A2osX/BIN/UNPAK.S.txt

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NEW
2019-04-10 07:45:09 +00:00
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
2020-02-29 14:06:28 +00:00
.TF bin/unpak
*--------------------------------------
2018-07-23 15:28:42 +00:00
.INB INC/MACROS.I
.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
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
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ZPPtr2 .BS 2
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ZPInBufPtr .BS 2
ZPOutBufPtr .BS 2
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ZPnCnt .BS 2
ZPInMask .BS 1
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ZPBLOfsLBits .BS 1
ZPBLOfsHBits .BS 1
ZPBLLenBits .BS 1
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ZPInBufLen .BS 2
ZPOutBufLen .BS 2
ZPFullPathPtr .BS 2
ZPRelPathPtr .BS 2
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ZS.END .ED
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*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #64 SS
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.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
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*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
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L.MSG.USAGE .DA MSG.USAGE
L.MSG.DIR .DA MSG.DIR
L.MSG.FILE .DA MSG.FILE
L.MSG.OK .DA MSG.OK
L.MSG.E.IARC .DA MSG.E.IARC
.DA 0
*--------------------------------------
2019-09-20 15:15:06 +00:00
CS.INIT clc
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
>STYA ZPInBufPtr
txa
>STA.G hInBuf
lda #1
>SYSCALL Argv
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bcs .99
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jsr CS.RUN.OpenArc
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
txa
>STA.G hFullPath
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lda #2
>SYSCALL Argv
bcc .1
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ldy #S.PS.hCWD
lda (pPS),y
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>SYSCALL GetMemptr
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.1 jsr CS.RUN.SetupPath
>LDYAI CHNK.SIZE
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>SYSCALL GetMem
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bcs .9
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txa
>STA.G hOutBuf
jsr CS.RUN.LOOP
bcs .9
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lda #0
sec
.9 rts
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.99 >PUSHW L.MSG.USAGE
>PUSHBI 0
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>SYSCALL PrintF
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lda #E.SYN
sec
rts
*--------------------------------------
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CS.RUN.SetupPath
>STYA ZPPtr1
ldy #$ff
.2 iny
lda (ZPPtr1),y
sta (ZPFullPathPtr),y
bne .2
dey
lda #'/'
cmp (ZPFullPathPtr),y
beq .3
iny
sta (ZPFullPathPtr),y
.3 tya
sec
adc ZPFullPathPtr
sta ZPRelPathPtr
lda #0
adc ZPFullPathPtr+1
sta ZPRelPathPtr+1
rts
*--------------------------------------
CS.RUN.LOOP jsr CS.RUN.GetByte
bcs .9
.10 cmp #CHNK.T.DIR
bne .1
jsr CS.RUN.GetFileName
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bcs .99
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ldx #0
jsr CS.RUN.PrintFN
jsr CS.RUN.CheckDir
bcs .99
>LDYA L.MSG.OK
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>SYSCALL PutS
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bra CS.RUN.LOOP
clc
.99 rts
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.9 jmp CS.RUN.E.IARC
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.1 cmp #CHNK.T.FILE
bne .9
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
jsr CS.RUN.PrintFN
jsr CS.RUN.OpenFile
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bcs .99
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*--------------------------------------
jsr CS.RUN.GetByte DATA
bcs .8 eof
.2 cmp #CHNK.T.DATA
bne .3 Could be a 0 byte file
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.20 lda #'.'
