^T ^N^E^V^E^R ^B^E ^U^S^E^D ^I^N ^A ^L^I^B^R^A^R^Y ^L^E^V^E^L ^R^O^U^T^I^N^E
 ^U^N^L^E^S^S ^I^T ^I^S ^S^A^V^E^D ^A^N^D ^R^E^S^T^O^R^E^D.  A0 ^I^S ^U^S^E^D ^B^Y FTN ^A^S ^A ^B^A^S^E 
 ^R^E^G^I^S^T^E^R ^F^O^R ^F^O^R^M^A^L ^P^A^R^A^M^E^T^E^R^S ^I^N ^S^U^B^R^O^U^T^I^N^E ^L^I^N^K^A^G^E^S.
  
1                                                           PAGE    48
  
  
 3.9 ROUTINE/SUBROUTINE COMPLEXITY
  
 I^N ^T^H^I^S ^C^O^N^T^E^X^T, ^T^H^E ^T^E^R^M "^C^O^M^P^L^E^X^I^T^Y" ^I^S ^U^S^E^D ^I^N ^I^T^S ^F^O^R^M^A^L ^S^E^N^S^E; 
 ^T^H^A^T ^I^S, ^A ^S^E^N^S^E ^O^F ^T^H^E ^S^T^R^U^C^T^U^R^A^L ^I^N^C^O^H^E^R^E^N^C^E (^E^N^T^R^O^P^Y) ^O^F ^A
 ^R^O^U^T^I^N^E.  T^H^E ^M^O^R^E ^C^O^M^P^L^E^X ^A ^R^O^U^T^I^N^E ^I^S, ^T^H^E ^M^O^R^E ^L^I^A^B^L^E ^I^T ^I^S ^T^O ^B^E
 ^A ^S^O^U^R^C^E ^O^F ^E^R^R^O^R^S, ^D^I^F^F^I^C^U^L^T ^T^O ^I^M^P^L^E^M^E^N^T, ^A^N^D ^W^O^R^S^E ^T^O ^M^O^D^I^F^Y ^O^R
 ^C^O^R^R^E^C^T.  T^H^E^R^E ^A^R^E ^N^O ^H^A^R^D ^A^N^D ^F^A^S^T ^R^U^L^E^S ^F^O^R ^G^A^U^G^I^N^G ^T^H^E
 ^C^O^M^P^L^E^X^I^T^Y ^O^F ^A ^R^O^U^T^I^N^E, ^B^U^T ^I^T ^C^A^N ^B^E ^S^A^I^D ^I^N ^G^E^N^E^R^A^L ^T^H^A^T ^T^H^E
 ^L^O^N^G^E^R ^I^T ^I^S, ^T^H^E ^M^O^R^E ^D^E^C^I^S^I^O^N^S ^I^T ^M^A^K^E^S (^B^R^A^N^C^H^E^S), ^A^N^D ^T^H^E ^M^O^R^E
 ^F^U^N^C^T^I^O^N^S ^I^T ^P^E^R^F^O^R^M^S, ^T^H^E ^M^O^R^E ^C^O^M^P^L^E^X ^A^N^D ^U^N^R^E^L^I^A^B^L^E ^I^T ^T^E^N^D^S ^T^O
 ^B^E.
  
 I^N ^O^R^D^E^R ^T^O ^R^E^D^U^C^E ^C^O^M^P^L^E^X^I^T^Y, ^T^H^E ^F^O^L^L^O^W^I^N^G ^G^U^I^D^E^L^I^N^E^S ^A^R^E ^T^O ^B^E 
 ^F^O^L^L^O^W^E^D ^W^H^E^N^E^V^E^R ^P^O^S^S^I^B^L^E (^I.^E., ^N^O^T ^I^M^P^O^S^S^I^B^L^E).
  
     1.  O^N^E ^R^O^U^T^I^N^E - ^O^N^E ^F^U^N^C^T^I^O^N.  E^A^C^H ^R^O^U^T^I^N^E ^S^H^O^U^L^D ^H^A^V^E ^O^N^E 
         ^C^L^E^A^R^L^Y ^D^E^F^I^N^E^D ^F^U^N^C^T^I^O^N.
  
     2.  10-T^A^G ^R^U^L^E.  I^F ^T^H^E^R^E ^A^R^E ^M^O^R^E ^T^H^A^N 10 ^B^R^A^N^C^H^I^N^G ^L^O^C^A^T^I^O^N^S 
         ^W^I^T^H^I^N ^A ^R^O^U^T^I^N^E, ^I^T ^I^S ^M^O^S^T ^L^I^K^E^L^Y ^A^T^T^E^M^P^T^I^N^G ^T^O ^P^E^R^F^O^R^M 
         ^T^O^O ^M^A^N^Y ^F^U^N^C^T^I^O^N^S (^S^E^E 1 ^A^B^O^V^E).  I^T ^S^H^O^U^L^D ^B^E ^C^O^N^S^I^D^E^R^E^D ^A 
         ^C^A^N^D^I^D^A^T^E ^T^O ^B^E ^B^R^O^K^E^N ^U^P ^I^N^T^O ^F^U^N^C^T^I^O^N^A^L ^U^N^I^T^S. 
  
     3.  C^O^D^E M^O^D^I^F^I^C^A^T^I^O^N.  M^I^N^I^M^I^Z^E ^W^I^T^H^I^N ^R^O^U^T^I^N^E^S, ^A^V^O^I^D ^B^E^T^W^E^E^N 
         ^R^O^U^T^I^N^E^S.  I^F ^U^S^E^D ^B^E^T^W^E^E^N ^R^O^U^T^I^N^E^S, ^D^O^C^U^M^E^N^T ^T^H^O^R^O^U^G^H^L^Y.
  
     4.  H^I^D^D^E^N V^A^R^I^A^B^L^E^S.  D^A^T^A ^P^L^A^C^E^D ^I^N ^A ^R^E^G^I^S^T^E^R ^W^I^T^H ^T^H^E ^H^O^P^E 
         ^O^F ^B^E^I^N^G ^U^S^E^D ^A^T ^S^O^M^E ^L^A^T^E^R ^T^I^M^E ^O^F^T^E^N ^M^A^Y ^N^O^T ^S^U^R^V^I^V^E ^T^O
         ^I^T^S ^D^E^S^T^I^N^A^T^I^O^N.  C^O^N^S^I^D^E^R ^G^L^O^B^A^L ^V^A^R^I^A^B^L^E^S ^F^O^R 
         ^I^N^T^E^R-^R^O^U^T^I^N^E ^C^O^M^M^U^N^I^C^A^T^I^O^N, ^E^S^P^E^C^I^A^L^L^Y ^W^H^E^N ^T^H^E^R^E ^A^R^E ^O^N^E 
         ^O^R ^M^O^R^E ^R^O^U^T^I^N^E^S ^I^N^T^E^R^V^E^N^I^N^G.  I^N ^A^N^Y ^C^A^S^E, ^A^L^L ^E^X^I^T 
         ^C^O^N^D^I^T^I^O^N^S ^F^R^O^M ^A ^R^O^U^T^I^N^E ^M^U^S^T ^B^E ^D^O^C^U^M^E^N^T^E^D.
  
     5.  C^O^D^E ^F^O^R ^T^H^E F^U^T^U^R^E.  A^L^W^A^Y^S ^C^O^N^S^I^D^E^R ^T^H^E ^I^M^P^L^I^C^A^T^I^O^N^S ^O^F
         ^D^E^B^U^G^G^I^N^G, ^M^O^D^I^F^I^C^A^T^I^O^N, ^A^N^D ^M^A^I^N^T^E^N^A^N^C^E; ^S^T^R^U^C^T^U^R^E ^C^O^D^E ^T^O
         ^M^A^K^E ^T^H^E^S^E ^T^A^S^K^S ^E^A^S^I^E^R. 
  
  
 4.0 MISCELLANEOUS
  
  
 4.1 PROGRAM NAMING 
  
  
 4.1.1 LENGTH OF PROGRAM NAME 
  
 P^E^R^I^P^H^E^R^A^L ^P^R^O^C^E^S^S^O^R ^P^R^O^G^R^A^M ^N^A^M^E^S ^A^R^E 3 ^C^H^A^R^A^C^T^E^R^S ^L^O^N^G. 
  
 C^E^N^T^R^A^L P^R^O^C^E^S^S^O^R ^P^R^O^G^R^A^M ^N^A^M^E^S ^A^R^E 4 ^T^O 7 ^C^H^A^R^A^C^T^E^R^S ^L^O^N^G. 
  
  
1                                                           PAGE    49
  
  
 4.1.2 RESERVED NAMES 
  
 T^H^E ^F^O^L^L^O^W^I^N^G PP ^P^R^O^G^R^A^M ^N^A^M^E^S ^A^R^E ^R^E^S^E^R^V^E^D ^O^R ^P^R^E^S^E^N^T^L^Y ^D^E^F^I^N^E^D ^F^O^R
 ^U^S^E (^X ^M^E^A^N^S ^A^N^Y ^C^H^A^R^A^C^T^E^R ^L^E^G^A^L ^I^N ^A PP ^P^R^O^G^R^A^M ^N^A^M^E ^A^N^D ^N ^M^E^A^N^S 
 ^A^N^Y ^N^U^M^B^E^R ^B^E^T^W^E^E^N 0 - 9)@D
  
         U^X^X       R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N^S
         ^NU^X       R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N^S
         9AA-9T9   R^E^S^E^R^V^E^D ^F^O^R ^S^Y^S^T^E^M ^U^S^E 
         9VA-9Z9   R^E^S^E^R^V^E^D ^F^O^R ^S^Y^S^T^E^M ^U^S^E 
         90A-929   R^E^S^E^R^V^E^D ^F^O^R ^D^I^A^G^N^O^S^T^I^C^S
         93A-939   R^E^S^E^R^V^E^D ^F^O^R ^S^Y^S^T^E^M ^U^S^E 
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^N^A^M^E^S ^A^R^E ^C^U^R^R^E^N^T^L^Y ^U^S^E^D ^B^Y NOS@D
  
         6^X^X       C^A^L^L^A^B^L^E ^M^A^S^S ^S^T^O^R^A^G^E ^D^R^I^V^E^R^S 
         7^X^X       M^A^S^S ^S^T^O^R^A^G^E ^E^R^R^O^R ^P^R^O^C^E^S^S^I^N^G ^O^V^E^R^L^A^Y^S
         9AA-9D9   DSD ^O^V^E^R^L^A^Y^S 
         9EA-9F9   DIS ^O^V^E^R^L^A^Y^S 
         9GA-9G9   O26 ^O^V^E^R^L^A^Y^S 
         0^X^X       L^O^C^A^T^I^O^N ^F^R^E^E ^O^V^E^R^L^A^Y^S
         0C^X       C^O^N^T^R^O^L^W^A^R^E ^I^D^E^N^T^I^F^I^C^A^T^I^O^N ^P^R^O^C^E^S^S^O^R^S 
         0P^X       P^A^C^K ^N^U^M^B^E^R ^I^D^E^N^T^I^F^I^C^A^T^I^O^N ^P^R^O^C^E^S^S^O^R^S
         0T^X       A^U^T^O^M^A^T^I^C ^T^R^A^C^K ^F^L^A^W ^P^R^O^C^E^S^S^O^R^S
         U^X^XL      PPCOM ^S^Y^M^B^O^L - ^R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N^S
         U^X^XM      PPCOM ^S^Y^M^B^O^L - ^R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N^S
         U^X^XN      PPCOM ^S^Y^M^B^O^L - ^R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N^S
         U^X^XP      PPCOM ^S^Y^M^B^O^L - ^R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N^S
         U^X^XW      PPCOM ^S^Y^M^B^O^L - ^R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N^S
  
 I^N ^G^E^N^E^R^A^L, ^T^A^G^S ^B^E^G^I^N^N^I^N^G ^W^I^T^H U ^S^H^O^U^L^D ^N^O^T ^B^E ^U^S^E^D ^A^S ^T^A^G^S ^I^N
 NOSTEXT, COMSXXX ^D^E^C^K^S, ^E^T^C. ^O^R ^A^S ^M^A^C^R^O ^N^A^M^E^S ^I^N COMCMAC, COMPMAC,
 ^E^T^C.  T^H^E^S^E ^T^A^G^S ^S^H^O^U^L^D ^B^E ^R^E^S^E^R^V^E^D ^F^O^R ^I^N^S^T^A^L^L^A^T^I^O^N ^U^S^E. 
  
