mirror of
https://github.com/A2osX/A2osX.git
synced 2024-08-12 14:29:33 +00:00
250 lines
4.7 KiB
Plaintext
250 lines
4.7 KiB
Plaintext
NEW
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PREFIX /A2OSX.BUILD
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AUTO 4,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF SBIN/GETTY
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*--------------------------------------
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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.INB INC/NET.TELNET.I
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*--------------------------------------
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TIMEOUT.MAX .EQ 100 10 sec.
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA 0
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.DA CS.END-CS.START CS
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.DA DS.END-DS.START DS
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.DA #64 SS
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.DA #0 ZP
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.MSG.USAGE .DA MSG.USAGE
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L.MSG.GREETINGS .DA MSG.GREETINGS
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L.TELNETOPTS .DA TELNETOPTS
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L.ENV.TERM .DA ENV.TERM
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.DA 0 End Of Reloc Table
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*--------------------------------------
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CS.INIT ldy #S.PS.ARGC
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lda (pPs),y
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cmp #2
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bne .90
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>PUSHBI 0
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lda #1
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>SYSCALL GetArg get /dev/xxx
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>SYSCALL open
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bcs .9
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ldy #S.PS.hStdIn
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sta (pPs),y
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iny #S.PS.hStdOut
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sta (pPs),y
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iny #S.PS.hStdErr
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sta (pPs),y
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>STA.G hDEV
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lda #2
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>SYSCALL GetArg
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bcs .9
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lda (pPs)
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ora #S.PS.F.EVENT Now accept events
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sta (pPs)
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clc
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rts
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.90 >LDYA L.MSG.USAGE
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>SYSCALL puts
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lda #0
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sec
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.9 rts
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*--------------------------------------
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CS.RUN >PUSHWI TELNETOPTS.LEN
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>PUSHW L.TELNETOPTS
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ldy #S.PS.hStdOut
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lda (pPs),y
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>SYSCALL write
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bcs CS.RUN.8
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>PUSHWI K.VER
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>PUSHBI 2
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>LDYA L.MSG.GREETINGS
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>SYSCALL printf
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bcs CS.RUN.8 unable to send greetings...reset..
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jsr Init.Timeout
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CS.RUN.LOOP
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* >SLEEP
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*.1 >SYSCALL GetChar
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* bcs .2
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* cmp #IAC
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* beq CS.RUN.IACMODE
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*.2 jsr Wait.Timeout
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* bcc .1
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lda #2
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>SYSCALL GetArg
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>SYSCALL ExecPS
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rts
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CS.RUN.8 clc
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rts
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*--------------------------------------
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CS.RUN.IACMODE >SLEEP Wait for IAC VERB (or SB)
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>SYSCALL GetChar
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bcs CS.RUN.IACMODE
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>STA.G IAC.VERB
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.1 >SLEEP Wait for IAC OPT
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>SYSCALL GetChar
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bcs .1
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>STA.G IAC.OPT
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>LDA.G IAC.VERB
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cmp #SB
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beq CS.RUN.IACSB
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*--------------------------------------
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CS.RUN.IACVERB
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jmp CS.RUN.LOOP
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*--------------------------------------
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CS.RUN.IACSB
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.1 >SLEEP
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>SYSCALL GetChar
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bcs .1
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>STA.G IAC.SB
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lda #0
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sta (pData) reset IAC.SB.DATA
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.2 >SLEEP
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>SYSCALL GetChar
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bcs .2
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cmp #IAC
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beq .4 end of DATA, go wait SE
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pha
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ldy #IAC.SB.DATA-1
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.3 iny
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lda (pData),y
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bne .3
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pla
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sta (pData),y
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iny
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lda #0
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sta (pData),y
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bra .2
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.4 >SLEEP
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>SYSCALL GetChar
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bcs .4
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cmp #SE
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bne .8
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>LDA.G IAC.OPT
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cmp #TELOPT.TTYPE
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bne .8
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>LDA.G IAC.SB
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cmp #SB.IS
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bne .8
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>PUSHEA.G IAC.SB.DATA
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>LDYA L.ENV.TERM
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>SYSCALL SetEnv
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.8 jmp CS.RUN.LOOP
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*--------------------------------------
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CS.DOEVENT lda (pEvent)
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bpl .9 is it a TIMER event?
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>LDA.G TimeOut
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beq .9
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dec
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sta (pData),y
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.9 sec do not discard TIMER event
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rts
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*--------------------------------------
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CS.QUIT >LDA.G hDEV
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beq .8
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>SYSCALL close
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.8 clc
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rts
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*--------------------------------------
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Init.Timeout lda #TIMEOUT.MAX
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>STA.G TimeOut
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rts
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*--------------------------------------
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Wait.TimeOut sec
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>LDA.G TimeOut
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beq .9
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clc
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.9 rts
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*--------------------------------------
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CS.END
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MSG.USAGE .AZ "Usage : GETTY <DEV> <PROGRAM>"
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MSG.GREETINGS .AZ "\r\nA2osX-GeTTY %d.%d\r\n"
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*--------------------------------------
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TELNETOPTS .DA #IAC,#WILL,#TELOPT.BINARY
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.DA #IAC,#WILL,#TELOPT.ECHO
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* .DA #IAC,#DONT,#TELOPT.ECHO
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.DA #IAC,#WILL,#TELOPT.SGA
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.DA #IAC,#DO,#TELOPT.SGA
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.DA #IAC,#DO,#TELOPT.NAWS
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.DA #IAC,#DO,#TELOPT.TTYPE
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.DA #IAC,#DONT,#TELOPT.LINEMODE
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* .DA #IAC,#SB,#TELOPT.LINEMODE,#SB.SEND,#0,#IAC,#SE
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* .DA #IAC,#SB,#TELOPT.TTYPE,#SB.SEND,#IAC,#SE
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TELNETOPTS.LEN .EQ *-TELNETOPTS
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ENV.TERM .AZ "TERM"
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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IAC.SB.DATA .BS 64
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IAC.VERB .BS 1
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IAC.OPT .BS 1
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IAC.SB .BS 1
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hDEV .BS 1
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TimeOut .BS 1
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DS.END .ED
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MAN
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SAVE /A2OSX.SRC/SBIN/GETTY.S
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ASM
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