>SYSCALL putchar
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
lda (ZPInBufPtr),y
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sta ZPOutBufLen
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iny
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lda (ZPInBufPtr),y
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
bcs .8
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cmp #CHNK.T.DATA
beq .20
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.3 pha
jsr .8
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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CS.RUN.PrintFN >PUSHW L.MSG.DIR,x
>PUSHW ZPFullPathPtr
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>PUSHBI 2
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>SYSCALL PrintF
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rts
*--------------------------------------
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CS.RUN.OpenArc >PUSHYA
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>PUSHBI O.RDONLY
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>PUSHBI $CF PAK
>PUSHWZ Aux type
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>SYSCALL FOpen
bcs .9
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>STA.G hArcFile
pha
>PUSHWI 3
>PUSHW ZPInBufPtr
pla
>SYSCALL fread
bcs .9
cpy #3
bne .99
dey
.1 lda MSG.PAK,y
cmp (ZPInBufPtr),y
bne .99
dey
bpl .1
clc
.9 rts
.99
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CS.RUN.E.IARC >PUSHW L.MSG.E.IARC
>PUSHBI 0
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>SYSCALL PrintF
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lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.GetFileType
>PUSHWI 3
>PUSHEA.G FileType
>LDA.G hArcFile
>SYSCALL fread
rts
*--------------------------------------
CS.RUN.GetFileName
jsr CS.RUN.GetByte
bcs .9
tay
lda #0
>PUSHYA
>PUSHW ZPRelPathPtr
>LDA.G hArcFile
>SYSCALL fread
bcs .9
lda #0
sta (ZPRelPathPtr),y
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* clc
.9 rts
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*--------------------------------------
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CS.RUN.ReadData >PUSHW ZPInBufLen
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>LDA.G hInBuf
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>SYSCALL GetMemptr
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>STYA ZPInBufPtr
>PUSHYA
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>LDA.G hArcFile
>SYSCALL fread
rts
*--------------------------------------
CS.RUN.GetByte >LDA.G hArcFile
>SYSCALL getc
rts
*--------------------------------------
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CS.RUN.CheckDir >PUSHW ZPFullPathPtr
>PUSHEA.G STAT
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>SYSCALL stat
bcc .1
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>PUSHW ZPFullPathPtr
>PUSHWI S.STAT.MODE.FO+S.STAT.MODE.FG+S.STAT.MODE.FU
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>SYSCALL mkdir
rts
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.1 ldy #STAT+S.STAT.P.TYPE
lda (pData),y
cmp #$F
bne .99
clc
rts
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2019-09-23 14:08:17 +00:00
.99 lda #MLI.E.INVPATH
sec
.9 rts
*--------------------------------------
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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
>PUSHW.G FileAuxType
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>SYSCALL FOpen
bcs .9
>STA.G hFile
.9 rts
*--------------------------------------
CS.RUN.WriteFile
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>PUSHW ZPOutBufLen
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>LDA.G hOutBuf
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>SYSCALL GetMemptr
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>PUSHYA
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>LDA.G hFile
>SYSCALL fwrite
rts
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*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
2019-09-23 14:08:17 +00:00
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
2018-02-05 16:25:25 +00:00
beq .2
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2018-07-18 15:30:42 +00:00
>SYSCALL FreeMem
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.2 >LDA.G hOutBuf
beq .3
2019-10-14 05:23:09 +00:00
2019-09-23 14:08:17 +00:00
>SYSCALL FreeMem
.3 >LDA.G hInBuf
beq .4
2019-10-14 05:23:09 +00:00
2018-07-18 15:30:42 +00:00
>SYSCALL FreeMem
2019-10-14 05:23:09 +00:00
2019-09-23 14:08:17 +00:00
.4 >LDA.G hArcFile
beq .8
2020-02-28 07:21:46 +00:00
>SYSCALL FClose
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2019-09-20 15:15:06 +00:00
.8 clc
rts
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*--------------------------------------
.INB USR/SRC/SHARED/X.UNPAK.S
*--------------------------------------
CS.END
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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]"
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MSG.E.IARC .AZ "\r\nInvalid/corrupt archive"
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MSG.PAK .AS "PAK"
*--------------------------------------
.DUMMY
.OR 0
DS.START
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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
DS.END
.ED
*--------------------------------------
MAN
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SAVE USR/SRC/BIN/UNPAK.S
ASM