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A2osX/BIN/UNARC.S.txt

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ProDOS.FX 8M (required for KRNL8M)
2023-11-04 14:42:28 +00:00
NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/unarc
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/mli.e.i
.INB inc/arc.i
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPtr1 .BS 2
ZPPtr2 .BS 2
ZPInBufPtr .BS 2
ZPOutBufPtr .BS 2
ZPnCnt .BS 2
ZPInMask .BS 1
ZPTOPCnt .BS 1
ZPSTRLenBits .BS 1
ZPBLLenBits .BS 1
ZPBLOfsLBits .BS 1
ZPBLOfsHBits .BS 1
ZPInBufLen .BS 2
ZPOutBufLen .BS 2
ZPFullPathPtr .BS 2
ZPRelPathPtr .BS 2
ZPProgress .BS 1
ZS.END .ED
*--------------------------------------
* 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
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
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
L.MSG.SPINNER .DA MSG.SPINNER
.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN stz ZPProgress
>LDYAI CHNK.SIZE
>SYSCALL GetMem
bcc s1
rts
s1
>STYA ZPInBufPtr
txa
>STA.G hInBuf
lda #1
>SYSCALL ArgV
bcs .99
>STYA ZPPtr1 See if first arg is -p
pha
lda (ZPPtr1)
cmp #'-'
bne .1 No dash-arguments
pla
ldy #$01
lda (ZPPtr1),y
cmp #'p'
bne .99 -p is only valid argument
sty ZPProgress
lda #2
>SYSCALL ArgV
bcs .99
bra .11
.1 pla
.11 jsr CS.RUN.OpenArc
bcs .9
>LDYAI 256
>SYSCALL GetMem
bcc .15
rts
.15 >STYA ZPFullPathPtr
txa
>STA.G hFullPath
lda ZPProgress See if -p was provided
beq .2
lda #' ' Space for spinner to eat
>SYSCALL PutChar
lda #3 Have dash-args, check arg #3
bra .3
.2 lda #2 No dash-args, check arg #2
.3 >SYSCALL ArgV
bcc .4
ldy #S.PS.hCWD
lda (pPS),y
>SYSCALL GetMemPtr
.4 jsr CS.RUN.SetupPath
>LDYAI CHNK.SIZE
>SYSCALL GetMem
bcs .9
txa
>STA.G hOutBuf
jsr CS.RUN.LOOP
bcs .9
jsr CS.RUN.TidyUp
lda #0
sec
.9 rts
.99 >PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.SetupPath
>STYA ZPPtr1
ldy #$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
bcs .99
ldx #0
jsr CS.RUN.PrintFN
jsr CS.RUN.CheckDir
bcs .99
lda ZPProgress
bne CS.RUN.LOOP
>LDYA L.MSG.OK
>SYSCALL PutS
bra CS.RUN.LOOP
.99 rts
.9 jmp CS.RUN.E.IARC
.1 cmp #CHNK.T.FILE
bne .9
jsr CS.RUN.GetFileType
bcs .99
jsr CS.RUN.GetFileName
bcs .99
ldx #2
jsr CS.RUN.PrintFN
jsr CS.RUN.OpenFile
bcs .99
*--------------------------------------
jsr CS.RUN.GetByte DATA
bcs CS.RUN.Exit eof
.2 cmp #CHNK.T.DATA
bne .3 Could be a 0 byte file
.20 lda ZPProgress
beq .21
jsr CS.RUN.Spinner
bra .22
.21 lda #'.'
