2017-10-16 15:41:48 +00:00
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NEW
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2019-04-10 07:45:09 +00:00
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AUTO 3,1
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2017-10-16 15:41:48 +00:00
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.LIST OFF
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.OP 65C02
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.OR $2000
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2019-09-23 14:08:17 +00:00
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.TF BIN/UNPAK
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2017-10-16 15:41:48 +00:00
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*--------------------------------------
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2018-07-23 15:28:42 +00:00
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.INB INC/MACROS.I
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.INB INC/A2OSX.I
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2019-09-23 14:08:17 +00:00
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.INB INC/MLI.E.I
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2018-07-23 15:28:42 +00:00
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.INB INC/LIBPAK.I
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2017-10-16 15:41:48 +00:00
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*--------------------------------------
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2019-09-23 14:08:17 +00:00
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CHNK.SIZE .EQ 4096
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2018-02-09 16:02:47 +00:00
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*--------------------------------------
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2019-09-23 14:08:17 +00:00
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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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ZPInBufPtr .BS 2
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ZPULen .BS 2
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ZPPakHdrPtr .BS 2
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ZPPakDataPtr .BS 2
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ZPPakSrcPtr .BS 2
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ZPFullPathPtr .BS 2
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ZPRelPathPtr .BS 2
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UNPAK.Mask .BS 2
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UNPAK.LastByte .BS 2
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UNPAK.Cnt .BS 2
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UNPAK.Ofs .BS 2
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UNPAK.BLOfs .BS 2
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ZS.END .ED
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2018-02-09 16:02:47 +00:00
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*--------------------------------------
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2017-10-16 15:41:48 +00:00
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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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2019-09-23 14:08:17 +00:00
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.DA #ZS.END-ZS.START Zero Page Size
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2017-10-16 15:41:48 +00:00
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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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2019-09-23 14:08:17 +00:00
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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.ERR .DA MSG.ERR
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L.MSG.E.IARC .DA MSG.E.IARC
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L.MSG.E.OFS .DA MSG.E.OFS
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2019-09-20 15:15:06 +00:00
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L.MSG.DEBUG .DA MSG.DEBUG
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2017-10-16 15:41:48 +00:00
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.DA 0
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*--------------------------------------
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2019-09-20 15:15:06 +00:00
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CS.INIT clc
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rts
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2018-02-05 16:25:25 +00:00
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*--------------------------------------
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2019-09-23 14:08:17 +00:00
