241 lines
15 KiB
Plaintext
241 lines
15 KiB
Plaintext
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| Digital Equipment Corporation |
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| M M A CCCC RRRRRR OOOOO 1 1 |
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| MM MM A A C C R R O O 11 11 |
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| M M M M A A C R R O O 1 1 |
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| M M M AAAAAAA C RRRRRR O O XXX 1 1 |
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| M M A A C R R O O 1 1 |
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| M M A A C C R R O O 1 1 |
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| M M A A CCCC R R OOOOO 111 111 |
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| General PDP-11 MACRO-11 Assembler |
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| Symbol, Directive and Error Summary |
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|XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX|
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|XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX|
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|XXXXX X XXX XXX XXXXXXXX XXX XXX XX XXXX XXXXXXXX XXX XXX|
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|XXXXX X XXXXXXXX XXXXXXXX XXXXXXXX XX XXXX XXXXXXXX XXX XXX|
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|XX X XXX XXX XX XX XXX XXX X XXX XX XX XXX XXX|
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|X XX X XXX XXX X XX X XXX XXX XX XXXX XXXXX X XXX XXX|
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|X XX X XXX XXX X XX X XXX XXX XX XXXX XX X XXX XXX|
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|X XX X XXX XXX X XX X XXX XXX XX XXXX X XX X XXX XXX|
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|XX X XXX XXX XX X XXX XXX XXX XX XX X XXX XXX|
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|XXXXXXXX XXXXXXXX XXXXX X XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX|
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|XXXXXXXX XXXXXXXX XX XX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX|
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|XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX|
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|Written by Jonathan Bowen |
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| Programming Research Group |
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| Oxford University Computing Laboratory |
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| 8-11 Keble Road |
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| Oxford OX1 3QD |
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| England |
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| Tel +44-865-273840 |
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|Created September 1981 |
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|Updated April 1985 |
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|Issue 1.5 Copyright (C) J.P.Bowen 1985|
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----------------------------------------------------------------
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----------------------------------------------------------------
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|Symbol/Directive |Description |
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|---------------------+----------------------------------------|
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| CR,LF |Line terminator [1]|
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| FF |Page terminator [1]|
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| SP |Item terminator or field terminator |
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| HT |Item terminator or field terminator |
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| VT |Source line terminator |
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| : |Label terminator |
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| :: |Global label terminator |
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| = |Direct assignment operator |
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| == |Global direct assignment operator |
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| % |Register term indicator |
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| # |Immediate expression indicator |
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| @ |Deferred addressing indicator |
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| ( |Initial register indicator |
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| ) |Terminal register indicator |
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| , |Operand field separator |
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| ; |Comment field indicator |
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| + |Arithmetic addition or auto-increment |
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| - |Arithmetic subtraction or auto-decrement|
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| * |Arithmetic multiplication |
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| / |Arithmetic division |
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| & |Logical AND |
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| ! |Logical inclusive OR |
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| " |Double ASCII character indicator |
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| ' |Single ASCII character or concatenation |
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| . |Assembly location counter |
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| < |Initial argument indicator |
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| > |Terminal argument indicator |
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| ^ |Unary operator or argument indicator |
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| \ |Macro call numeric argument indicator |
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|---------------------+----------------------------------------|
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|.ASCII /string/ |ASCII string |
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|.ASCIZ /string/ |ASCII string with Zero byte terminator |
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|.ASECT |Absolute Section |
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|.BLKB exp |Block Bytes (8-bit) |
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|.BLKW exp |Block Words (16-bit) |
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|.BYTE exp(s) |Byte(s) (8-bit) |
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|.CSECT (name) |Relocatable program Section |
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|.DSABL arg |Disable function [3]|
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|.ENABL arg |Enable function [3]|
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|.END (exp) |End of program (and start address) |
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|.ENDC |End Conditional assembly |
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|.ENDM (name) |End Macro definition or repeat block |
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|.ENDR |End Repeat block |
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|.EOT |End Of Tape (ignored) |
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|.ERROR exp ;text |User-invoked Error |
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|.EVEN |Set current location to Even address |
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|.FLT2 arg(s) |2-word Floating Point number(s) [1]|
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|.FLT4 arg(s) |4-word Floating Point number(s) [1]|
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|.GLOBL sym(s) |Global symbol(s) |
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|.IDENT /string/ |Identity string (up to 6 radix-50 chars)|
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|.IF cond,arg |If condition true then assemble code [4]|
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|.IFF |If last condition False assemble code |