>SYSCALL PutChar
.22 jsr CS.RUN.GetByte DataLen LO
bcs .99
sta ZPInBufLen
jsr CS.RUN.GetByte DataLen HI
bcs .99
sta ZPInBufLen+1
jsr CS.RUN.ReadData
bcs .99
lda (ZPInBufPtr) ULEN.LO
sta ZPOutBufLen
ldy #1
lda (ZPInBufPtr),y ULEN.HI
sta ZPOutBufLen+1
>LDA.G hOutBuf
>SYSCALL GetMemPtr
>STYA ZPOutBufPtr
jsr X.UnArc
bcs .9
jsr CS.RUN.WriteFile
bcs .99
jsr CS.RUN.GetByte
bcs CS.RUN.Exit
cmp #CHNK.T.DATA
beq .20
.3 pha
jsr CS.RUN.Exit
pla
jmp .10
*--------------------------------------
CS.RUN.Exit >LDA.G hFile
>SYSCALL FClose
lda ZPProgress
bne .9
>LDYA L.MSG.OK
>SYSCALL PutS
.9 rts
*--------------------------------------
CS.RUN.PrintFN lda ZPProgress
bne .9
>PUSHW L.MSG.DIR,x
>PUSHW ZPFullPathPtr
>PUSHBI 2
>SYSCALL PrintF
.9 rts
*--------------------------------------
CS.RUN.Spinner lda #8 Backspace
>SYSCALL PutChar
>LDYA L.MSG.SPINNER
>STYA ZPPtr2
>LDA.G SpinState
tay
lda (ZPPtr2),y
>SYSCALL PutChar
>INC.G SpinState
cmp #4
bne .9
>STZ.G SpinState
.9 rts
*--------------------------------------
CS.RUN.NewLine lda #C.CR
>SYSCALL PutChar
lda #C.LF
>SYSCALL PutChar
rts
*--------------------------------------
CS.RUN.TidyUp lda ZPProgress
beq .9
lda #8
>SYSCALL PutChar
lda #' '
>SYSCALL PutChar
jsr CS.RUN.NewLine
.9 rts
*--------------------------------------
CS.RUN.OpenArc >PUSHYA
>PUSHBI O.RDONLY
>PUSHBI $CF PAK
>PUSHWZ Aux type
>SYSCALL FOpen
bcs .9
>STA.G hArcFile
>PUSHA
>PUSHW ZPInBufPtr
>PUSHWI 3
>SYSCALL FRead
bcs .9
cpy #3
bne .99
dey
.1 lda MSG.ARC,y
cmp (ZPInBufPtr),y
bne .99
dey
bpl .1
clc
.9 rts
.99
CS.RUN.E.IARC >PUSHW L.MSG.E.IARC
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec
rts
*--------------------------------------
CS.RUN.GetFileType
>PUSHB.G hArcFile
>PUSHEA.G FileType
>PUSHWI 3
>SYSCALL FRead
rts
*--------------------------------------
CS.RUN.GetFileName
jsr CS.RUN.GetByte
bcs .9
pha
>PUSHB.G hArcFile
>PUSHW ZPRelPathPtr
ply
lda #0
>PUSHYA
>SYSCALL FRead
bcs .9
lda #0
sta (ZPRelPathPtr),y
* clc
.9 rts
*--------------------------------------
CS.RUN.ReadData >PUSHB.G hArcFile
>LDA.G hInBuf
>SYSCALL GetMemPtr
>STYA ZPInBufPtr
>PUSHYA
>PUSHW ZPInBufLen
>SYSCALL FRead
rts
*--------------------------------------
CS.RUN.GetByte >LDA.G hArcFile
>SYSCALL GetC
rts
*--------------------------------------
CS.RUN.CheckDir >PUSHW ZPFullPathPtr
>PUSHEA.G STAT
>SYSCALL Stat
bcc .1
>PUSHW ZPFullPathPtr
>PUSHWI S.STAT.MODE.FO+S.STAT.MODE.FG+S.STAT.MODE.FU
>SYSCALL MKDir
rts
.1 ldy #STAT+S.STAT.MODE+1
lda (pData),y
and #$F0
cmp /S.STAT.MODE.DIR
bne .99
clc
rts
.99 lda #MLI.E.INVPATH
sec
.9 rts
*--------------------------------------
CS.RUN.OpenFile >PUSHW ZPFullPathPtr
>PUSHBI O.CREATE+O.WRONLY+O.TRUNC
>PUSHB.G FileType
>PUSHW.G FileAuxType
>SYSCALL FOpen
bcs .9
>STA.G hFile
.9 rts
*--------------------------------------
CS.RUN.WriteFile
>PUSHB.G hFile
>LDA.G hOutBuf
>SYSCALL GetMemPtr
>PUSHYA
>PUSHW ZPOutBufLen
>SYSCALL FWrite
rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT >LDA.G hFile
beq .1
>SYSCALL FClose
.1 >LDA.G hFullPath
beq .2
>SYSCALL FreeMem
.2 >LDA.G hOutBuf
beq .3
>SYSCALL FreeMem
.3 >LDA.G hInBuf
beq .4
>SYSCALL FreeMem
.4 >LDA.G hArcFile
beq .8
>SYSCALL FClose
.8 clc
rts
*--------------------------------------
.INB usr/src/shared/x.unarc.s
*--------------------------------------
CS.END
MSG.USAGE .CS "Usage : UNARC [-p] Archive [DstDir]\r\n"
.CZ " -p: Show progress spinner\r\n"
MSG.DIR .CZ "Creating Dir:%s..."
MSG.FILE .CZ "Extracting File:%s..."
MSG.OK .CZ "[OK]"
MSG.E.IARC .CZ "\r\nInvalid/corrupt archive"
MSG.ARC .CS "ARC"
MSG.SPINNER .CS "|/-\"
*--------------------------------------
.DUMMY
.OR 0
DS.START
hArcFile .BS 1
hFullPath .BS 1
hInBuf .BS 1
hOutBuf .BS 1
hFile .BS 1
FileType .BS 1
FileAuxType .BS 2
SpinState .BS 1
STAT .BS S.STAT
DS.END
.ED
*--------------------------------------
MAN
SAVE usr/src/bin/unarc.s
ASM
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