  
 4.1.3 COMMON DECK NAMES
  
 C^O^M^M^O^N ^D^E^C^K ^N^A^M^E^S ^A^R^E ^S^E^V^E^N ^C^H^A^R^A^C^T^E^R^S ^I^N ^L^E^N^G^T^H ^A^N^D ^I^N ^T^H^E
 ^F^O^L^L^O^W^I^N^G ^F^O^R^M@D
  
         COM^X^A^A^A
  
1                                                           PAGE    50
  
  
 ^W^H^E^R^E@D 
  
     ^A^A^A =     T^H^E ^N^A^M^E ^O^F ^T^H^E ^R^O^U^T^I^N^E ^O^R ^A ^S^Y^M^B^O^L^I^C ^N^A^M^E ^I^F ^N^O 
               ^R^O^U^T^I^N^E ^N^A^M^E. 
     X   =     O^N^E ^O^F ^T^H^E ^F^O^L^L^O^W^I^N^G ^C^O^M^M^O^N ^D^E^C^K ^I^N^D^I^C^A^T^O^R^S@D
                    C = CPU ^C^O^D^E
                    P = PP ^C^O^D^E 
                    S = S^U^B^S^Y^S^T^E^M ^T^E^X^T ^S^Y^M^B^O^L^S, ^C^O^N^S^T^A^N^T^S ^E^T^C. 
                    D = D^I^S^P^L^A^Y ^D^R^I^V^E^R ^C^O^D^E 
                    T = T^A^B^L^E^S 
                    M = M^A^S^S ^S^T^O^R^A^G^E ^E^R^R^O^R ^E^Q^U^I^V^A^L^E^N^T^S
                    B = D^A^T^A ^M^A^N^A^G^E^R
                    K = T^R^A^N^S^A^C^T^I^O^N ^S^U^B^S^Y^S^T^E^M
                    I = I^N^I^T^I^A^L^I^Z^A^T^I^O^N 
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^I^N^D^I^C^A^T^O^R^S ^A^R^E ^R^E^S^E^R^V^E^D ^F^O^R SYMPL ^C^O^M^M^O^N ^D^E^C^K^S@D A, E, 
 U, Z.
  
  
 4.2 CODE TRANSMITTAL RULES 
  
 C^O^D^E ^W^H^I^C^H ^I^S ^T^O ^B^E ^I^N^T^E^G^R^A^T^E^D ^I^N^T^O ^A ^S^Y^S^T^E^M ^B^U^I^L^D ^F^O^R ^E^V^E^N^T^U^A^L 
 ^R^E^L^E^A^S^E ^T^O ^T^H^E ^F^I^E^L^D ^I^S ^I^D^E^N^T^I^F^I^E^D ^A^N^D ^F^O^R^M^A^T^T^E^D ^A^S ^D^E^S^C^R^I^B^E^D ^I^N 
 ^T^H^I^S ^S^E^C^T^I^O^N. 
  
  
 4.2.1 GENERAL RULES
  
 E^A^C^H ^E^X^T^E^R^N^A^L PSR ^B^E^I^N^G ^A^N^S^W^E^R^E^D ^H^A^S ^A ^C^O^R^R^E^S^P^O^N^D^I^N^G ^C^O^R^R^E^C^T^I^V^E ^C^O^D^E
 ^I^D^E^N^T^I^F^I^E^R (^T^O ^B^E ^D^E^S^C^R^I^B^E^D ^L^A^T^E^R).  C^O^R^R^E^C^T^I^V^E ^C^O^D^E ^A^N^S^W^E^R^I^N^G ^O^T^H^E^R
 PSR^S ^I^S ^N^O^T ^I^N^C^L^U^D^E^D ^I^N ^T^H^E ^M^O^D^I^F^I^C^A^T^I^O^N ^U^N^D^E^R ^T^H^I^S ^I^D^E^N^T^I^F^I^E^R.
 E^X^C^E^P^T^I^O^N^S ^A^R^E ^A^L^L^O^W^E^D ^W^H^E^R^E ^R^E^Q^U^I^R^E^D ^B^Y ^I^N^T^E^R^R^E^L^A^T^E^D ^M^O^D^I^F^I^C^A^T^I^O^N^S 
 ^F^O^R ^S^E^V^E^R^A^L PSR^S. 
  
 C^O^R^R^E^C^T^I^O^N^S ^A^R^E ^P^L^A^C^E^D ^I^N ^A^S^C^E^N^D^I^N^G ^N^U^M^E^R^I^C^A^L ^O^R^D^E^R; ^I. ^E., ^T^H^E 
 ^C^O^R^R^E^C^T^I^O^N^S ^A^R^E ^S^O^R^T^E^D ^I^N ^T^H^E ^S^A^M^E ^O^R^D^E^R ^T^H^A^T ^T^H^E ^L^I^N^E^S ^B^E^I^N^G 
 ^C^O^R^R^E^C^T^E^D ^A^P^P^E^A^R ^O^N ^T^H^E ^P^R^O^G^R^A^M ^L^I^B^R^A^R^Y.  I^F ^A ^S^I^N^G^L^E ^M^O^D^I^F^I^C^A^T^I^O^N 
 ^C^H^A^N^G^E^S ^S^E^V^E^R^A^L ^D^E^C^K^S, ^T^H^E^N ^T^H^E ^C^O^R^R^E^C^T^I^O^N^S ^A^R^E ^A^L^S^O ^S^O^R^T^E^D ^I^N ^T^H^E
 ^O^R^D^E^R ^T^H^A^T ^T^H^E ^D^E^C^K^S ^A^P^P^E^A^R ^O^N ^T^H^E ^P^R^O^G^R^A^M ^L^I^B^R^A^R^Y.
  
 C^O^R^R^E^C^T^I^O^N^S ^M^O^D^I^F^Y^I^N^G ^L^I^N^E^S ^W^I^T^H ^P^R^E^V^I^O^U^S^L^Y ^M^O^D^I^F^I^E^D ^S^E^Q^U^E^N^C^E
 ^N^U^M^B^E^R^S ^I^N^C^L^U^D^E ^T^H^E ^L^I^N^E ^N^U^M^B^E^R ^O^F ^T^H^E ^N^E^A^R^E^S^T ^P^R^E^C^E^D^I^N^G ^O^R^I^G^I^N^A^L
 ^L^I^N^E ^I^N ^P^A^R^E^N^T^H^E^S^I^S ^I^N ^T^H^E ^C^O^M^M^E^N^T^S ^F^I^E^L^D ^O^F ^T^H^E ^M^O^D^I^F^Y ^D^I^R^E^C^T^I^V^E.
  
  
 4.2.2 MODSET FORMAT
  
1                                                           PAGE    51
  
  
 4.2.2.1 MODSET IDENTIFIER
  
 S^E^P^A^R^A^T^E ^M^O^D^S^E^T ^N^A^M^E ^L^I^S^T^S ^A^R^E ^M^A^I^N^T^A^I^N^E^D ^F^O^R NOS 1 (R5.5) ^A^N^D NOS 2
 (R6.0).  P^R^O^C^E^S^S^E^S ^F^O^R ^N^A^M^I^N^G ^M^O^D^S^E^T^S ^A^R^E ^I^D^E^N^T^I^C^A^L, ^E^X^C^E^P^T ^F^O^R 
 ^M^U^L^T^I^P^L^E ^D^E^C^K ^M^O^D^S^E^T^S (NS1^X^X^X ^A^N^D NS2^X^X^X), ^D^O^C^U^M^E^N^T^A^T^I^O^N ^M^O^D^S^E^T^S 
 (DOK1^X^X^X ^A^N^D DOK2^X^X^X), ^A^N^D ^R^E^L^E^A^S^E ^F^E^A^T^U^R^E ^M^O^D^S^E^T^S (FN1^X^X^X ^A^N^D
 FN2^X^X^X).  A ^M^O^D^S^E^T ^N^A^M^E^D 1CD4 ^I^N NOS 1, ^F^O^R ^E^X^A^M^P^L^E, ^H^A^S ^N^O 
 ^R^E^L^A^T^I^O^N^S^H^I^P ^T^O ^M^O^D^S^E^T 1CD4 ^I^N NOS2. 
  
 Y^O^U ^S^H^O^U^L^D ^N^O^T ^S^I^G^N ^U^P ^F^O^R ^A ^M^O^D^S^E^T ^N^A^M^E ^U^N^T^I^L ^A^F^T^E^R ^C^O^D^E ^H^A^S ^B^E^E^N 
 ^G^E^N^E^R^A^T^E^D ^A^N^D ^T^E^S^T^E^D, ^A^N^D ^D^E^P^E^N^D^I^N^G ^O^N ^T^H^E ^S^I^Z^E ^O^F ^T^H^E ^M^O^D^S^E^T, ^E^V^E^N
 ^A^F^T^E^R ^C^O^D^E ^R^E^V^I^E^W ^H^A^S ^T^A^K^E^N ^P^L^A^C^E.  T^H^I^S ^A^L^L^O^W^S ^O^T^H^E^R ^A^N^A^L^Y^S^T^S 
 ^S^U^B^M^I^T^T^I^N^G ^C^O^D^E ^T^O ^G^E^T ^T^H^E ^N^E^X^T ^A^V^A^I^L^A^B^L^E ^M^O^D^S^E^T ^N^A^M^E.  Y^O^U ^S^H^O^U^L^D
 ^N^O^T ^R^E^Q^U^E^S^T ^M^O^D^S^E^T ^N^A^M^E^S ^F^O^R ^M^O^D^S^E^T^S ^N^O^T ^T^O ^B^E ^I^N^C^L^U^D^E^D ^I^N ^T^H^E
 ^C^U^R^R^E^N^T ^S^E^R^I^E^S ^O^F ^B^U^I^L^D^S; ^Y^O^U ^S^H^O^U^L^D ^N^O^T ^R^E^Q^U^E^S^T ^F^E^A^T^U^R^E ^M^O^D^S^E^T 
 ^N^A^M^E^S ^F^O^R ^A ^F^U^T^U^R^E ^R^E^L^E^A^S^E ^U^N^T^I^L ^F^E^A^T^U^R^E ^C^O^D^E ^F^O^R ^T^H^E ^C^U^R^R^E^N^T 
 ^R^E^L^E^A^S^E ^I^S ^C^O^M^P^L^E^T^E.  I^F ^Y^O^U ^S^I^G^N ^U^P ^F^O^R ^A ^M^O^D^S^E^T ^N^A^M^E ^A^N^D ^D^O^N'^T ^U^S^E
 ^I^T, ^N^O^T^I^F^Y C^O^D^E C^O^N^T^R^O^L ^S^O ^T^H^A^T ^T^H^E ^M^O^D^S^E^T ^N^A^M^E ^C^A^N ^B^E ^U^S^E^D ^B^Y
 ^S^O^M^E^O^N^E ^E^L^S^E. 
  
 T^H^E ^M^O^D^S^E^T ^N^A^M^E ^C^O^N^S^I^S^T^S ^O^F ^T^H^R^E^E ^T^O ^F^I^V^E ^A^L^P^H^A^N^U^M^E^R^I^C ^C^H^A^R^A^C^T^E^R^S 
 ^W^H^I^C^H ^A^R^E ^E^X^T^R^A^C^T^E^D ^F^R^O^M ^T^H^E ^D^E^C^K ^N^A^M^E ^F^O^L^L^O^W^E^D ^B^Y ^A 1 ^T^O 3 ^D^I^G^I^T
 ^S^E^Q^U^E^N^C^E ^N^U^M^B^E^R.  T^H^E ^M^O^D^S^E^T ^N^A^M^E ^C^A^N^N^O^T ^E^X^C^E^E^D 7 ^C^H^A^R^A^C^T^E^R^S.
  
 1.  F^O^R ^C^O^M^M^O^N ^D^E^C^K^S ^T^H^A^T ^B^E^G^I^N ^W^I^T^H "COM" ^U^S^E ^T^H^E ^L^A^S^T ^F^O^U^R 
     ^C^H^A^R^A^C^T^E^R^S ^O^F ^T^H^E ^N^A^M^E (^E^X^A^M^P^L^E - CMAC4 ^I^S ^A ^M^O^D^S^E^T ^I^N ^D^E^C^K 
     COMCMAC).
  
 2.  F^O^R PP ^P^R^O^G^R^A^M^S ^U^S^E ^T^H^E ^T^H^R^E^E ^C^H^A^R^A^C^T^E^R ^P^R^O^G^R^A^M ^N^A^M^E (^E^X^A^M^P^L^E -
     CPM2 ^I^S ^A ^M^O^D^S^E^T ^I^N ^D^E^C^K CPM).
  
 3.  A^L^L ^O^T^H^E^R ^D^E^C^K^S ^U^S^E ^T^H^E ^F^I^R^S^T ^F^I^V^E ^C^H^A^R^A^C^T^E^R^S ^O^F ^T^H^E ^D^E^C^K ^N^A^M^E;
     ^I^F ^T^H^E ^D^E^C^K ^N^A^M^E ^I^S ^L^E^S^S ^T^H^A^N ^S^I^X ^C^H^A^R^A^C^T^E^R^S ^U^S^E ^T^H^E ^E^N^T^I^R^E ^D^E^C^K 
     ^N^A^M^E (^E^X^A^M^P^L^E - LIBED2 ^I^S ^A ^M^O^D^S^E^T ^I^N ^D^E^C^K LIBEDIT). 
  
 4.  M^O^D^I^F^I^C^A^T^I^O^N^S ^W^H^I^C^H ^I^N^V^O^L^V^E ^M^U^L^T^I^P^L^E ^D^E^C^K^S ^A^R^E ^G^I^V^E^N ^T^H^E ^M^O^D^S^E^T
     ^N^A^M^E@D 
               NS1^X^X^X    ^I^F NOS 1, 
               NS2^X^X^X    ^I^F NOS 2. 
  