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|.IFT |If last condition True assemble code |
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|.IFTF |If last cond True or False assemble code|
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|.IIF cond,arg,stat|Immediate conditional assembly [4]|
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|.IRP sym,<arg(s)> |Indefinite Repeat block |
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|.IRPC sym,<string> |Indefinite Repeat block |
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|.LIMIT |Reserve 2 words for program Limits |
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|.LIST (arg) |Enable Listing (option) [5]|
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|.MACRO name(,arg(s))|Macro name (and parameter(s)) |
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|.MCALL arg(s) |Macro Call system macro(s) |
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|.MEXIT |Exit Macro or indefinite repeat block |
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|.NARG sym |Equate Number of macro Arguments [2]|
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|.NCHR sym,<string> |Equate Number of Characters in a string |
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|.NLIST (arg) |Disable Listing (option) [5]|
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|.NTYPE sym,aexp |Equate addressing mode Type (6-bit) [2]|
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|.ODD |Set current location to Odd address |
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|.PAGE |Skip Page in assembly listing |
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|.PRINT exp ;text |User-invoked message |
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|.PSECT name(,arg(s))|Program Section (and attributes) [6]|
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|.RADIX n |Set program Radix (n=2,8,10, default=8) |
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|.RAD50 /string/ |Radix 50 string (space,A-Z,$,.,?,0-9) |
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|.REPT exp |Repeat lines |
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|.SBTTL string |Subtitle |
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|.TITLE string |Title |
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|.WORD exp(s) |Word(s) (16-bit) |
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----------------------------------------------------------------
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----------------------------------------------------------------
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|Symbol/Error |Description |
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|---------------------+----------------------------------------|
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| <...> |Expression precedence or macro argument |
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| ^x...x | ditto |
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| x...x |Character string (x not <, = or ;) |
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| 'x |ASCII form of 1 character (8-bit) |
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| "xx |ASCII form of 2 characters (16-bit) |
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| ^Bn |Binary number |
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| ^Cexp |Complement of expression |
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| ^Dn |Decimal number |
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| n. | ditto |
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| ^Fn |Floating-point number (16-bit) [1]|
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| ^On |Octal number |
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| ^Rxxx |Radix-50 form of 3 characters (16-bit) |
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|---------------------+----------------------------------------|
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| CR |ASCII carriage return (Octal 15) |
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| FF |ASCII form feed (Octal 14) |
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| LF |ASCII line return (Octal 12) |
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| SP |ASCII space character (Octal 40) |
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| HT |ASCII tab character (Octal 11) |
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| VT |ASCII vertical tab character (Octal 13) |
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|---------------------+----------------------------------------|
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| aexp |Addressing mode expression |
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| arg |Argument |
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| cond |Condition |
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| exp |Constant expression |
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| n |Number |
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| name |Name |
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| stat |Statement |
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| string |String of ASCII characters |
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| sym |Symbol |
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| text |Any text string |
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| x |Single ASCII character |
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| (s) |Optional continuation of argument list |
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| ... |Any string |
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|---------------------+----------------------------------------|
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| [1] |Not applicable on all assemblers |
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| [2] |May only be used in macro definitions |
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| [3] |arg = (ABS/AMA/CDR/CRF/FPT/LC/LSB/PNC/ |
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| | REG/GLB) |
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| [4] |cond = (EQ/NE/GT/LE/LT/GE/DF/NDF/B/NB/ |
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| | IDN/DIF/Z/NZ/G/L) |
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| [5] |arg = (SEQ/LOC/BIN/BEX/SRC/COM/MD/MC/ |
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| | ME/MEB/CND/LD/TOC/SYM/TTM) |
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| [6] |args = (RO/RW, I/D, GBL/LCL, ABS/REL, |
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| | CON/OVR) |
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|---------------------+----------------------------------------|
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| A |Assembly error |
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| B |Bounding error |
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| D |Doubly-defined symbol referenced |
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| E |End directive not found |
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| I |Illegal character detected |
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| L |Line length greater than 132 characters |
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| M |Multiple definition of a label |
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| N |Number with digit not in current radix |
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| O |Opcode error |
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| P |Phase error |
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| Q |Questionable syntax |
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| R |Register-type error |
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| T |Truncation error |
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| U |Undefined symbol |
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| Z |Instruction error |
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|--------------------------------------------------------------|
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