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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 .9
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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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2018-02-05 16:25:25 +00:00
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2019-09-23 14:08:17 +00:00
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lda #0
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sec
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.9 rts
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.99 >PUSHBI 0
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2019-09-20 15:15:06 +00:00
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>LDYA L.MSG.USAGE
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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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2019-09-23 14:08:17 +00:00
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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 .9
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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 .9
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jsr CS.RUN.GetFileName
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bcs .9
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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 .9
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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 jsr CS.RUN.GetByte ALG
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bcs .9
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cmp #0 STORE
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bne .9
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jsr CS.RUN.GetByte ULEN LO
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bcs .9
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sta ZPULen
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jsr CS.RUN.GetByte ULEN HI
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bcs .9
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sta ZPULen+1
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2018-02-05 16:25:25 +00:00
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2019-09-23 14:08:17 +00:00
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jsr CS.RUN.ReadData
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bcs .9
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jsr CS.RUN.WriteFile
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bcs .9
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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 ZPFullPathPtr
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>PUSHBI 2
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>LDYA L.MSG.DIR,x
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2018-06-21 15:12:10 +00:00
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>SYSCALL printf
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2019-09-23 14:08:17 +00:00
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rts
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*--------------------------------------
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CS.RUN.OpenArc pha
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>PUSHWZ Aux type
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>PUSHBI $CF PAK
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>PUSHBI O.RDONLY
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pla
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>SYSCALL FOpen
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bcs .9
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>STA.G hArcFile
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pha
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>PUSHWI 3
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>PUSHW ZPInBufPtr
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pla
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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 >LDYA L.MSG.E.IARC
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>SYSCALL puts
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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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>PUSHWI 3
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>PUSHEA.G FileType
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>LDA.G hArcFile
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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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tay
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lda #0
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>PUSHYA
