mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-22 16:31:07 +00:00
409 lines
7.0 KiB
Plaintext
409 lines
7.0 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF bin/unpak
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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/mli.e.i
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.INB inc/pak.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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ZPPtr1 .BS 2
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ZPPtr2 .BS 2
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ZPInBufPtr .BS 2
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ZPOutBufPtr .BS 2
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ZPnCnt .BS 2
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ZPInMask .BS 1
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ZPBLOfsLBits .BS 1
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ZPBLOfsHBits .BS 1
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ZPBLLenBits .BS 1
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ZPInBufLen .BS 2
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ZPOutBufLen .BS 2
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ZPFullPathPtr .BS 2
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ZPRelPathPtr .BS 2
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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
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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 #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.DIR .DA MSG.DIR
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L.MSG.FILE .DA MSG.FILE
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L.MSG.OK .DA MSG.OK
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L.MSG.E.IARC .DA MSG.E.IARC
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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 >LDYAI CHNK.SIZE
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>SYSCALL GetMem
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bcs .9
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>STYA ZPInBufPtr
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txa
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>STA.G hInBuf
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lda #1
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>SYSCALL ArgV
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bcs .99
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jsr CS.RUN.OpenArc
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bcs .9
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>LDYAI 256
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>SYSCALL GetMem
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bcs .9
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>STYA ZPFullPathPtr
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txa
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>STA.G hFullPath
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lda #2
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>SYSCALL ArgV
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bcc .1
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ldy #S.PS.hCWD
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lda (pPS),y
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>SYSCALL GetMemPtr
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.1 jsr CS.RUN.SetupPath
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>LDYAI CHNK.SIZE
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>SYSCALL GetMem
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bcs .9
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txa
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>STA.G hOutBuf
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jsr CS.RUN.LOOP
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bcs .9
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lda #0
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sec
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.9 rts
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.99 >PUSHW L.MSG.USAGE
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>PUSHBI 0
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>SYSCALL PrintF
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lda #E.SYN
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sec
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rts
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*--------------------------------------
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CS.RUN.SetupPath
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>STYA ZPPtr1
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ldy #$ff
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.2 iny
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lda (ZPPtr1),y
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sta (ZPFullPathPtr),y
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bne .2
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dey
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lda #'/'
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cmp (ZPFullPathPtr),y
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beq .3
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iny
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sta (ZPFullPathPtr),y
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.3 tya
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sec
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adc ZPFullPathPtr
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sta ZPRelPathPtr
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lda #0
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adc ZPFullPathPtr+1
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sta ZPRelPathPtr+1
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rts
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*--------------------------------------
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CS.RUN.LOOP jsr CS.RUN.GetByte
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bcs .9
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.10 cmp #CHNK.T.DIR
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bne .1
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jsr CS.RUN.GetFileName
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bcs .99
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ldx #0
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jsr CS.RUN.PrintFN
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jsr CS.RUN.CheckDir
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bcs .99
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>LDYA L.MSG.OK
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>SYSCALL PutS
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bra CS.RUN.LOOP
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clc
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.99 rts
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.9 jmp CS.RUN.E.IARC
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.1 cmp #CHNK.T.FILE
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bne .9
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jsr CS.RUN.GetFileType
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bcs .99
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jsr CS.RUN.GetFileName
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bcs .99
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ldx #2
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jsr CS.RUN.PrintFN
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jsr CS.RUN.OpenFile
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bcs .99
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*--------------------------------------
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jsr CS.RUN.GetByte DATA
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bcs .8 eof
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.2 cmp #CHNK.T.DATA
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bne .3 Could be a 0 byte file
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.20 lda #'.'