     E^X^A^M^P^L^E - NS1001 ^I^S ^A ^M^U^L^T^I^P^L^E ^D^E^C^K ^M^O^D^S^E^T ^I^N NOS 1.
              NS2001 ^I^S ^A ^M^U^L^T^I^P^L^E ^D^E^C^K ^M^O^D^S^E^T ^I^N NOS 2. 
  
 5.  M^O^D^I^F^I^C^A^T^I^O^N^S ^W^H^I^C^H ^O^N^L^Y ^C^O^R^R^E^C^T ^D^O^C^U^M^E^N^T^A^T^I^O^N ^W^I^T^H^I^N ^A ^D^E^C^K ^A^R^E
     ^G^A^T^H^E^R^E^D ^T^O^G^E^T^H^E^R ^F^O^R ^E^A^C^H ^C^O^R^R^E^C^T^I^V^E ^C^O^D^E ^R^E^L^E^A^S^E ^A^N^D ^G^I^V^E^N ^T^H^E
     ^M^O^D^S^E^T ^N^A^M^E@D
               DOK1^X^X^X   ^I^F NOS 1, 
               DOK2^X^X^X   ^I^F NOS 2. 
  
     E^X^A^M^P^L^E - DOK1006 ^I^S ^A NOS 1 ^M^O^D^S^E^T.
               DOK2006 ^I^S ^A NOS 2 ^M^O^D^S^E^T.
  
1                                                           PAGE    52
  
  
     T^H^I^S ^D^O^E^S ^N^O^T ^I^N^C^L^U^D^E ^L^I^N^E^S ^O^F ^C^O^D^E ^W^H^I^C^H ^H^A^V^E ^D^O^C^U^M^E^N^T^A^T^I^O^N 
     ^C^H^A^N^G^E^S ^I^N ^T^H^E^M.
  
 6.  I^F ^A ^M^O^D^S^E^T ^I^S ^A^D^D^I^N^G ^A ^N^E^W ^F^E^A^T^U^R^E, ^T^H^E ^F^E^A^T^U^R^E ^M^O^D^S^E^T ^N^A^M^E ^F^O^R 
     ^E^A^C^H ^D^E^C^K ^M^O^D^I^F^I^E^D ^I^S ^O^B^T^A^I^N^E^D ^F^R^O^M NOS C^O^D^E C^O^N^T^R^O^L. 
  
 7.  U^P^O^N ^R^E^L^E^A^S^E ^O^F ^T^H^E ^S^Y^S^T^E^M, ^A "^C^O^M^P^O^S^I^T^E" ^M^O^D^S^E^T ^I^S ^G^E^N^E^R^A^T^E^D
     ^F^R^O^M ^A^L^L ^F^E^A^T^U^R^E ^C^O^D^E ^W^H^I^C^H ^I^S ^T^O ^B^E ^R^E^L^E^A^S^E^D.
  
  
 4.2.2.2 MODSET CORRECTION LETTER 
  
 W^H^E^N ^A ^M^O^D^S^E^T ^I^S ^C^O^R^R^E^C^T^I^N^G ^A ^P^R^E^V^I^O^U^S ^M^O^D^S^E^T, ^O^N^E ^A^L^P^H^A^B^E^T^I^C
 ^C^H^A^R^A^C^T^E^R (^S^T^A^R^T^I^N^G ^W^I^T^H A) ^W^I^L^L ^B^E ^A^P^P^E^N^D^E^D ^T^O ^T^H^E ^S^E^Q^U^E^N^C^E 
 ^N^U^M^B^E^R.  W^H^E^N^E^V^E^R ^A ^M^O^D^S^E^T ^C^O^R^R^E^C^T^I^O^N ^L^E^T^T^E^R ^O^F "B" ^O^R ^A^B^O^V^E ^I^S 
 ^R^E^Q^U^I^R^E^D, ^T^H^E ^C^O^M^M^E^N^T^S ^H^E^A^D^E^R ^O^F ^T^H^E ^M^O^D^S^E^T ^M^U^S^T ^I^N^D^I^C^A^T^E ^W^H^I^C^H 
 ^P^R^E^V^I^O^U^S ^M^O^D^S^E^T ^I^S ^B^E^I^N^G ^C^O^R^R^E^C^T^E^D.
  
  
 4.2.2.3 OVERFLOW 
  
 W^H^E^N^E^V^E^R ^A ^M^O^D^S^E^T ^I^D^E^N^T^I^F^I^E^R ^U^S^I^N^G ^T^H^E ^A^B^O^V^E ^C^O^N^V^E^N^T^I^O^N^S ^E^X^C^E^E^D^S
 ^S^E^V^E^N ^C^H^A^R^A^C^T^E^R^S, ^T^R^U^N^C^A^T^E ^T^H^E ^L^A^S^T ^C^H^A^R^A^C^T^E^R(^S) ^O^F ^T^H^E ^D^E^C^K ^N^A^M^E ^T^O
 ^R^E^D^U^C^E ^T^H^E ^I^D^E^N^T^I^F^I^E^R ^T^O ^S^E^V^E^N ^C^H^A^R^A^C^T^E^R^S. 
  
  
 4.2.2.4 MODSET EXAMPLE 
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^F^O^R^M^A^T ^I^S ^U^S^E^D ^F^O^R ^C^O^R^R^E^C^T^I^V^E ^C^O^D^E ^M^O^D^S^E^T^S@D
  
     1       11        18             30         (^C^O^L^U^M^N ^N^U^M^B^E^R^S)
     +-------+---------+--------------+ 
  
     ^I^D^E^N^T 
     *IDENT  ^I^D^E^N^T     ^I^N^I^T^I^A^L^S.      ^Y^Y/^M^M/^D^D.
     */      ****      ^S^Y^S^T^E^M.
     */      ****      PSR ^N^U^M^B^E^R.
     */      ****      REQUIRES - ^M^O^D^S^E^T. 
     */      *****     PROBLEM - ^P^R^O^B^L^E^M ^D^E^S^C^R^I^P^T^I^O^N. 
     */      (^C^O^N^T^I^N^U^A^T^I^O^N ^O^F ^P^R^O^B^L^E^M ^D^E^S^C^R^I^P^T^I^O^N). 
     */ 
     */      SOLUTION - ^S^O^L^U^T^I^O^N ^D^E^S^C^R^I^P^T^I^O^N.
     */      (^C^O^N^T^I^N^U^A^T^I^O^N ^O^F ^S^O^L^U^T^I^O^N ^D^E^S^C^R^I^P^T^I^O^N). 
     */ 
     */      *****     RESUBMITTAL - ^Y^Y/^M^M/^D^D.
     */      R^E^A^S^O^N ^F^O^R ^R^E^S^U^B^M^I^T^T^A^L. 
     *DECK   ^D^E^C^K^N^A^M^E 
     *I,^S^E^Q^U^E^N^C^E ^N^U^M^B^E^R 
     *D,^S^E^Q^U^E^N^C^E ^N^U^M^B^E^R 
     *D,^M^O^D^N^A^M^E.^S^E^Q^U^E^N^C^E ^N^U^M^B^E^R       (^N^E^A^R^E^S^T ^O^R^I^G^I^N^A^L ^S^E^Q. ^N^O.)
     *EDIT   ^D^E^C^K^N^A^M^E                 (^I^F ^C^O^M^M^O^N ^D^E^C^K)
     */      END OF MODSET. 
  
1                                                           PAGE    53
  
  
 W^H^E^R^E@D
  
     ^I^D^E^N^T             = M^O^D^S^E^T ^N^A^M^E. 
  
     ^I^N^I^T^I^A^L^S          = I^N^I^T^I^A^L^S ^O^F ^T^H^E ^A^N^A^L^Y^S^T(^S) ^W^H^O ^W^R^O^T^E ^A^N^D/^O^R 
                         ^T^E^S^T^E^D ^T^H^E ^C^O^D^E.  E^X^A^M^P^L^E - ABC. (^O^N^E
                         ^A^N^A^L^Y^S^T) ABC/ADD. (^T^W^O ^A^N^A^L^Y^S^T^S) 
  
     ^Y^Y/^M^M/^D^D          = D^A^T^E ^O^F ^L^A^S^T ^M^O^D^S^E^T ^C^H^A^N^G^E. 
  
     ^S^Y^S^T^E^M            = N^A^M^E ^O^F ^S^Y^S^T^E^M ^I^N ^W^H^I^C^H ^T^H^E ^M^O^D^S^E^T ^W^I^L^L ^B^E
                         ^R^E^L^E^A^S^E^D.  (^I^E - NOS 1 OS.  O^R NOS 2 OS.) 
  
     PSR ^N^U^M^B^E^R        = T^H^I^S ^L^I^N^E ^M^U^S^T ^A^L^W^A^Y^S ^B^E ^P^R^E^S^E^N^T.  I^F ^M^O^R^E
                         ^T^H^A^N ^O^N^E PSR ^I^S ^A^N^S^W^E^R^E^D, ^L^I^S^T ^T^H^E PSR 
                         ^N^U^M^B^E^R^S ^O^N ^S^E^P^A^R^A^T^E ^L^I^N^E^S.  I^F ^N^O PSR ^I^S
                         ^I^N^V^O^L^V^E^D, ^U^S^E ^T^H^E ^P^H^R^A^S^E@D  NO PSR.
  
     ^M^O^D^S^E^T            = T^H^E REQUIRES ^L^I^N^E^S ^M^U^S^T ^A^L^W^A^Y^S ^B^E ^P^R^E^S^E^N^T. 
                         I^F ^M^O^R^E ^T^H^A^N ^O^N^E ^M^O^D^S^E^T ^I^S ^R^E^Q^U^I^R^E^D (^D^I^R^E^C^T
                         ^O^R ^I^N^D^I^R^E^C^T ^D^E^P^E^N^D^E^N^C^Y), ^L^I^S^T ^T^H^E ^M^O^D^S^E^T^S ^O^N 
                         ^S^E^P^A^R^A^T^E ^L^I^N^E^S.  I^F ^N^O ^D^E^P^E^N^D^E^N^C^Y ^I^S 
                         ^I^N^V^O^L^V^E^D, ^U^S^E ^T^H^E ^P^H^R^A^S^E@D  NONE.
  
 S^I^N^C^E ^M^O^D^S ^T^O ^M^O^D^S ^I^N ^T^H^E ^S^A^M^E ^R^E^L^E^A^S^E ^A^R^E ^N^O^T ^A^L^L^O^W^E^D ^F^O^R PSR ^C^O^D^E
 (^P^H^Y^S^I^C^A^L^L^Y ^D^E^P^E^N^D^E^N^T ^C^O^D^E ^M^U^S^T ^B^E ^I^N ^T^H^E ^S^A^M^E ^M^O^D^S^E^T), ^T^H^E REQUIRES
 ^S^H^O^U^L^D ^S^P^E^C^I^F^Y ^M^O^D^S^E^T^S ^W^I^T^H ^L^O^G^I^C^A^L ^O^R ^S^P^A^C^E ^D^E^P^E^N^D^E^N^C^I^E^S.  M^O^D^S^E^T^S
 ^P^R^E^V^I^O^U^S^L^Y ^R^E^L^E^A^S^E^D ^I^N ^A ^S^T^A^N^D^A^R^D ^S^Y^S^T^E^M ^U^S^U^A^L^L^Y ^S^H^O^U^L^D ^N^O^T ^B^E
 ^I^N^C^L^U^D^E^D.  F^O^R ^I^N^I^T^I^A^L ^T^R^A^N^S^M^I^T^T^A^L ^O^F ^F^E^A^T^U^R^E ^C^O^D^E, REQUIRES - NONE 
 ^S^H^O^U^L^D ^B^E ^U^S^E^D.  F^O^R ^F^E^A^T^U^R^E ^R^E^P^A^I^R ^C^O^D^E, ^T^H^E REQUIRES ^S^H^O^U^L^D
 ^S^P^E^C^I^F^Y ^T^H^O^S^E ^M^O^D^S^E^T^S ^G^O^I^N^G ^I^N^T^O ^T^H^E ^S^A^M^E ^B^U^I^L^D ^T^H^A^T ^A^R^E ^D^E^P^E^N^D^E^N^T 
 ^O^N ^E^A^C^H ^O^T^H^E^R.
  
