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0243 A810 ; ******************************
0244 A810 ; REGISTERS FOR DISPLAY (6520)
0245 AC00 *=$AC00
0246 AC00 RA .BLOCK 1 ;REGISTER A
0247 AC01 CRA .BLOCK 1 ;CONTROL REG A
0248 AC02 RB .BLOCK 1 ;REG B
0249 AC03 CRB .BLOCK 1 ;CONTROL REG B
0250 AC04
0251 AC04 ;CHR 00-03 ENA BY $AC04-AC07
0252 AC04 ;CHR 04-07 ENA BY $AC08-AC0B
0253 AC04 ;CHR 08-11 ENA BY $AC10-AC13
0254 AC04 ;CHR 12-15 ENA BY $AC20-AC23
0255 AC04 ;CHR 16-19 ENA BY $AC40-AC43
0256 AC04
0257 AC04 NULLC =$FF
0258 AC04 CR =$0D
0259 AC04 LF =$0A
0260 AC04 ESCAPE =$1B
0261 AC04 RUB =$08
0262 AC04 EQS =$BD
0263 AC04 ;.FILE A1
0264 AC04
0265 AC04 ; E=ENTER EDITOR
0266 AC04 ; T=RE-ENTER EDITOR TO RE-EDIT SOURCE
0267 AC04 ; R=SHOW REGISTERS
0268 AC04 ; M=DISPLAY MEMORY
0269 AC04 ; =SHOW NEXT 4 ADDRESSES
0270 AC04 ; G=GO AT CURRENT P.C. (COUNT)
0271 AC04 ; /=ALTER CURRENT MEMORY
0272 AC04 ; L=LOAD OBJECT
0273 AC04 ; D=DUMP OBJECT
0274 AC04 ; N=ASSEMBLE
0275 AC04 ; *=ALTER P.C.
0276 AC04 ; A=ALTER ACCUMULATOR
0277 AC04 ; X=ALTER X REGISTER
0278 AC04 ; Y=ALTER Y REGISTER
0279 AC04 ; P=ALTER PROCESSOR STATUS
0280 AC04 ; S=ALTER STACK POINTER
0281 AC04 ; B=SET BREAK ADDR
0282 AC04 ; ?=SHOW BREAK ADDRESSES
0283 AC04 ; #=CLEAR BREAK ADDRESSES
0284 AC04 ; H=SHOW TRACE HISTORY STACK
0285 AC04 ; V=TOGGLE REGISTER PRINT WITH DIS.
0286 AC04 ; Z=TOGGLE DISASSEMBLER TRACE
0287 AC04 ; \=TURN ON/OFF PRINTER
0288 AC04 ; =ADV PAPER
0289 AC04 ; I=MNEMONIC ENTRY
0290 AC04 ; K=DISASSEMBLE MEMORY
0291 AC04 ; 1=TOGGLE TAPE 1 CONTRL (ON OR OFF)
0292 AC04 ; 2=TOGGLE TAPE 2 CONTRL
0293 AC04 ; 3=VERIFY CKSUM FOR TAPES
0294 AC04 ; 4=ENABLE BREAKS
0295 AC04 ; 5=BASIC ENTRY (COLD)
0296 AC04 ; 6=BASIC REENTRY (WARM)
0297 AC04
0298 AC04 ;FOLLOWING KEYS ARE UNUSED BUT 'HOOKS'
0299 AC04 ;ARE PROVIDED IN LOCATIONS 010C-0114
0300 AC04 ;
0301 AC04 ; KEYF1,KEYF2,KEYF3
0302 AC04
0303 E000 *=$E000
0304 E000 ;ALL MSGS HAVE MSB=1 OF LAST CHAR TO END IT