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>SYSCALL PutChar
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jsr CS.RUN.GetByte DataLen LO
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bcs .99
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sta ZPInBufLen
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jsr CS.RUN.GetByte DataLen HI
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bcs .99
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sta ZPInBufLen+1
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jsr CS.RUN.ReadData
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bcs .99
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ldy #1
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lda (ZPInBufPtr),y
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sta ZPOutBufLen
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iny
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lda (ZPInBufPtr),y
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sta ZPOutBufLen+1
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>LDA.G hOutBuf
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>SYSCALL GetMemPtr
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>STYA ZPOutBufPtr
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jsr X.Unpak
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bcs .9
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jsr CS.RUN.WriteFile
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bcs .99
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jsr CS.RUN.GetByte
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bcs .8
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cmp #CHNK.T.DATA
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beq .20
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.3 pha
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jsr .8
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pla
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jmp .10
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.8 >LDA.G hFile
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>SYSCALL FClose
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>LDYA L.MSG.OK
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>SYSCALL PutS
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rts
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*--------------------------------------
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CS.RUN.PrintFN >PUSHW L.MSG.DIR,x
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>PUSHW ZPFullPathPtr
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>PUSHBI 2
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>SYSCALL PrintF
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rts
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*--------------------------------------
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CS.RUN.OpenArc >PUSHYA
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>PUSHBI O.RDONLY
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>PUSHBI $CF PAK
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>PUSHWZ Aux type
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>SYSCALL FOpen
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bcs .9
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>STA.G hArcFile
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>PUSHA
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>PUSHW ZPInBufPtr
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>PUSHWI 3
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>SYSCALL FRead
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bcs .9
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cpy #3
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bne .99
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dey
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.1 lda MSG.PAK,y
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cmp (ZPInBufPtr),y
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bne .99
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dey
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bpl .1
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clc
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.9 rts
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.99
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CS.RUN.E.IARC >PUSHW L.MSG.E.IARC
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>PUSHBI 0
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>SYSCALL PrintF
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lda #E.SYN
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sec
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rts
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*--------------------------------------
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CS.RUN.GetFileType
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>PUSHB.G hArcFile
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>PUSHEA.G FileType
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>PUSHWI 3
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>SYSCALL FRead
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rts
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*--------------------------------------
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CS.RUN.GetFileName
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jsr CS.RUN.GetByte
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bcs .9
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pha
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>PUSHB.G hArcFile
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>PUSHW ZPRelPathPtr
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ply
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lda #0
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>PUSHYA
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>SYSCALL FRead
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bcs .9
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lda #0
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sta (ZPRelPathPtr),y
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* clc
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.9 rts
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*--------------------------------------
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CS.RUN.ReadData >PUSHB.G hArcFile
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>LDA.G hInBuf
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>SYSCALL GetMemPtr
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>STYA ZPInBufPtr
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>PUSHYA
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>PUSHW ZPInBufLen
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>SYSCALL FRead
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rts
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*--------------------------------------
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CS.RUN.GetByte >LDA.G hArcFile
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>SYSCALL GetC
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rts
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*--------------------------------------
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CS.RUN.CheckDir >PUSHW ZPFullPathPtr
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>PUSHEA.G STAT
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>SYSCALL Stat
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bcc .1
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>PUSHW ZPFullPathPtr
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>PUSHWI S.STAT.MODE.FO+S.STAT.MODE.FG+S.STAT.MODE.FU
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>SYSCALL MKDir
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rts
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.1 ldy #STAT+S.STAT.MODE+1
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lda (pData),y
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and #$F0
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cmp /S.STAT.MODE.DIR
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bne .99
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clc
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rts
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.99 lda #MLI.E.INVPATH
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sec
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.9 rts
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*--------------------------------------
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CS.RUN.OpenFile >PUSHW ZPFullPathPtr
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>PUSHBI O.CREATE+O.WRONLY+O.TRUNC
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>PUSHB.G FileType
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>PUSHW.G FileAuxType
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>SYSCALL FOpen
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bcs .9
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>STA.G hFile
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.9 rts
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*--------------------------------------
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CS.RUN.WriteFile
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>PUSHB.G hFile
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>LDA.G hOutBuf
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>SYSCALL GetMemPtr
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>PUSHYA
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>PUSHW ZPOutBufLen
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>SYSCALL FWrite
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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.QUIT >LDA.G hFile
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beq .1
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>SYSCALL FClose
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.1 >LDA.G hFullPath
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beq .2
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>SYSCALL FreeMem
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.2 >LDA.G hOutBuf
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beq .3
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>SYSCALL FreeMem
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.3 >LDA.G hInBuf
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beq .4
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>SYSCALL FreeMem
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.4 >LDA.G hArcFile
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beq .8
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>SYSCALL FClose
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.8 clc
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rts
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*--------------------------------------
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.INB usr/src/shared/x.unpak.s
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*--------------------------------------
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CS.END
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MSG.USAGE .AZ "Usage : UNPAK Archive [DstDir]\r\n"
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MSG.DIR .AZ "Creating Dir:%s..."
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MSG.FILE .AZ "Extracting File:%s..."
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MSG.OK .AZ "[OK]"
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MSG.E.IARC .AZ "\r\nInvalid/corrupt archive"
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MSG.PAK .AS "PAK"
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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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hArcFile .BS 1
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hFullPath .BS 1
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hInBuf .BS 1
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hOutBuf .BS 1
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hFile .BS 1
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FileType .BS 1
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FileAuxType .BS 2
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STAT .BS S.STAT
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DS.END
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.ED
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*--------------------------------------
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MAN
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SAVE usr/src/bin/unpak.s
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ASM
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