 T^H^E ^P^R^O^B^L^E^M ^D^E^S^C^R^I^P^T^I^O^N ^S^H^O^U^L^D ^D^E^S^C^R^I^B^E ^T^H^E ^P^R^O^B^L^E^M ^B^E^I^N^G ^F^I^X^E^D ^B^Y 
 ^T^H^E ^M^O^D^S^E^T ^A^N^D ^T^H^E ^I^M^P^A^C^T ^T^H^E ^P^R^O^B^L^E^M ^H^A^S ^O^N ^T^H^E ^U^S^E^R.  T^H^E ^S^O^L^U^T^I^O^N
 ^D^E^S^C^R^I^P^T^I^O^N ^S^H^O^U^L^D ^D^E^S^C^R^I^B^E ^H^O^W ^T^H^E ^P^R^O^B^L^E^M ^W^A^S ^F^I^X^E^D.  E^X^T^E^R^N^A^L
 ^I^N^T^E^R^F^A^C^E ^C^H^A^N^G^E^S ^C^A^U^S^E^D ^B^Y ^T^H^E ^I^N^S^T^A^L^L^A^T^I^O^N ^O^F ^T^H^E ^M^O^D^S^E^T ^S^H^O^U^L^D
 ^A^L^S^O ^B^E ^D^O^C^U^M^E^N^T^E^D.  T^H^E ^P^R^O^B^L^E^M/^S^O^L^U^T^I^O^N ^D^E^S^C^R^I^P^T^I^O^N ^M^A^Y ^B^E
 ^C^O^M^B^I^N^E^D ^I^N^T^O ^O^N^E ^P^A^R^A^G^R^A^P^H ^T^O ^A^V^O^I^D ^R^E^D^U^N^D^A^N^C^Y.
  
 T^H^E *READPL ^D^I^R^E^C^T^I^V^E ^I^S ^N^O^T ^U^S^E^D. 
  
  
 4.3 INTERFACE CONSIDERATIONS 
  
  
1                                                           PAGE    54
  
  
 4.3.1 SYSTEM SUPPLIED INTERFACES 
  
 A^L^L ^I^N^T^E^R^A^C^T^I^O^N^S ^B^E^T^W^E^E^N ^P^R^O^G^R^A^M^S (CPU ^A^N^D PP) ^A^N^D ^T^H^E ^S^Y^S^T^E^M ^U^S^E 
 ^S^Y^S^T^E^M-^S^U^P^P^L^I^E^D ^M^A^C^R^O^S, ^L^I^N^K^A^G^E ^L^A^B^E^L^S ^O^R ^C^O^M^M^O^N ^D^E^C^K^S.  I^N PP
 ^P^R^O^G^R^A^M^S ^T^H^E ^S^Y^S^T^E^M ^D^E^F^I^N^E^D ^D^I^R^E^C^T ^C^E^L^L^S ^A^R^E ^O^N^L^Y ^U^S^E^D ^A^S ^D^E^F^I^N^E^D ^B^Y
 ^T^H^E ^S^Y^S^T^E^M.  (^S^E^E ^S^E^C^T^I^O^N 3.5.3.1)
  
  
 4.3.2 PARAMETER VALIDATION 
  
 E^A^C^H ^P^A^R^A^M^E^T^E^R ^P^A^S^S^E^D ^B^E^T^W^E^E^N ^P^R^O^G^R^A^M^S ^W^I^L^L ^B^E ^V^A^L^I^D^A^T^E^D ^O^R
 ^P^R^O^C^E^S^S^E^D ^I^N ^A ^W^A^Y ^T^H^A^T ^P^R^O^T^E^C^T^S ^T^H^E ^P^R^O^G^R^A^M ^F^R^O^M ^U^N^C^O^N^T^R^O^L^L^E^D
 ^A^C^T^I^O^N^S ^C^A^U^S^E^D ^B^Y ^U^N^E^X^P^E^C^T^E^D ^V^A^L^U^E^S.
  
  
 4.3.3 MEMORY ACCESS
  
 PP ^P^R^O^G^R^A^M^S ^W^H^I^C^H ^A^C^C^E^S^S ^T^H^E ^F^I^E^L^D ^L^E^N^G^T^H ^O^F ^A ^J^O^B ^W^I^L^L ^I^N^S^U^R^E ^T^H^A^T 
 ^N^O ^C^O^M^B^I^N^A^T^I^O^N ^O^F ^P^A^R^A^M^E^T^E^R^S, ^E^R^R^O^R^S, ^E^T^C. ^W^I^L^L ^C^A^U^S^E ^A^C^C^E^S^S ^T^O ^A^N
 ^A^D^D^R^E^S^S ^O^U^T^S^I^D^E ^O^F ^T^H^A^T ^F^I^E^L^D ^L^E^N^G^T^H.  A^D^D^R^E^S^S^E^S ^S^H^O^U^L^D ^B^E ^V^A^L^I^D^A^T^E^D 
 ^P^R^I^O^R ^T^O ^U^S^I^N^G ^T^H^E^M ^F^O^R ^A CM ^R^E^A^D ^O^R ^W^R^I^T^E ^T^O ^A^V^O^I^D ^R^E^F^E^R^E^N^C^I^N^G 
 ^A^R^E^A^S ^O^F ^M^E^M^O^R^Y ^O^U^T^S^I^D^E ^O^F ^T^H^E ^C^O^N^T^R^O^L ^P^O^I^N^T^S ^F^I^E^L^D ^L^E^N^G^T^H. 
  
 A PP ^P^R^O^G^R^A^M ^A^C^C^E^S^S^I^N^G ^T^H^E ^F^I^E^L^D ^L^E^N^G^T^H ^O^F ^A ^C^O^N^T^R^O^L ^P^O^I^N^T ^S^H^O^U^L^D 
 ^I^N^S^U^R^E ^T^H^E ^R^E^L^A^T^I^V^E ^A^D^D^R^E^S^S ^D^O^E^S ^N^O^T ^E^X^C^E^E^D 377777B.
  
  
 4.3.4 SECURITY 
  
 P^R^O^G^R^A^M^S ^T^H^A^T ^P^E^R^F^O^R^M ^P^R^I^V^I^L^E^G^E^D ^F^U^N^C^T^I^O^N^S ^M^U^S^T ^I^N^S^U^R^E ^T^H^A^T ^T^H^E
 ^R^E^Q^U^E^S^T^E^R ^O^F ^T^H^E ^F^U^N^C^T^I^O^N ^H^A^S ^B^E^E^N ^G^I^V^E^N ^P^E^R^M^I^S^S^I^O^N ^B^Y ^T^H^E ^S^Y^S^T^E^M ^T^O
 ^U^S^E ^T^H^E ^F^U^N^C^T^I^O^N.  T^H^I^S ^A^L^S^O ^A^P^P^L^I^E^S ^T^O ^T^H^E ^U^S^E ^O^F ^S^P^E^C^I^A^L ^D^E^V^I^C^E 
 ^D^R^I^V^E^R^S, ^W^H^I^C^H ^C^O^U^L^D ^B^E ^C^A^L^L^E^D ^A^C^C^I^D^E^N^T^A^L^L^Y ^O^R ^M^A^L^I^C^I^O^U^S^L^Y ^B^Y
 ^U^N^A^U^T^H^O^R^I^Z^E^D ^U^S^E^R^S.  W^H^E^R^E ^C^O^M^M^O^N ^D^E^C^K^S ^A^R^E ^A^V^A^I^L^A^B^L^E ^T^O ^C^H^E^C^K
 ^S^E^C^U^R^I^T^Y ^O^R ^P^R^I^V^I^L^E^G^E^S, ^T^H^E^Y ^S^H^O^U^L^D ^B^E ^U^S^E^D ^R^A^T^H^E^R ^T^H^A^N ^L^O^C^A^L^L^Y 
 ^W^R^I^T^T^E^N ^C^O^D^E. 
  
  
 4.3.5 RESERVATIONS AND INTERLOCKS
  
 R^E^S^E^R^V^A^T^I^O^N^S ^A^N^D ^I^N^T^E^R^L^O^C^K^S ^A^R^E ^O^N^L^Y ^U^S^E^D ^A^S ^D^E^F^I^N^E^D ^B^Y ^T^H^E ^S^Y^S^T^E^M
 ^A^N^D ^A^R^E ^R^E^L^E^A^S^E^D ^A^S ^S^O^O^N ^A^S ^P^O^S^S^I^B^L^E.  N^O^N-^E^S^S^E^N^T^I^A^L ^C^O^D^E ^I^S ^N^O^T 
 ^E^X^E^C^U^T^E^D ^W^H^I^L^E ^A ^R^E^S^E^R^V^A^T^I^O^N ^O^R ^I^N^T^E^R^L^O^C^K ^I^S ^I^N ^E^F^F^E^C^T.
  
 I^N ^C^A^S^E^S ^W^H^E^R^E ^A ^R^E^S^E^R^V^A^T^I^O^N ^R^E^J^E^C^T ^C^O^U^L^D ^O^C^C^U^R, ^T^H^E ^P^R^O^G^R^A^M ^W^I^L^L@D 
  
     1.  C^O^N^T^R^O^L ^T^H^E ^R^A^T^E ^O^F ^R^E^S^E^R^V^A^T^I^O^N ^R^E-^I^S^S^U^E. 
     2.  D^E^T^E^C^T ^A^N^D ^R^E^S^P^O^N^D ^T^O ^E^R^R^O^R ^C^O^N^D^I^T^I^O^N^S.
     3.  P^R^O^T^E^C^T ^A^G^A^I^N^S^T ^S^T^O^R^A^G^E ^M^O^V^E ^L^O^C^K^U^P. 
  
1                                                           PAGE    55
  
  
 P^R^O^G^R^A^M^S ^W^H^I^C^H ^U^S^E ^R^E^S^E^R^V^A^T^I^O^N^S ^A^N^D ^I^N^T^E^R^L^O^C^K^S ^W^I^L^L ^I^N^S^U^R^E ^T^H^A^T ^T^H^E 
 ^C^O^N^D^I^T^I^O^N^S ^A^R^E ^R^E^L^E^A^S^E^D ^N^O ^M^A^T^T^E^R ^W^H^A^T ^P^R^O^G^R^A^M ^P^A^T^H ^I^S ^T^A^K^E^N. 
  
 W^H^E^N ^M^U^L^T^I^P^L^E ^I^N^T^E^R^L^O^C^K^S ^A^R^E ^R^E^Q^U^I^R^E^D, ^A^L^L ^P^R^O^G^R^A^M^S ^I^N ^T^H^E ^O^P^E^R^A^T^I^N^G
 ^S^Y^S^T^E^M ^M^U^S^T ^R^E^Q^U^E^S^T ^T^H^E ^I^N^T^E^R^L^O^C^K^S ^I^N ^T^H^E ^S^A^M^E ^O^R^D^E^R.  W^H^E^N ^A ^R^E^J^E^C^T 
 ^O^C^C^U^R^S ^W^H^E^N ^A^T^T^E^M^P^T^I^N^G ^T^O ^O^B^T^A^I^N ^S^U^C^H ^I^N^T^E^R^L^O^C^K^S, ^A^L^L ^R^E^S^E^R^V^A^T^I^O^N^S
 ^H^E^L^D ^M^U^S^T ^B^E ^R^E^L^E^A^S^E^D ^A^N^D ^T^H^E ^E^N^T^I^R^E ^S^E^Q^U^E^N^C^E ^O^F ^I^N^T^E^R^L^O^C^K^I^N^G ^M^U^S^T 
 ^B^E^G^I^N ^A^G^A^I^N. 
  
 C^A^R^E ^M^U^S^T ^B^E ^T^A^K^E^N ^T^O ^N^O^T ^I^S^S^U^E ^D^A^Y^F^I^L^E ^M^E^S^S^A^G^E^S, ^L^O^A^D ^O^V^E^R^L^A^Y^S, ^O^R 
 ^P^A^U^S^E ^W^I^T^H ^N^O^N-^D^E^D^I^C^A^T^E^D ^C^H^A^N^N^E^L(^S) ^R^E^S^E^R^V^E^D. 
  
 A PP ^P^R^O^G^R^A^M ^M^U^S^T ^N^O^T ^H^A^V^E ^A ^D^I^S^K ^C^H^A^N^N^E^L ^R^E^S^E^R^V^E^D ^W^H^E^N ^I^T ^A^T^T^E^M^P^T^S
 ^T^O ^D^O ^A^N STBM ^O^R AFAM ^M^O^N^I^T^O^R ^F^U^N^C^T^I^O^N.  I^F ^N^E^C^E^S^S^A^R^Y, ^A ENDMS 
 ^S^H^O^U^L^D ^B^E ^P^E^R^F^O^R^M^E^D ^T^O ^E^N^S^U^R^E ^T^H^I^S. 
  
  
 4.3.6 DOCUMENTING HARDWARE DEFICIENCIES
  
 I^N^S^T^R^U^C^T^I^O^N^S ^W^H^I^C^H ^A^R^E ^I^N^C^L^U^D^E^D ^T^O ^C^O^M^P^E^N^S^A^T^E ^F^O^R ^H^A^R^D^W^A^R^E 
 ^D^E^F^I^C^I^E^N^C^I^E^S ^A^R^E ^D^O^C^U^M^E^N^T^E^D ^W^I^T^H ^A ^B^R^I^E^F ^D^E^S^C^R^I^P^T^I^O^N ^O^R
 ^I^D^E^N^T^I^F^I^C^A^T^I^O^N ^O^F ^T^H^E ^D^E^F^I^C^I^E^N^C^Y. 
  