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>PUSHW ZPRelPathPtr
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>LDA.G hArcFile
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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 >PUSHW ZPULen
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>PUSHW ZPInBufPtr
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>LDA.G hArcFile
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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 >PUSHEA.G STAT
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>LDYA ZPFullPathPtr
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>SYSCALL stat
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bcc .1
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>LDYA ZPFullPathPtr
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>SYSCALL mkdir
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rts
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.1 ldy #STAT+S.STAT.P.TYPE
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lda (pData),y
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cmp #$F
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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.G FileAuxType
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>PUSHB.G FileType
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>PUSHBI O.CREATE+O.WRONLY+O.TRUNC
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>LDYA ZPFullPathPtr
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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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>PUSHW ZPULen
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>PUSHW ZPInBufPtr
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>LDA.G hFile
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>SYSCALL fwrite
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rts
|
2018-02-09 16:02:47 +00:00
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*--------------------------------------
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2019-09-20 15:15:06 +00:00
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* Y,A = Ptr to Shunk Header:
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* +0 : Flags
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* 10000000 : LZ8 encoded, 1 byte (ESC) follow
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* 01000000 : BS
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*--------------------------------------
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2019-09-23 14:08:17 +00:00
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CS.RUN.UnpakChnk
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|
lda ZPPakHdrPtr
|
2018-02-09 16:02:47 +00:00
|
|
|
|
clc
|
|
|
|
|
adc #S.PAKSTAT
|
|
|
|
|
sta ZPPakDataPtr
|
|
|
|
|
|
|
|
|
|
lda ZPPakHdrPtr+1
|
|
|
|
|
adc /S.PAKSTAT
|
|
|
|
|
sta ZPPakDataPtr+1
|
|
|
|
|
|
|
|
|
|
lda (ZPPakHdrPtr)
|
|
|
|
|
eor #$ff
|
|
|
|
|
sta UNPAK.Cnt
|
2018-02-05 16:25:25 +00:00
|
|
|
|
|
2018-02-09 16:02:47 +00:00
|
|
|
|
ldy #1
|
|
|
|
|
lda (ZPPakHdrPtr),y
|
|
|
|
|
eor #$ff
|
|
|
|
|
sta UNPAK.Cnt+1
|
|
|
|
|
|
|
|
|
|
lda #$80
|
|
|
|
|
sta UNPAK.Mask
|
|
|
|
|
|
2019-09-23 14:08:17 +00:00
|
|
|
|
|
2018-02-09 16:02:47 +00:00
|
|
|
|
stz UNPAK.Ofs
|
|
|
|
|
stz UNPAK.Ofs+1
|
|
|
|
|
|
|
|
|
|
.1 inc UNPAK.Cnt
|
|
|
|
|
bne .2
|
|
|
|
|
inc UNPAK.Cnt+1
|
|
|
|
|
bne .2
|
|
|
|
|
|
|
|
|
|
lda #0
|
|
|
|
|
sec
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.2 lda #'>'
|
2018-07-18 15:30:42 +00:00
|
|
|
|
>SYSCALL PutChar
|
2018-02-09 16:02:47 +00:00
|
|
|
|
|
|
|
|
|
jsr CS.RUN.UnpakGetBitInC
|
|
|
|
|
bcs .3
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
* SHORT3
|
|
|
|
|
ldx #3
|
|
|
|
|
jsr CS.RUN.UnpakGetXBitInA
|
|
|
|
|
clc
|
2019-09-23 14:08:17 +00:00
|
|
|
|
* adc #S.PAKHDR.SHORT3
|
2018-02-09 16:02:47 +00:00
|
|
|
|
tay
|
|
|
|
|
lda (ZPPakHdrPtr),y
|
|
|
|
|
sta UNPAK.LastByte
|
2019-09-23 14:08:17 +00:00
|
|
|
|
|
2018-02-09 16:02:47 +00:00
|
|
|
|
jsr CS.RUN.UnpakCmpA
|
|
|
|
|
bcs .9
|
|
|
|
|
bra .1
|
|
|
|
|
|
|
|
|
|
.3 jsr CS.RUN.UnpakGetBitInC
|
|
|
|
|
bcs .4
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
* SHORT4
|
|
|
|
|
ldx #4
|
|
|
|
|
jsr CS.RUN.UnpakGetXBitInA
|
|
|
|
|
clc
|
2019-09-23 14:08:17 +00:00
|
|
|
|
* adc #S.PAKHDR.SHORT4
|
2018-02-09 16:02:47 +00:00
|
|
|
|
tay
|
|
|
|
|
lda (ZPPakHdrPtr),y
|
|
|
|
|
sta UNPAK.LastByte
|
|
|
|
|
jsr CS.RUN.UnpakCmpA
|
|
|
|
|
bcs .9
|
|
|
|
|
bra .1
|
|
|
|
|
|
|
|
|
|
.4 jsr CS.RUN.UnpakGetBitInC
|
|
|
|
|
bcs .5
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
* REPn
|
|
|
|
|
ldx #4
|
|
|
|
|
jsr CS.RUN.UnpakGetXBitInA
|
|
|
|
|
tay
|
|
|
|
|
tax
|
|
|
|
|
lda UNPAK.LastByte
|
|
|
|
|
|
|
|
|
|
.41 jsr CS.RUN.UnpakCmpA
|
|
|
|
|
bcs .9
|
|
