2021-06-23 15:22:33 +00:00
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NEW
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AUTO 3,1
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2021-06-20 22:29:06 +00:00
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF bin/xargs
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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/kernel.i
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.INB inc/mli.i
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.INB inc/mli.e.i
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*--------------------------------------
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.DUMMY
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.OR ZPBIN
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ZS.START
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ArgIndex .BS 1
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ArgPattern .BS 1
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ZPPtr1 .BS 2
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ZPCommandPtr .BS 2
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ZPBufPtr .BS 2
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ZPCmdBuf .BS 2
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hFile .BS 1
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hBuf .BS 1
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hCmdBuf .BS 1
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DashArgs .BS 1
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ZS.END .ED
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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 S.PS.F.EVENT
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.DA #0
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.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data Segment Size
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.DA #16 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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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.CRLF .DA MSG.CRLF
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L.CMD.SPC .DA CMD.SPC
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.DA 0
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*--------------------------------------
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CS.INIT clc
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rts
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*--------------------------------------
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CS.RUN jsr CS.RUN.CheckArgs
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bcs CS.RUN.LOOP.RTS
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CS.RUN.LOOP >SLEEP
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>PUSHB hFile
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>PUSHW ZPBufPtr
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>PUSHWI 256
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>SYSCALL FGetS
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bcs .9
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.2 jsr CS.RUN.PRINT
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bcc CS.RUN.LOOP
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rts
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.9 cmp #MLI.E.EOF
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bne .99
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lda #0 Exit with no Error
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.99 sec
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CS.RUN.LOOP.RTS rts
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*--------------------------------------
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CS.RUN.CheckArgs
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jsr CS.RUN.NextArg
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bcs .4
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lda (ZPPtr1)
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cmp #'-'
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beq .1
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lda ArgPattern
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bne .11
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lda ArgIndex
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sta ArgPattern
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>LDYA ZPPtr1
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>STYA ZPCommandPtr
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bra CS.RUN.CheckArgs
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.11 lda hFile
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bne .97
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>LDYA ZPPtr1
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jsr CS.RUN.OPEN
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bcs .9
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sta hFile
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bra CS.RUN.CheckArgs
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.1 ldy #1
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lda (ZPPtr1),y
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ldx #OptionList.Cnt-1
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.2 cmp OptionList,x
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beq .3
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dex
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bpl .2
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bra .97
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.3 txa
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lsr
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beq .98
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tax
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lda #$80
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sta DashArgs-1,x
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bra CS.RUN.CheckArgs
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.4 lda hFile
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bne .80
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ldy #S.PS.hStdIn
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lda (pPS),y
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tax
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lsr
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bcs .97
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lda Nod.Table.hFD-2,x
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>SYSCALL GetMemPtr
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>STYA ZPPtr1
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lda (ZPPtr1)
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cmp #S.FD.T.PIPE
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bne .97
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ldy #S.PS.hStdIn
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lda (pPS),y
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sta hFile
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.80 >LDYAI 256
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>SYSCALL GetMem
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bcs .9
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>STYA ZPBufPtr
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stx hBuf
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>LDYAI 256
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>SYSCALL GetMem
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bcs .9
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>STYA ZPCmdBuf
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stx hCmdBuf
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* clc
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.9 rts
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.97 lda #E.SYN
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.98 pha
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>PUSHW L.MSG.USAGE
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>PUSHBI 0
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>SYSCALL PrintF
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pla
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sec
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rts
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*--------------------------------------
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CS.RUN.NextArg inc ArgIndex
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lda ArgIndex
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>SYSCALL ArgV
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bcs .9
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>STYA ZPPtr1
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.9 rts
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*--------------------------------------
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CS.RUN.OPEN >PUSHYA
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>PUSHBI O.RDONLY+O.TEXT
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>PUSHBI S.FI.T.TXT
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>PUSHWZ Aux type
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>SYSCALL FOpen
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bcs .9
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sta hFile
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.9 rts
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*--------------------------------------
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CS.RUN.PRINT >PUSHW ZPCmdBuf
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>PUSHW ZPCommandPtr
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>SYSCALL StrCpy
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>PUSHW ZPCmdBuf
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>PUSHW L.CMD.SPC
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>SYSCALL StrCat
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>PUSHW ZPCmdBuf
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>LDYA ZPBufPtr
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>PUSHYA
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>SYSCALL StrCat
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>LDYA ZPCmdBuf
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>SYSCALL PutS
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>PUSHW ZPCmdBuf
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>PUSHBI S.PS.F.HOLD
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>SYSCALL ExecL
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rts
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*--------------------------------------
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CS.QUIT lda hFile
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beq .1
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>SYSCALL FClose
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.1 lda hBuf
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beq .8
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>SYSCALL FreeMem
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lda hCmdBuf
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beq .8
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>SYSCALL FreeMem
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.8 clc
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rts
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*--------------------------------------
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CS.DOEVENT sec
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rts
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*--------------------------------------
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CS.END
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*--------------------------------------
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OptionList .AS "Hh"
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OptionList.Cnt .EQ *-OptionList
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*--------------------------------------
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MSG.USAGE .AS "Usage : XARGS command <file>\r\n"
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.AS " or : CMD|XARGS command"
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MSG.CRLF .AZ "\r\n"
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CMD.SPC .AZ " "
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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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DS.END .ED
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*--------------------------------------
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2021-06-23 15:22:33 +00:00
|
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MAN
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SAVE usr/src/bin/xargs.s
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ASM
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