  
 4.3.7 NEW FUNCTION/LOW CORE IDENTIFIERS
  
 N^E^W ^T^A^G^S ^I^N PPCOM, ^U^S^E ^O^F ^P^R^E^V^I^O^U^S^L^Y ^R^E^S^E^R^V^E^D ^F^I^E^L^D^S ^I^N CMR ^A^N^D CPA, 
 ^N^E^W PP ^F^U^N^C^T^I^O^N ^N^U^M^B^E^R^S, ^N^E^W ^M^O^N^I^T^O^R ^F^U^N^C^T^I^O^N ^N^U^M^B^E^R^S, ^E^T^C. ^M^U^S^T ^B^E
 ^S^I^G^N^E^D ^U^P ^F^O^R ^V^I^A ^T^H^E DSO (D^E^S^I^G^N S^U^P^P^O^R^T O^F^F^I^C^E).
  
  
 4.3.8 DECK INTERDEPENDENCIES 
  
 B^E^W^A^R^E ^O^F ^D^E^C^K ^I^N^T^E^R^D^E^P^E^N^D^E^N^C^I^E^S ^W^H^I^C^H ^M^A^Y ^R^E^Q^U^I^R^E ^A^D^D^I^T^I^O^N^A^L 
 ^C^O^D^E/^M^O^D^S^E^T^S, ^S^U^C^H ^A^S PPCOM ^A^N^D COMSXXX ^C^H^A^N^G^E^S ^A^F^F^E^C^T^I^N^G DSDI, DIS
 ^C^H^A^N^G^E^S ^T^H^A^T ^S^H^O^U^L^D ^A^L^S^O ^B^E ^M^A^D^E ^I^N XIS, ^A^N^D COMCXXX/COMDXXX/COMPXXX/
 COMSXXX/COMTXXX, ^E^T^C. ^C^H^A^N^G^E^S ^C^A^U^S^I^N^G CALLCPU/CALLDIS/CALLPPU/
 CALLSYS/CALLTAB, ^E^T^C. ^T^O ^N^O^T ^A^S^S^E^M^B^L^E ^W^I^T^H^O^U^T ^L^O^T^S ^O^F ^E^R^R^O^R^S. 
  
  
 4.4 MODULARITY 
  
  
 4.4.1 PP OVERLAYS
  
 PP P^R^O^G^R^A^M^S ^U^S^E ^O^V^E^R^L^A^Y^S ^W^H^E^N^E^V^E^R ^P^O^S^S^I^B^L^E ^T^O ^I^M^P^R^O^V^E ^T^H^E ^L^O^N^G ^R^A^N^G^E
 ^P^E^R^F^O^R^M^A^N^C^E ^O^F ^T^H^E ^S^Y^S^T^E^M.  O^V^E^R^L^A^Y^S ^A^R^E ^U^S^E^D ^F^O^R ^A^N^Y ^S^E^L^D^O^M 
 ^E^X^E^C^U^T^E^D ^C^O^D^E ^S^U^C^H ^A^S ^E^R^R^O^R ^H^A^N^D^L^I^N^G ^A^N^D ^S^E^L^D^O^M ^U^S^E^D ^F^E^A^T^U^R^E^S. 
  
  
1                                                           PAGE    56
  
  
 4.4.2 HELPER PP-S
  
 H^E^L^P^E^R PP^S ^A^R^E ^N^O^T ^U^S^E^D ^U^N^L^E^S^S ^N^O ^O^T^H^E^R ^M^E^T^H^O^D ^E^X^I^S^T^S.  T^H^E 
 ^A^V^A^I^L^A^B^I^L^I^T^Y ^O^F PP^S ^W^H^E^N ^N^E^E^D^E^D ^S^H^O^U^L^D ^B^E ^C^O^N^S^I^D^E^R^E^D, ^S^I^N^C^E ^T^H^E ^U^S^E
 ^O^F ^H^E^L^P^E^R PP'^S ^M^A^Y ^L^E^A^D ^T^O ^D^E^A^D^L^O^C^K^S ^I^F ^N^O PP'^S ^A^R^E ^A^V^A^I^L^A^B^L^E. 
  
  
 4.4.3 COMMON DECKS 
  
 A ^C^O^M^M^O^N ^D^E^C^K ^C^O^N^T^A^I^N^I^N^G ^E^X^E^C^U^T^A^B^L^E ^C^O^D^E ^C^O^N^S^I^S^T^S ^O^F ^O^N^E ^O^R ^M^O^R^E
 ^S^U^B^R^O^U^T^I^N^E^S (^A^S ^D^E^F^I^N^E^D ^I^N ^S^E^C^T^I^O^N^S 3.2.6 ^A^N^D 3.2.7) ^A^N^D ^A^N^Y
 ^A^S^S^O^C^I^A^T^E^D ^D^A^T^A ^S^T^O^R^A^G^E ^A^R^E^A^S.  T^H^E ^P^U^R^P^O^S^E ^O^F ^C^O^M^M^O^N ^D^E^C^K^S ^I^S ^T^O
 ^I^N^C^R^E^A^S^E ^E^F^F^I^C^I^E^N^C^Y ^I^N ^W^R^I^T^I^N^G ^C^O^D^E, ^I^N^S^U^R^E ^U^N^I^F^O^R^M^I^T^Y ^O^F ^C^O^D^E ^A^N^D 
 ^D^E^C^R^E^A^S^E ^D^E^B^U^G^G^I^N^G ^T^I^M^E.  C^O^M^M^O^N ^D^E^C^K^S ^C^O^N^T^A^I^N ^O^P^T^I^M^I^Z^E^D ^C^O^D^E ^A^N^D
 ^E^X^T^E^R^N^A^L ^I^N^T^E^R^F^A^C^E^S ^T^H^A^T ^A^R^E ^G^E^N^E^R^A^L^I^Z^E^D ^T^O ^F^A^C^I^L^I^T^A^T^E ^T^H^E^I^R ^U^S^E ^I^N
 ^F^U^T^U^R^E ^P^R^O^G^R^A^M^S.  T^H^E^S^E ^D^E^C^K^S ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^N ^P^R^E^F^E^R^E^N^C^E ^T^O ^L^O^C^A^L
 ^C^O^D^E ^W^H^E^N^E^V^E^R ^P^O^S^S^I^B^L^E.
  
 C^O^M^M^O^N D^E^C^K^S ^W^H^I^C^H ^C^O^N^T^A^I^N ^O^N^L^Y ^M^A^C^R^O^S ^A^R^E ^N^O^T ^Q^U^A^L^I^F^I^E^D.  "S" ^T^Y^P^E
 ^C^O^M^M^O^N ^D^E^C^K^S ^A^R^E ^N^O^T ^Q^U^A^L^I^F^I^E^D ^B^Y ^T^H^E QUAL ^P^S^E^U^D^O-^O^P ^W^I^T^H^I^N ^T^H^E
 ^C^O^M^M^O^N ^D^E^C^K.  I^F ^A^N "S" ^T^Y^P^E ^C^O^M^M^O^N ^D^E^C^K ^I^S ^Q^U^A^L^I^F^I^E^D ^E^X^T^E^R^N^A^L^L^Y,
 ^T^H^E ^Q^U^A^L^I^F^I^E^R ^I^S ^T^H^E ^T^H^R^E^E ^C^H^A^R^A^C^T^E^R ^N^A^M^E ^O^F ^T^H^E ^R^O^U^T^I^N^E.  F^O^R
 ^E^X^A^M^P^L^E@D 
  
               COMS^A^A^A        (^W^H^E^R^E ^A^A^A ^I^S ^T^H^E ^Q^U^A^L^I^F^I^E^R) 
  
  
 4.5 DAYFILE MESSAGES 
  
 D^A^Y^F^I^L^E ^M^E^S^S^A^G^E^S ^I^S^S^U^E^D ^T^O ^T^H^E ^U^S^E^R ^O^R ^S^Y^S^T^E^M D^A^Y^F^I^L^E ^B^E^G^I^N ^W^I^T^H ^A
 ^B^L^A^N^K ^C^H^A^R^A^C^T^E^R ^A^N^D ^E^N^D ^W^I^T^H ^A ^P^E^R^I^O^D.  D^A^Y^F^I^L^E ^M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^N^O^T
 ^E^X^C^E^E^D 50 ^C^H^A^R^A^C^T^E^R^S.  A^B^B^R^E^V^I^A^T^I^O^N^S ^S^H^O^U^L^D ^B^E ^A^V^O^I^D^E^D ^W^H^E^N ^P^O^S^S^I^B^L^E
 ^I^N ^D^A^Y^F^I^L^E ^M^E^S^S^A^G^E^S.
  
 I^N^F^O^R^M^A^T^I^V^E ^M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^B^E ^I^S^S^U^E^D ^T^O ^T^H^E ^U^S^E^R ^D^A^Y^F^I^L^E ^O^N^L^Y 
 (^O^P^T^I^O^N 3 ^O^N ^T^H^E MESSAGE ^M^A^C^R^O ^O^R ^T^H^E CPON ^O^P^T^I^O^N ^O^N ^T^H^E ^C^A^L^L ^T^O 
 DFM).  M^E^S^S^A^G^E^S ^T^H^A^T ^I^N^D^I^C^A^T^E ^T^H^A^T ^T^H^E ^J^O^B ^W^I^L^L ^A^B^O^R^T ^A^R^E ^T^H^E ^O^N^L^Y 
 ^I^N^F^O^R^M^A^T^I^V^E ^U^S^E^R ^M^E^S^S^A^G^E^S ^T^H^A^T ^S^H^O^U^L^D ^A^L^S^O ^B^E ^I^S^S^U^E^D ^T^O ^T^H^E S^Y^S^T^E^M
 D^A^Y^F^I^L^E.  S^P^E^C^I^A^L ^S^Y^S^T^E^M ^P^R^O^G^R^A^M^S (MODVAL, ISF, S^U^B^S^Y^S^T^E^M^S, PF ^O^R 
 Q^U^E^U^E U^T^I^L^I^T^I^E^S, ^E^T^C.) ^A^R^E ^E^X^C^E^P^T^I^O^N^S ^A^N^D ^M^A^Y ^I^S^S^U^E ^I^N^F^O^R^M^A^T^I^V^E
 ^M^E^S^S^A^G^E^S ^T^O ^T^H^E S^Y^S^T^E^M D^A^Y^F^I^L^E ^W^H^E^N ^N^E^C^E^S^S^A^R^Y.
  
  
1                                                           PAGE    57
  
  
 4.6 UNHANGABLE CHANNEL CODE
  
 T^O ^A^V^O^I^D ^C^H^A^N^N^E^L ^H^A^N^G^S, ^B^I^T 2**5 ^I^S ^S^E^T ^O^N ^S^O^M^E PP ^C^H^A^N^N^E^L
 ^I^N^S^T^R^U^C^T^I^O^N^S.  T^H^I^S ^S^H^O^U^L^D ^O^N^L^Y ^B^E ^U^S^E^D ^W^H^E^N ^U^N^D^E^S^I^R^A^B^L^E ^S^I^D^E
 ^A^F^F^E^C^T^S ^W^I^L^L ^N^O^T ^R^E^S^U^L^T ^A^N^D ^W^H^E^R^E ^I^T ^I^S ^P^O^S^S^I^B^L^E ^T^O ^T^A^K^E ^C^O^R^R^E^C^T^I^V^E
 ^A^C^T^I^O^N.  (F^O^R ^E^X^A^M^P^L^E@D ^D^I^S^C^O^N^N^E^C^T^I^N^G ^A^N ^I^N^A^C^T^I^V^E ^C^H^A^N^N^E^L ^W^I^L^L ^N^O^T 
 ^R^E^S^U^L^T ^I^N ^U^N^D^E^S^I^R^A^B^L^E ^E^F^F^E^C^T^S.)  B^I^T 2**5 ^S^H^O^U^L^D ^N^O^T ^B^E ^U^S^E^D ^W^H^E^N 
 ^U^N^P^R^E^D^I^C^T^A^B^L^E ^R^E^S^U^L^T^S ^M^A^Y ^O^C^C^U^R.  B^I^T 2**5 ^I^S ^N^O^T ^U^S^E^D ^W^I^T^H ^C^H^A^N^N^E^L
 15.
  
 E^X^A^M^P^L^E@D
               IJM    ^T^A^G1,CH      IF CHANNEL DISCONNECTED 
               DCN    CH+4O        DISCONNECT CHANNEL 
               RJM    ERP          PROCESS ERROR
     ^T^A^G1       .
                . 
                . 
  