|
|
|
dey
|
|
|
|
|
bne .41
|
|
|
|
|
|
|
|
|
|
.42 txa
|
|
|
|
|
clc
|
|
|
|
|
adc UNPAK.Cnt
|
|
|
|
|
sta UNPAK.Cnt
|
|
|
|
|
bcc .2
|
|
|
|
|
inc UNPAK.Cnt+1
|
|
|
|
|
bra .2
|
|
|
|
|
|
|
|
|
|
.5 jsr CS.RUN.UnpakGetBitInC
|
|
|
|
|
bcs .6
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
* BACKLINK
|
|
|
|
|
ldx #4
|
|
|
|
|
jsr CS.RUN.UnpakGetXBitInA
|
|
|
|
|
sta UNPAK.BLOfs+1
|
|
|
|
|
jsr CS.RUN.UnpakGetByteInA
|
|
|
|
|
sta UNPAK.BLOfs
|
|
|
|
|
jsr CS.RUN.UnpakGetByteInA
|
|
|
|
|
tax
|
|
|
|
|
tay
|
|
|
|
|
|
|
|
|
|
.51
|
|
|
|
|
bra .42
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
* STOREn
|
|
|
|
|
.6 ldx #4
|
|
|
|
|
jsr CS.RUN.UnpakGetXBitInA
|
|
|
|
|
tay
|
|
|
|
|
tax
|
|
|
|
|
|
|
|
|
|
.61 jsr CS.RUN.UnpakGetByteInA
|
|
|
|
|
dey
|
|
|
|
|
bne .61
|
|
|
|
|
|
|
|
|
|
sta UNPAK.LastByte
|
|
|
|
|
|
|
|
|
|
bra .42
|
|
|
|
|
|
|
|
|
|
.9 >PUSHW UNPAK.Ofs
|
2018-08-23 15:16:20 +00:00
|
|
|
|
>PUSHBI 2
|
2019-09-23 14:08:17 +00:00
|
|
|
|
>LDYA L.MSG.ERR
|
2018-06-21 15:12:10 +00:00
|
|
|
|
>SYSCALL printf
|
2018-02-09 16:02:47 +00:00
|
|
|
|
|
2018-02-05 16:25:25 +00:00
|
|
|
|
lda #0
|
|
|
|
|
sec
|
2018-02-09 16:02:47 +00:00
|
|
|
|
rts
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
CS.RUN.UnpakGetByteInA
|
|
|
|
|
ldx #8
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
CS.RUN.UnpakGetXBitInA
|
|
|
|
|
lda #0
|
|
|
|
|
|
|
|
|
|
.1 jsr CS.RUN.UnpakGetBitInC
|
|
|
|
|
rol
|
|
|
|
|
dex
|
|
|
|
|
bne .1
|
|
|
|
|
|
|
|
|
|
rts
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
CS.RUN.UnpakGetBitInC
|
|
|
|
|
pha
|
|
|
|
|
clc
|
|
|
|
|
lda (ZPPakDataPtr)
|
|
|
|
|
and UNPAK.Mask
|
|
|
|
|
beq .1
|
|
|
|
|
sec
|
|
|
|
|
|
|
|
|
|
.1 php
|
|
|
|
|
|
|
|
|
|
lsr UNPAK.Mask
|
|
|
|
|
bne .8
|
|
|
|
|
|
|
|
|
|
lda #$80
|
|
|
|
|
sta UNPAK.Mask
|
|
|
|
|
|
|
|
|
|
inc ZPPakDataPtr
|
|
|
|
|
bne .8
|
|
|
|
|
inc ZPPakDataPtr+1
|
|
|
|
|
|
|
|
|
|
.8 plp
|
|
|
|
|
pla
|
|
|
|
|
rts
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
CS.RUN.UnpakCmpA
|
|
|
|
|
cmp (ZPPakSrcPtr)
|
|
|
|
|
bne .9
|
|
|
|
|
inc ZPPakSrcPtr
|
|
|
|
|
bne .1
|
|
|
|
|
inc ZPPakSrcPtr+1
|
|
|
|
|
|
|
|
|
|
.1 inc UNPAK.Ofs
|
|
|
|
|
bne .8
|
|
|
|
|
inc UNPAK.Ofs+1
|
|
|
|
|
|
|
|
|
|
.8 clc
|
|
|
|
|
rts
|
|
|
|
|
|
|
|
|
|
.9 sec
|
|
|
|
|
rts
|
|
|
|
|
*--------------------------------------
|
2017-10-16 15:41:48 +00:00
|
|
|
|
CS.DOEVENT sec
|
|
|
|
|
rts
|
|
|
|
|
*--------------------------------------
|
2019-09-23 14:08:17 +00:00
|
|
|
|
CS.QUIT >LDA.G hFile
|
2018-02-05 16:25:25 +00:00
|
|
|
|
beq .1
|
|
|
|
|
|
2019-09-23 14:08:17 +00:00
|
|
|
|
>SYSCALL fclose
|
2018-02-05 16:25:25 +00:00
|
|
|
|
|
2019-09-23 14:08:17 +00:00
|
|
|
|
.1 >LDA.G hFullPath
|
2018-02-05 16:25:25 +00:00
|
|
|
|
beq .2
|
|
|
|
|
|
2018-07-18 15:30:42 +00:00
|
|
|
|
>SYSCALL FreeMem
|
2018-02-05 16:25:25 +00:00
|
|
|
|
|
2019-09-23 14:08:17 +00:00
|
|
|
|
.2 >LDA.G hOutBuf
|
|
|
|
|
beq .3
|
|
|
|
|
|
|
|
|
|
>SYSCALL FreeMem
|
|
|
|
|
|
|
|
|
|
.3 >LDA.G hInBuf
|
|
|
|
|
beq .4
|
2018-02-05 16:25:25 +00:00
|
|
|
|
|
2018-07-18 15:30:42 +00:00
|
|
|
|
>SYSCALL FreeMem
|
2018-02-05 16:25:25 +00:00
|
|
|
|
|
2019-09-23 14:08:17 +00:00
|
|
|
|
.4 >LDA.G hArcFile
|
|
|
|
|
beq .8
|
|
|
|
|
|
|
|
|
|
>SYSCALL fclose
|
|
|
|
|
|
2019-09-20 15:15:06 +00:00
|
|
|
|
.8 clc
|
2017-10-16 15:41:48 +00:00
|
|
|
|
rts
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
CS.END
|
2019-09-23 14:08:17 +00:00
|
|
|
|
MSG.USAGE .AZ "Usage : UNPAK Archive [DstDir]\r\n"
|
|
|
|
|
MSG.DIR .AZ "Creating Dir:%s..."
|
|
|
|
|
MSG.FILE .AZ "Extracting File:%s..."
|
|
|
|
|
MSG.OK .AZ "[OK]"
|
|
|
|
|
MSG.ERR .AZ "[%h]\r\n"
|
|
|
|
|
MSG.E.IARC .AZ "Invalid/corrupt archive"
|
|
|
|
|
MSG.E.OFS .AZ "UnPak Error at Offset : %L\r\n"
|
|
|
|
|
MSG.PAK .AS "PAK"
|
2018-08-23 15:16:20 +00:00
|
|
|
|
*--------------------------------------
|
2019-09-20 15:15:06 +00:00
|
|
|
|
MSG.DEBUG .AS "Src Length : %D\r\n"
|
2018-02-08 16:39:56 +00:00
|
|
|
|
.AS "Pass #1 : %D\r\n"
|
|
|
|
|
.AS "Pass #2 : %D\r\n"
|
2018-02-05 16:25:25 +00:00
|
|
|
|
.AS "BL Count : %D\r\n"
|
|
|
|
|
.AS "REP Count : %D\r\n"
|
|
|
|
|
.AS "S3 Count : %D\r\n"
|
|
|
|
|
.AS "S4 Count : %D\r\n"
|
|
|
|
|
.AZ "STO Count : %D\r\n"
|
2017-10-16 15:41:48 +00:00
|
|
|
|
*--------------------------------------
|
|
|
|
|
.DUMMY
|
|
|
|
|
.OR 0
|
|
|
|
|
DS.START
|
2019-09-23 14:08:17 +00:00
|
|
|
|
hArcFile .BS 1
|
|
|
|
|
hFullPath .BS 1
|
|
|
|
|
hInBuf .BS 1
|
|
|
|
|
hOutBuf .BS 1
|
|
|
|
|
hFile .BS 1
|
|
|
|
|
FileType .BS 1
|
|
|
|
|
FileAuxType .BS 2
|
|
|
|
|
STAT .BS S.STAT
|
2017-10-16 15:41:48 +00:00
|
|
|
|
DS.END
|
|
|
|
|
.ED
|
|
|
|
|
*--------------------------------------
|
|
|
|
|
MAN
|
2019-09-23 14:08:17 +00:00
|
|
|
|
SAVE USR/SRC/BIN/UNPAK.S
|
2017-10-16 15:41:48 +00:00
|
|
|
|
ASM
|