  
 4.7 SPECIAL ENTRY POINTS 
  
 S^P^E^C^I^A^L ^E^N^T^R^Y ^P^O^I^N^T^S ^D^E^F^I^N^E^D ^B^Y NOS ^I^N^C^L^U^D^E@D 
  
     ARG=      I^N^H^I^B^I^T ^A^R^G^U^M^E^N^T ^P^R^O^C^E^S^S^I^N^G
     CLB=      C^O^M^M^A^N^D ^L^I^N^E ^B^U^F^F^E^R
     DMP=      A^L^L^O^W ^S^P^E^C^I^A^L ^S^Y^S^T^E^M ^P^R^O^C^E^S^S^I^N^G 
     LDR=      L^O^A^D^E^R ^P^R^O^C^E^S^S^I^N^G 
     MFL=      M^I^N^I^M^U^M ^F^I^E^L^D ^L^E^N^G^T^H
     RFL=      R^U^N^N^I^N^G ^F^I^E^L^D ^L^E^N^G^T^H
     SDM=      S^U^P^P^R^E^S^S ^D^A^Y^F^I^L^E ^M^E^S^S^A^G^E
     SSJ=      S^P^E^C^I^A^L ^S^Y^S^T^E^M ^J^O^B
     SSM=      S^E^C^U^R^E ^S^Y^S^T^E^M ^M^E^M^O^R^Y
     VAL=      V^A^L^I^D^A^T^I^O^N ^P^R^O^G^R^A^M 
  
 T^O ^I^N^S^U^R^E ^P^R^O^P^E^R ^L^O^A^D^I^N^G ^A^N^D ^E^X^E^C^U^T^I^O^N ^O^F ^S^P^E^C^I^A^L ^E^N^T^R^Y ^P^O^I^N^T 
 ^P^R^O^G^R^A^M^S, ^S^P^E^C^I^A^L ^E^N^T^R^Y ^P^O^I^N^T^S ^M^U^S^T ^B^E ^D^E^C^L^A^R^E^D ^A^F^T^E^R ^N^O^R^M^A^L ^E^N^T^R^Y 
 ^P^O^I^N^T^S.
  
 EXAMPLE@D
  
     IDENT     FWA
     ABS
     ENTRY     ABC
     ENTRY     XYZ
     ENTRY     RFL= 
     ENTRY     SSJ= 
     SYSCOM    B1 
        . 
        . 
        . 
  
  
1                                                           PAGE    58
  
  
 4.8  SCRATCH FILE NAMES. 
  
 P^R^O^G^R^A^M^S ^R^E^Q^U^I^R^I^N^G ^T^E^M^P^O^R^A^R^Y ^S^C^R^A^T^C^H ^F^I^L^E^S ^W^I^L^L ^U^S^E ^T^H^E ^N^A^M^E^S
 ZZZZZG0 - ZZZZZG9 ^A^S ^N^A^M^E^S ^F^O^R ^S^C^R^A^T^C^H ^F^I^L^E^S.  P^R^O^G^R^A^M^S ^W^H^I^C^H
 ^R^E^Q^U^I^R^E ^M^O^R^E ^T^H^A^N ^T^H^E^S^E 10 ^S^C^R^A^T^C^H ^F^I^L^E ^N^A^M^E^S ^M^U^S^T ^R^E^S^O^L^V^E ^T^H^E 
 ^R^E^Q^U^I^R^E^D ^F^I^L^E ^N^A^M^E^S ^W^I^T^H S^Y^S^T^E^M^S D^E^S^I^G^N.  S^U^C^H ^S^C^R^A^T^C^H ^F^I^L^E^S ^M^U^S^T 
 ^A^L^W^A^Y^S ^B^E ^R^E^T^U^R^N^E^D ^A^T ^P^R^O^G^R^A^M ^T^E^R^M^I^N^A^T^I^O^N. 
  
  
1                                                           PAGE    59
  
  
 APPENDIX A - ABBREVIATIONS 
  
 S^T^A^N^D^A^R^D ^I^N^D^U^S^T^R^Y ^A^B^B^R^E^V^I^A^T^I^O^N^S ^A^N^D ^P^R^O^G^R^A^M^M^I^N^G ^L^A^N^G^U^A^G^E ^N^A^M^E^S ^M^A^Y 
 ^B^E ^U^S^E^D ^E^V^E^N ^T^H^O^U^G^H ^T^H^E^Y ^A^R^E ^N^O^T ^I^N^C^L^U^D^E^D ^I^N ^T^H^E ^F^O^L^L^O^W^I^N^G ^A^P^P^E^N^D^I^X. 
  
 A.1 GENERAL ABBREVIATIONS
  
        BML     ^B^I^N^A^R^Y ^M^A^I^N^T^E^N^A^N^C^E ^L^O^G
        BOI     ^B^E^G^I^N^N^I^N^G ^O^F ^I^N^F^O^R^M^A^T^I^O^N
        CLT     ^C^O^M^M^O^N ^L^I^B^R^A^R^Y ^T^A^B^L^E
        CM      ^C^E^N^T^R^A^L ^M^E^M^O^R^Y 
        CME     ^C^E^N^T^R^A^L ^M^E^M^O^R^Y ^E^X^T^E^N^S^I^O^N
        CMM     ^C^O^M^M^O^N ^M^E^M^O^R^Y ^M^A^N^A^G^E^R
        CMR     ^C^E^N^T^R^A^L ^M^E^M^O^R^Y ^R^E^S^I^D^E^N^T
        CMU     ^C^O^M^P^A^R^E/^M^O^V^E ^U^N^I^T
        CP      ^C^O^N^T^R^O^L ^P^O^I^N^T 
        CPA     ^C^O^N^T^R^O^L ^P^O^I^N^T ^A^R^E^A ^A^D^D^R^E^S^S 
        CPU     ^C^E^N^T^R^A^L ^P^R^O^C^E^S^S^I^N^G ^U^N^I^T
        CR      ^C^A^R^R^I^A^G^E ^R^E^T^U^R^N 
        CSU     ^C^A^R^T^R^I^D^G^E ^S^T^O^R^A^G^E ^U^N^I^T
        CW      ^C^O^N^T^R^O^L ^W^O^R^D 
        DAT     ^D^E^V^I^C^E ^A^C^C^E^S^S ^T^A^B^L^E
        DIT     ^D^E^V^I^C^E ^I^N^T^E^R^L^O^C^K ^T^A^B^L^E
        ECS     ^E^X^T^E^N^D^E^D ^C^O^R^E ^S^T^O^R^A^G^E
        ESM     ^E^X^T^E^N^D^E^D ^S^E^M^I ^C^O^N^D^U^C^T^O^R ^M^E^M^O^R^Y 
        EJT     ^E^X^E^C^U^T^I^N^G ^J^O^B ^T^A^B^L^E
        EJTO    ^E^X^E^C^U^T^I^N^G ^J^O^B ^T^A^B^L^E ^O^R^D^I^N^A^L 
        EM      ^E^X^T^E^N^D^E^D ^M^E^M^O^R^Y 
        EOF     ^E^N^D ^O^F ^F^I^L^E
        EOI     ^E^N^D ^O^F ^I^N^F^O^R^M^A^T^I^O^N
        EOL     ^E^N^D ^O^F ^L^I^N^E
        EOR     ^E^N^D ^O^F ^R^E^C^O^R^D
        EOS     ^E^N^D ^O^F ^S^T^R^E^A^M
        EPD     ^E^N^T^R^Y ^P^O^I^N^T ^D^I^R^E^C^T^O^R^Y
        EST     ^E^Q^U^I^P^M^E^N^T ^S^T^A^T^U^S ^T^A^B^L^E
        FOT     ^F^A^M^I^L^Y ^O^R^D^I^N^A^L ^T^A^B^L^E
        ETX     ^E^N^D ^O^F ^T^E^X^T
        FDX     ^F^U^L^L ^D^U^P^L^E^X 
        FET     ^F^I^L^E ^E^N^V^I^R^O^M^E^N^T ^T^A^B^L^E
        FL      ^F^I^E^L^D ^L^E^N^G^T^H 
        FLE     ^F^I^E^L^D ^L^E^N^G^T^H ^F^O^R ^E^X^T^E^N^D^E^D ^M^E^M^O^R^Y
        FLPP    ^F^I^R^S^T ^L^E^V^E^L PPU 
        FNT     ^F^I^L^E ^N^A^M^E ^T^A^B^L^E
        FST     ^F^I^L^E ^S^T^A^T^U^S ^T^A^B^L^E
        FWA     ^F^I^R^S^T ^W^O^R^D ^A^D^D^R^E^S^S
        HDX     ^H^A^L^F ^D^U^P^L^E^X 
        ID      ^I^D^E^N^T^I^F^I^E^R ^O^R ^I^D^E^N^T^I^F^I^C^A^T^I^O^N
        I/O     ^I^N^P^U^T/^O^U^T^P^U^T 
        JCB     ^J^O^B ^C^O^N^T^R^O^L ^B^L^O^C^K
        JSN     ^J^O^B ^S^E^Q^U^E^N^C^E ^N^A^M^E
        LCME    ^L^A^R^G^E ^C^O^R^E ^M^E^M^O^R^Y ^E^X^T^E^N^D^E^D 
  
1                                                           PAGE    60
  
  
        LFN     ^L^O^G^I^C^A^L ^F^I^L^E ^N^A^M^E
        LWA     ^L^A^S^T ^W^O^R^D ^A^D^D^R^E^S^S
        MID     ^M^A^C^H^I^N^E ^I^D^E^N^T^I^F^I^C^A^T^I^O^N 
        MMF     ^M^U^L^T^I-^M^A^I^N^F^R^A^M^E 
        MRT     ^M^A^C^H^I^N^E ^R^E^C^O^V^E^R^Y ^T^A^B^L^E
        MS      ^M^A^S^S ^S^T^O^R^A^G^E 
        MSA     ^M^A^S^S ^S^T^O^R^A^G^E ^A^D^A^P^T^O^R
        MST     ^M^A^S^S ^S^T^O^R^A^G^E ^T^A^B^L^E
        MST     ^M^A^S^S ^S^T^O^R^A^G^E ^T^R^A^N^S^P^O^R^T (^D^O ^N^O^T ^U^S^E ^A^B^B^R^E^V^I^A^T^I^O^N ^W^H^E^R^E
                ^C^O^N^F^U^S^I^O^N ^W^I^T^H M^A^S^S S^T^O^R^A^G^E T^A^B^L^E ^M^A^Y ^R^E^S^U^L^T)
        MT      ^M^A^G^N^E^T^I^C ^T^A^P^E 
        MUX     ^M^U^L^T^I^P^L^E^X^E^R
        NFL     ^N^E^G^A^T^I^V^E ^F^I^E^L^D ^L^E^N^G^T^H
        PF      ^P^E^R^M^A^N^E^N^T ^F^I^L^E 
        PFC     ^P^E^R^M^A^N^E^N^T ^F^I^L^E ^C^A^T^A^L^O^G
        PFN     ^P^E^R^M^A^N^E^N^T ^F^I^L^E ^N^A^M^E
        PLD     ^P^E^R^I^P^H^E^R^A^L ^L^I^B^R^A^R^Y ^D^I^R^E^C^T^O^R^Y
        PP      ^P^E^R^I^P^H^E^R^A^L ^P^R^O^C^E^S^S^O^R 
        PPU     ^F^I^R^S^T-^L^E^V^E^L ^P^E^R^I^P^H^E^R^A^L ^P^R^O^C^E^S^S^O^R; ^O^N^L^Y ^O^N CYBER 176
                (^A^L^S^O ^K^N^O^W^N ^A^S FLPP) 
        PRU     ^P^H^Y^S^I^C^A^L ^R^E^C^O^R^D ^U^N^I^T
        PST     ^P^R^O^G^R^A^M ^S^T^A^T^U^S ^T^A^B^L^E
        QFT     ^Q^U^E^U^E^D ^F^I^L^E ^T^A^B^L^E
        RA      ^R^E^F^E^R^E^N^C^E ^A^D^D^R^E^S^S 
        RAE     ^R^E^F^E^R^E^N^C^E ^A^D^D^R^E^S^S ^F^O^R ^E^X^T^E^N^D^E^D ^M^E^M^O^R^Y
        RCL     ^R^E^S^I^D^E^N^T ^C^E^N^T^R^A^L ^L^I^B^R^A^R^Y
        RPL     ^R^E^S^I^D^E^N^T ^P^E^R^I^P^H^E^R^A^L ^L^I^B^R^A^R^Y
        RMS     ^R^O^T^A^T^I^N^G ^M^A^S^S ^S^T^O^R^A^G^E
        SCP     ^S^Y^S^T^E^M ^C^O^N^T^R^O^L ^P^O^I^N^T
        SCR     ^S^T^A^T^U^S ^A^N^D ^C^O^N^T^R^O^L ^R^E^G^I^S^T^E^R 
        SECDED  ^S^I^N^G^L^E ^E^R^R^O^R ^C^O^R^R^E^C^T^I^O^N, ^D^O^U^B^L^E ^E^R^R^O^R ^D^E^T^E^C^T^I^O^N
        SUBCP   ^S^U^B^C^O^N^T^R^O^L ^P^O^I^N^T 
        TRT     ^T^R^A^C^K ^R^E^S^E^R^V^A^T^I^O^N ^T^A^B^L^E
        TTY     ^T^E^L^E^T^Y^P^E
        UCP     ^U^S^E^R ^C^O^N^T^R^O^L ^P^O^I^N^T
        UEM     ^U^N^I^F^I^E^D ^E^X^T^E^N^D^E^D ^M^E^M^O^R^Y ^F^O^R 8X5 
        UDT     ^U^N^I^T ^D^E^S^C^R^I^P^T^O^R ^T^A^B^L^E
        UJN     ^U^S^E^R ^J^O^B ^N^A^M^E
        VSN     ^V^O^L^U^M^E ^S^E^R^I^A^L ^N^U^M^B^E^R
  
  
 A.2 NETWORK HOST PRODUCTS ABBREVIATIONS
  
        ABH     ^A^P^P^L^I^C^A^T^I^O^N ^B^L^O^C^K ^H^E^A^D^E^R
        ABL     ^A^P^P^L^I^C^A^T^I^O^N ^B^L^O^C^K ^L^I^M^I^T
        ABN     ^A^P^P^L^I^C^A^T^I^O^N ^B^L^O^C^K ^N^U^M^B^E^R
        ABT     ^A^P^P^L^I^C^A^T^I^O^N ^B^L^O^C^K ^T^Y^P^E
        ACK     ^B^L^O^C^K ^A^C^K^N^O^W^L^E^D^G^E^D 
        ACN     ^A^P^P^L^I^C^A^T^I^O^N ^C^O^N^N^E^C^T^I^O^N ^N^U^M^B^E^R
        ACT     ^A^P^P^L^I^C^A^T^I^O^N ^C^H^A^R^A^C^T^E^R ^T^Y^P^E
        ADR     ^A^D^D^R^E^S^S ^I^N^F^O^R^M^A^T^I^O^N 
  
1                                                           PAGE    61
  
  
        ALN     ^A^P^P^L^I^C^A^T^I^O^N ^L^I^S^T ^N^U^M^B^E^R
        CLA     ^C^O^M^M^U^N^I^C^A^T^I^O^N^S ^L^I^N^E ^A^D^A^P^T^E^R
        IBU     ^I^N^P^U^T ^B^L^O^C^K ^U^N^D^E^L^I^V^E^R^A^B^L^E
        IVT     ^I^N^T^E^R^A^C^T^I^V^E ^V^I^R^T^U^A^L ^T^E^R^M^I^N^A^L
        LCF     ^L^O^C^A^L ^C^O^N^F^I^G^U^R^A^T^I^O^N ^F^I^L^E
        LOP     ^L^O^C^A^L ^O^P^E^R^A^T^O^R 
        NAK     ^B^L^O^C^K ^N^O^T ^A^C^K^N^O^W^L^E^D^G^E^D
        NCF     ^N^E^T^W^O^R^K ^C^O^N^F^I^G^U^R^A^T^I^O^N ^F^I^L^E
        NDL     ^N^E^T^W^O^R^K ^D^E^F^I^N^I^T^I^O^N ^L^A^N^G^U^A^G^E
        NFE     ^N^O ^F^O^R^M^A^T ^E^F^F^E^C^T^O^R^S
        NOP     ^N^E^T^W^O^R^K ^O^P^E^R^A^T^O^R 
        NPU     ^N^E^T^W^O^R^K ^P^R^O^C^E^S^S^I^N^G ^U^N^I^T
        PFC     ^P^R^I^M^A^R^Y ^F^U^N^C^T^I^O^N ^C^O^D^E
        SFC     ^S^E^C^O^N^D^A^R^Y ^F^U^N^C^T^I^O^N ^C^O^D^E
        SM      ^S^U^P^E^R^V^I^S^O^R^Y ^M^E^S^S^A^G^E 
        SMP     ^S^U^P^E^R^V^I^S^O^R^Y ^M^E^S^S^A^G^E ^P^R^O^C^E^S^S^O^R
        TA      ^T^E^X^T ^A^R^E^A 
        TLC     ^T^E^X^T ^L^E^N^G^T^H ^C^H^A^R^A^C^T^E^R^S
        TLMAX   ^M^A^X^I^M^U^M ^L^E^N^G^T^H ^O^F ^D^A^T^A ^M^E^S^S^A^G^E ^B^L^O^C^K ^T^E^X^T
        TNAME   ^T^E^R^M^I^N^A^L ^N^A^M^E 
  
  
 A.3 ACRONYMS 
  
        AIP     A^P^P^L^I^C^A^T^I^O^N I^N^T^E^R^F^A^C^E P^R^O^G^R^A^M 
        BIO     B^A^T^C^H^I^O 
        CDCS    CYBER D^A^T^A^B^A^S^E C^O^N^T^R^O^L S^Y^S^T^E^M 
        CRM     C^Y^B^E^R R^E^C^O^R^D M^A^N^A^G^E^R 
        FSE     F^U^L^L S^C^R^E^E^N E^D^I^T^O^R 
        IAF     I^N^T^E^R^A^C^T^I^V^E F^A^C^I^L^I^T^Y 
        LCN     L^O^O^S^E^L^Y C^O^U^P^L^E^D N^E^T^W^O^R^K 
        MAG     M^A^G^N^E^T 
        MAP     M^A^T^R^I^X A^R^R^A^Y P^R^O^C^E^S^S^O^R 
        MCS     M^E^S^S^A^G^E C^O^N^T^R^O^L S^Y^S^T^E^M 
        MSF     M^A^S^S S^T^O^R^A^G^E F^A^C^I^L^I^T^Y 
        MSS     M^A^S^S S^T^O^R^A^G^E S^U^B^S^Y^S^T^E^M 
        NAM     N^E^T^W^O^R^K A^C^C^E^S^S M^E^T^H^O^D 
        NOS     N^E^T^W^O^R^K O^P^E^R^A^T^I^N^G S^Y^S^T^E^M 
        NVE     N^E^T^W^O^R^K V^A^L^I^D^A^T^I^O^N F^A^C^I^L^I^T^Y 
        RBF     R^E^M^O^T^E B^A^T^C^H F^A^C^I^L^I^T^Y 
        RDF     R^E^M^O^T^E D^I^A^G^N^O^S^T^I^C F^A^C^I^L^I^T^Y 
        RHF     R^E^M^O^T^E H^O^S^T F^A^C^I^L^I^T^Y 
        SMF     S^C^R^E^E^N M^A^N^A^G^E^M^E^N^T F^A^C^I^L^I^T^Y 
        SSF     S^C^O^P^E S^T^A^T^I^O^N F^A^C^I^L^I^T^Y 
        STM     S^T^I^M^U^L^A^T^O^R 
        TAF     T^R^A^N^S^A^C^T^I^O^N F^A^C^I^L^I^T^Y 
        TIP     T^E^R^M^I^N^A^L I^N^T^E^R^F^A^C^E P^R^O^G^R^A^M 
        TVF     T^E^R^M^I^N^A^L V^E^R^I^F^I^C^A^T^I^O^N F^A^C^I^L^I^T^Y 
  
1                                                           PAGE    62
  
  
 APPENDIX B - ERROR MESSAGE GUIDELINES
  
 T^H^E ^F^O^L^L^O^W^I^N^G ^G^E^N^E^R^A^L ^P^R^I^N^C^I^P^L^E^S ^A^R^E ^T^O ^B^E ^O^B^S^E^R^V^E^D ^I^N ^D^E^S^I^G^N^I^N^G 
 ^F^U^T^U^R^E ^E^R^R^O^R ^M^E^S^S^A^G^E^S ^F^O^R NOS.  E^X^I^S^T^I^N^G ^M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^B^E ^I^M^P^R^O^V^E^D
 ^A^S ^O^P^P^O^R^T^U^N^I^T^I^E^S ^A^R^I^S^E.  T^H^E^S^E ^G^U^I^D^E^L^I^N^E^S ^W^I^L^L ^B^E ^F^O^R^M^A^L^I^Z^E^D ^I^N ^A 
 ^L^A^T^E^R U^S^A^B^I^L^I^T^Y D^E^S^I^G^N D^I^R^E^C^T^I^O^N D^O^C^U^M^E^N^T.
  
 1.  T^H^E ^P^U^R^P^O^S^E ^O^F ^A^N ^E^R^R^O^R ^M^E^S^S^A^G^E ^I^S ^T^O ^I^N^F^O^R^M ^T^H^E ^U^S^E^R ^H^O^W ^T^O
     ^C^O^R^R^E^C^T ^A ^P^R^O^B^L^E^M.
  
     D^I^S^C^U^S^S^I^O^N@D  I^T ^H^E^L^P^S ^T^O ^V^I^E^W ^E^R^R^O^R ^M^E^S^S^A^G^E^S ^A^S ^P^R^O^M^P^T^S@D ^N^O^T 
     "^T^H^I^S ^I^S ^W^H^A^T ^Y^O^U ^D^I^D ^W^R^O^N^G" ^B^U^T "^T^H^I^S ^I^S ^H^O^W ^T^O ^D^O ^I^T ^R^I^G^H^T." 
     M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^B^E ^P^H^R^A^S^E^D ^P^O^S^I^T^I^V^E^L^Y.  T^H^E ^W^O^R^D^S "ILLEGAL",
     "INVALID", ^A^N^D "SYNTAX" ^A^R^E ^S^P^E^C^I^F^I^C^A^L^L^Y ^N^O^T ^P^E^R^M^I^T^T^E^D ^I^N NOS
     ^M^E^S^S^A^G^E^S.  O^F ^C^O^U^R^S^E, ^T^H^E^R^E ^A^R^E ^O^T^H^E^R ^W^A^Y^S ^T^O ^P^H^R^A^S^E ^U^N^H^E^L^P^F^U^L, 
     ^N^E^G^A^T^I^V^E ^M^E^S^S^A^G^E^S; ^B^U^T ^T^H^E^S^E ^T^H^R^E^E ^W^O^R^D^S ^A^R^E ^S^I^N^G^L^E^D ^O^U^T ^F^O^R 
     ^E^X^T^I^N^C^T^I^O^N ^F^O^R ^B^E^I^N^G ^S^O ^F^R^E^Q^U^E^N^T^L^Y ^S^E^E^N ^I^N ^T^H^E ^C^O^M^P^A^N^Y ^O^F
     ^U^S^A^B^I^L^I^T^Y ^O^F^F^E^N^D^E^R^S. 
  
 2.  A ^S^I^N^G^L^E ^M^E^S^S^A^G^E ^S^H^O^U^L^D ^D^I^A^G^N^O^S^E ^A ^S^I^N^G^L^E ^E^R^R^O^R.
  
     D^I^S^C^U^S^S^I^O^N@D  F^O^R ^E^X^A^M^P^L^E, ^I^F ^T^H^E ^M^E^A^N^I^N^G ^O^F ^M^E^S^S^A^G^E ^I^S "^M^O^R^E 
     ^T^H^A^N ^S^E^V^E^N ^C^H^A^R^A^C^T^E^R^S ^O^R ^L^E^A^D^I^N^G ^N^O^N-^A^L^P^H^A^B^E^T^I^C ^C^H^A^R^A^C^T^E^R ^O^R 
     ^N^U^L^L ^I^D^E^N^T^I^F^I^E^R" ^I^T ^S^H^O^U^L^D ^B^E ^T^H^R^E^E ^M^E^S^S^A^G^E^S.  U^S^U^A^L^L^Y, ^T^H^E ^C^O^D^E 
     ^M^U^S^T ^M^A^K^E ^T^H^R^E^E ^S^E^P^A^R^A^T^E ^T^E^S^T^S, ^S^O ^I^T ^I^S ^E^A^S^Y ^T^O ^B^E ^P^R^E^C^I^S^E.  A^N 
     ^E^X^C^E^P^T^I^O^N ^I^S ^W^H^E^N ^A ^C^O^M^M^O^N ^D^E^C^K ^R^E^T^U^R^N^S ^A^N ^E^R^R^O^R ^S^T^A^T^U^S ^W^H^I^C^H 
     ^C^O^U^L^D ^H^A^V^E ^R^E^S^U^L^T^E^D ^F^R^O^M ^S^E^V^E^R^A^L ^D^I^F^F^E^R^E^N^T ^C^O^N^D^I^T^I^O^N^S.
  
 3.  A^N ^E^R^R^O^R ^M^E^S^S^A^G^E ^I^S ^F^R^I^E^N^D^L^Y ^I^F ^I^T ^I^S ^B^U^S^I^N^E^S^S-^L^I^K^E ^A^N^D
     ^I^N^F^O^R^M^A^T^I^V^E.
  
     D^I^S^C^U^S^S^I^O^N@D  C^U^T^E, ^F^U^N^N^Y, ^O^R ^F^L^I^P^P^A^N^T ^M^E^S^S^A^G^E^S ^A^R^E ^T^O ^B^E
     ^A^V^O^I^D^E^D, ^A^S ^T^H^E^Y ^S^E^L^D^O^M ^D^I^A^G^N^O^S^E ^A^C^C^U^R^A^T^E^L^Y ^A^N^D ^A^L^W^A^Y^S ^W^E^A^R
     ^Q^U^I^C^K^L^Y.  M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^B^E ^D^I^R^E^C^T^E^D ^A^T ^T^H^E ^P^R^O^C^E^S^S ^A^N^D ^N^O^T ^T^H^E
     ^P^E^R^S^O^N.
  
 4.  M^E^S^S^A^G^E^S ^M^U^S^T ^B^E ^W^R^I^T^T^E^N ^P^L^A^I^N^L^Y, ^U^S^I^N^G ^T^E^R^M^S ^A^L^R^E^A^D^Y ^K^N^O^W^N ^T^O
     ^T^H^E ^U^S^E^R. 
  
     D^I^S^C^U^S^S^I^O^N@D  M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^U^S^E ^T^E^R^M^S ^W^H^I^C^H ^A^R^E ^E^I^T^H^E^R 
     ^S^E^L^F-^D^E^F^I^N^I^N^G ^O^R ^N^A^T^U^R^A^L ^T^O ^T^H^E ^P^R^O^C^E^S^S.  A^L^L ^W^O^R^D^S ^S^H^O^U^L^D ^B^E
     ^P^A^R^T ^O^F ^T^H^E ^E^X^T^E^R^N^A^L ^U^S^E^R ^I^N^T^E^R^F^A^C^E, ^L^I^K^E "^F^I^L^E ^N^A^M^E" ^I^N^S^T^E^A^D ^O^F
     "LFN" (^U^N^L^E^S^S LFN ^I^S ^A^N ^E^X^T^E^R^N^A^L ^P^A^R^A^M^E^T^E^R).
  
 5.  M^E^S^S^A^G^E^S ^M^U^S^T ^B^E ^W^R^I^T^T^E^N ^I^N E^N^G^L^I^S^H. 
  
     D^I^S^C^U^S^S^I^O^N@D  M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^F^O^L^L^O^W ^N^O^R^M^A^L ^R^U^L^E^S ^F^O^R E^N^G^L^I^S^H
     ^G^R^A^M^M^A^R ^A^N^D ^P^U^N^C^T^U^A^T^I^O^N, ^A^L^T^H^O^U^G^H "^P^I^D^G^I^N E^N^G^L^I^S^H" -- ^T^H^E
     ^O^M^I^S^S^I^O^N ^O^F ^S^E^L^E^C^T^E^D ^S^U^B^J^E^C^T^S, ^V^E^R^B^S ^O^R ^O^B^J^E^C^T^S ^I^N ^T^H^E ^I^N^T^E^R^E^S^T 
     ^O^F ^B^R^E^V^I^T^Y ^W^H^E^R^E ^T^H^E ^M^E^A^N^I^N^G ^I^S ^C^L^E^A^R - ^I^S ^A^C^C^E^P^T^A^B^L^E.  M^E^S^S^A^G^E^S 
     ^S^H^O^U^L^D ^N^O^T ^B^E ^W^R^I^T^T^E^N ^I^N ^O^C^T^A^L, ^O^R ^I^N ^O^T^H^E^R ^F^O^R^M^S ^O^F ^S^C^I^E^N^T^I^F^I^C 
     ^N^O^T^A^T^I^O^N.  N^O^T^E ^T^H^A^T ^T^H^E ^A^S^T^E^R^I^S^K ^I^S ^N^O^T ^A^N E^N^G^L^I^S^H ^P^U^N^C^T^U^A^T^O^R. 
1                                                           PAGE    63
  
  
  
 6.  M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^B^E ^S^E^L^F-^C^O^N^T^A^I^N^E^D. 
  
     D^I^S^C^U^S^S^I^O^N@D  I^F ^Y^O^U ^N^E^E^D ^T^O ^T^E^L^L ^A ^S^T^O^R^Y, ^T^E^L^L ^T^H^E ^W^H^O^L^E ^S^T^O^R^Y. 
     A^V^O^I^D ^R^E^F^E^R^E^N^C^E^S, ^A^S ^T^H^E^Y ^A^R^E ^D^I^F^F^I^C^U^L^T ^T^O ^K^E^E^P ^U^P-^T^O-^D^A^T^E ^A^N^D
     ^A^R^E ^O^F^T^E^N ^N^O ^M^O^R^E ^H^E^L^P^F^U^L ^T^H^E^N ^A ^G^O^O^D ^O^N^E-^L^I^N^E ^M^E^S^S^A^G^E ^W^O^U^L^D ^B^E.
  
 7.  E^R^R^O^R ^M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^P^O^I^N^T ^D^I^R^E^C^T^L^Y ^T^O ^T^H^E ^S^O^U^R^C^E ^O^F ^T^H^E 
     ^T^R^O^U^B^L^E.
  
     D^I^S^C^U^S^S^I^O^N@D  F^O^R ^E^X^A^M^P^L^E, "FILE NOT FOUND" ^I^S ^B^E^T^T^E^R ^P^U^T ^A^S
     "FILE XYZ NOT FOUND", "EXPECTING COMMA OR PERIOD AFTER 'ABC'" ^I^S 
     ^M^U^C^H ^C^L^E^A^R^E^R ^T^H^A^N "SYNTAX ERROR".  I^N ^G^E^N^E^R^A^L, ^T^H^E ^T^E^C^H^N^I^Q^U^E ^O^F 
     ^E^C^H^O^I^N^G ^B^A^C^K ^P^A^R^T ^O^F ^T^H^E ^U^S^E^R ^I^N^P^U^T ^A^S ^P^A^R^T ^O^F ^T^H^E ^M^E^S^S^A^G^E ^I^S 
     ^B^E^T^T^E^R ^T^H^A^N ^T^H^E ^U^S^E ^O^F ^I^N^T^E^R^N^A^L ^N^A^M^E^S ^O^R ^P^A^R^A^M^E^T^E^R ^K^E^Y^W^O^R^D^S
     ^W^H^I^C^H ^T^H^E ^U^S^E^R ^M^A^Y ^N^O^T ^R^E^C^O^G^N^I^Z^E. 
  
 8.  I^N^T^E^R^A^C^T^I^V^E ^E^R^R^O^R ^M^E^S^S^A^G^E^S ^S^H^O^U^L^D ^A^P^P^E^A^R ^A^S ^S^O^O^N ^A^S ^P^O^S^S^I^B^L^E
     ^A^F^T^E^R ^A^N ^E^R^R^O^R ^I^S ^C^O^M^M^I^T^T^E^D.
  
     D^I^S^C^U^S^S^I^O^N@D  E^A^C^H ^I^N^T^E^R^A^C^T^I^V^E ^I^N^P^U^T ^S^H^O^U^L^D ^B^E ^C^O^M^P^L^E^T^E^L^Y ^A^N^D 
     ^F^U^L^L^Y ^V^A^L^I^D^A^T^E^D ^A^S ^S^O^O^N ^A^S ^I^T ^I^S ^R^E^C^E^I^V^E^D.  I^N ^N^O ^E^V^E^N^T ^S^H^O^U^L^D ^A
     ^U^S^E^R ^B^E ^L^E^D ^D^O^W^N ^T^H^E ^G^A^R^D^E^N ^P^A^T^H ^T^O ^E^N^T^E^R ^A ^L^O^N^G ^S^E^R^I^E^S ^O^F ^I^N^P^U^T
     ^O^N^L^Y ^T^O ^B^E ^A^D^V^I^S^E^D ^T^H^A^T ^I^T ^I^S ^A^L^L ^W^R^O^N^G ^B^E^C^A^U^S^E ^T^H^E ^F^I^R^S^T ^P^A^R^T 
     ^W^A^S ^W^R^O^N^G. 
  
 9.  N^O ^M^E^S^S^A^G^E^S ^A^T ^A^L^L ^S^H^O^U^L^D ^A^P^P^E^A^R ^F^O^R ^T^R^I^V^I^A^L, ^C^O^R^R^E^C^T^A^B^L^E ^E^R^R^O^R^S
     - ^N^O^R ^S^H^O^U^L^D ^T^H^E^Y ^B^E ^E^R^R^O^R^S.
  
     D^I^S^C^U^S^S^I^O^N@D  E^R^R^O^R^S ^S^U^C^H ^A^S ^M^I^S^S^I^N^G ^O^R ^R^E^D^U^N^D^A^N^T ^T^E^R^M^I^N^A^T^O^R^S 
     ^S^H^O^U^L^D ^N^O^T ^B^E ^E^R^R^O^R^S ^A^T ^A^L^L.  I^F ^A ^R^E^A^S^O^N^A^B^L^E ^A^S^S^U^M^P^T^I^O^N ^C^A^N ^B^E 
     ^M^A^D^E ^A^S ^T^O ^T^H^E ^I^N^T^E^N^T ^O^F ^A^N ^I^N^P^U^T, ^I^T ^S^H^O^U^L^D ^B^E ^A^C^T^E^D ^U^P^O^N ^A^S 
     ^T^H^O^U^G^H ^I^T ^W^E^R^E "^V^A^L^I^D".  N^O ^E^R^R^O^R ^D^I^A^G^N^O^S^T^I^C ^S^H^O^U^L^D ^B^E ^P^R^O^D^U^C^E^D 
     ^F^O^R ^T^H^E^S^E ^C^A^S^E^S.  I^F ^I^T ^I^S ^N^O^T ^P^E^R^F^E^C^T^L^Y ^C^L^E^A^R ^W^H^A^T ^A^S^S^U^M^P^T^I^O^N
     ^W^A^S ^M^A^D^E, ^T^H^E ^A^S^S^U^M^P^T^I^O^N ^W^A^S ^P^R^O^B^A^B^L^Y ^N^O^T ^R^E^A^S^O^N^A^B^L^E ^T^O ^B^E^G^I^N 
     ^W^I^T^H.
  
 10. A^N ^E^R^R^O^R ^M^E^S^S^A^G^E ^M^U^S^T ^C^L^E^A^R^L^Y ^S^I^G^N^A^L ^T^H^A^T ^A^N ^E^R^R^O^R ^H^A^S ^O^C^C^U^R^R^E^D. 
  
     D^I^S^C^U^S^S^I^O^N@D  A^N ^E^R^R^O^R ^M^E^S^S^A^G^E ^M^U^S^T ^N^O^T ^B^E ^P^H^R^A^S^E^D ^I^N ^S^U^C^H ^A ^W^A^Y 
     ^A^S ^T^O ^B^E ^C^O^N^F^U^S^E^D ^W^I^T^H ^A ^M^E^R^E^L^Y ^I^N^F^O^R^M^A^T^I^V^E ^M^E^S^S^A^G^E.  A^L^S^O, ^A 
     ^M^E^S^S^A^G^E ^S^H^O^U^L^D ^I^N^D^I^C^A^T^E ^T^H^E ^G^R^A^V^I^T^Y ^A^N^D ^E^X^T^E^N^T ^O^F ^T^H^E ^E^R^R^O^R, ^A^S
     ^W^H^E^N ^A^N ^E^R^R^O^R ^I^N ^A ^L^I^S^T ^I^N^H^I^B^I^T^S ^P^R^O^C^E^S^S^I^N^G ^O^F ^T^H^E ^R^E^M^A^I^N^D^E^R ^O^F
     ^T^H^E ^L^I^S^T. 
  
1                                                           PAGE    64
  
  
 APPENDIX C   DOCUMENTATION/USABILITY GUIDELINES
  
  
 1.  COMMAND ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^N^S^T^E^A^D ^O^F CONTROL STATEMENT ^O^R CONTROL
     CARD.
  
 2.  INCORRECT ^S^H^O^U^L^D ^B^E ^U^S^E^D ^R^A^T^H^E^R ^T^H^A^N ILLEGAL ^O^R INVALID (^R^E^F^E^R
     ^T^O A^P^P^E^N^D^I^X B ^I^T^E^M 1).
  
 3.  USER ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^N^S^T^E^A^D ^O^F ACCOUNT. 
  
 4.  USER NAME ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^N^S^T^E^A^D ^O^F USER NUMBER ^O^R ACCOUNT
     NUMBER.
  
 5.  EXTENDED MEMORY ^S^H^O^U^L^D ^B^E ^U^S^E^D ^R^A^T^H^E^R ^T^H^A^N ECS.
  
 6.  MONITOR REQUEST ^S^H^O^U^L^D ^B^E ^U^S^E^D ^R^A^T^H^E^R ^T^H^A^N RA+1 CALL.
  
 7.  EST ORDINAL ^O^R DEVICE ^S^H^O^U^L^D ^B^E ^U^S^E^D ^I^N^S^T^E^A^D ^O^F EQUIPMENT NUMBER
     ^O^R EQUIPMENT.
  
 8.  E^N^G^L^I^S^H ^V^A^R^I^A^B^L^E^S ^S^U^C^H ^A^S ^F^I^L^E ^N^A^M^E ^R^A^T^H^E^R ^T^H^A^N ^F^I^L^E^N^A^M ^S^H^O^U^L^D 
     ^B^E ^U^S^E^D ^T^O ^R^E^M^O^V^E ^T^H^E ^S^H^O^R^T^H^A^N^D ^N^O^T^A^T^I^O^N ^O^F ^U^S^I^N^G ^V^A^R^I^A^B^L^E ^N^A^M^E^S 
     ^T^H^A^T ^A^R^E ^T^H^E ^S^A^M^E ^L^E^N^G^T^H ^A^S ^T^H^E ^M^A^X^I^M^U^M ^E^N^T^R^Y.
  
 9.  D^O^C^U^M^E^N^T^A^T^I^O^N, ^M^E^S^S^A^G^E^S, ^E^T^C. ^S^H^O^U^L^D ^A^V^O^I^D ^T^H^E ^U^S^E ^O^F ^S^E^X^I^S^T 
     ^L^A^N^G^U^A^G^E (^H^E, ^S^H^E, ^H^I^M, ^H^E^R, ^E^T^C.).
  
*WEOR 
