A2osX/SHARED/X.FILEENUM.S.txt

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2019-09-19 15:22:14 +00:00
AUTO 3,1
.LIST OFF
*--------------------------------------
X.MAX.RECURSE .EQ 8
*--------------------------------------
* Uses: (pData)
* hDIRs .BS X.MAX.RECURSE+1
* hDIRENTs .BS X.MAX.RECURSE+1
* Index .BS 1
* hSrcBasePath .BS 1
* hDstBasePath .BS 1 (optional)
* STAT .BS S.STAT
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* hFilter .BS 1
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* hExclude .BS 1
*--------------------------------------
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* Compare a ZPFileName against hFilter (e.g. '*test?.*')
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* CC : match
* CS : no match
*--------------------------------------
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FilterMatch >LDA.G index
dec
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bne FilterMatch.CLCRTS in a subdir, match everything
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clc
.HS B0 BCS
ExcludeMatch sec
php
lda #hFilter
adc #0
tay
lda (pData),y
plp
tax
beq FilterMatch.RTS No filter....exit with CS excluded
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>SYSCALL GetMemPtr
>STYA ZPPtr2
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ldy #S.STAT.FSID
lda (ZPFileStat),y
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tax if 0, Regular ProDOS....
bne .10
>LDYA ZPPtr2 ... so CI compare
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>SYSCALL StrUpr
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.10 lda (ZPPtr2) Get first pattern byte
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beq .8 Match always if empty
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ldy #0
bra .2
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.1 jsr FilterMatch.NextPtr2 get next pattern char
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beq .41 end of pattern...
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.2 cmp #'*'
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beq .5
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.3 lda (ZPFileName),y we must match ? or regular char, check if at end of string
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beq .9 no char left, exit with error
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lda (ZPPtr2) get back pattern char
cmp #'?'
beq .4 no need to compare, any char will match
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jsr FilterMatch.CmpPtr2CharPtr1Y Regular Char, compare with string at Y
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bne .9 no match, exit
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.4 iny advance to next char to compare
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bra .1 continue if remaining char in pattern
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.41 lda (ZPFileName),y end of pattern, but end of string ?
beq .8 yes, string matched entirely
* no, remaining char in string, no match
.9 sec
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rts
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.5 jsr FilterMatch.NextPtr2 we have '*', last char of pattern ?
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beq .8 yes, match everything, including empty string
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cmp #'*' another '*' ?
beq .5 yes, '**' = '*', go next char
cmp #'?' '*?' ? we must match a least one char
beq .3
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.7 lda (ZPFileName),y we need at least one remaining char in string, check if at end of string
beq .9 no chance to match ? or regular char
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iny
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jsr FilterMatch.CmpPtr2CharPtr1Y compare with char in string
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bne .7 not equal to next non wildcard in pattern
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iny
bra .1 go check remaining char in pattern...
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.8
FilterMatch.CLCRTS
clc
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FilterMatch.RTS
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rts
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*--------------------------------------
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FilterMatch.CmpPtr2CharPtr1Y
phx
plx
bne .2 Foreign FS or ProDOS.FX : CS compare
lda (ZPFileName),y
cmp #'a'
bcc .1
cmp #'z'+1
bcs .1
eor #$20
.1 cmp (ZPPtr2)
rts
.2 lda (ZPPtr2)
cmp (ZPFileName),y
rts
*--------------------------------------
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FilterMatch.NextPtr2
inc ZPPtr2 Make PTR2 advance to next char
bne .1
inc ZPPtr2+1
.1 lda (ZPPtr2)
rts
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*--------------------------------------
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InitSrcDirYA >PUSHYA
>PUSHWI 0 Allocate
>SYSCALL RealPath
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bcs FilterMatch.RTS
>STYA ZPPtr1
txa
>STA.G hFullPath
ldy #1
lda (ZPPtr1),y
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beq .5 we have '/'
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>PUSHW ZPPtr1
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>PUSHEA.G STAT
>SYSCALL Stat
bcs .1 File/DIR does not exists, go extract pattern
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.DO X.ENTER.SUBDIR=1
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>LDA.G STAT+S.STAT.MODE+1
and #$F0
cmp /S.STAT.MODE.DIR
bne .4 TYPE not a DIR, extract....
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bra .5 TYPE=DIR, do not extract pattern
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.ELSE
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bra .4
.FIN
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.1 cmp #MLI.E.INVPATH
beq .11
jmp .9
.11 jsr GetPtr1Len TYPE is not DIR, check if wc
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dey
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ldx #0 Init Wildcard count
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.2 lda (ZPPtr1),y search backward for a /
cmp #'/'
beq .3
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cmp #'?' Test if some wildcard chars....
beq .21
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cmp #'*'
bne .22
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.21 inx inc wildcard count
.22 dey
bne .2
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.3 txa
beq .91 no wc, file not found....
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.4 jsr GetPtr1Len Search end of string.....
lda #'/'
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.42 dey
cmp (ZPPtr1),y Search backward /
bne .42
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tya
sec +1 to skip '/'
adc ZPPtr1
sta ZPPtr2
tay
lda ZPPtr1+1
adc #0
sta ZPPtr2+1
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>SYSCALL StrDup
bcs .9
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txa
>STA.G hFilter
lda #0
sta (ZPPtr2)
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.5 >LDYAI 256
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>SYSCALL GetMem Get a 256 buffer to store BasePath
bcs .9
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>STYA ZPPtr2
txa
>STA.G hSrcBasePath
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jsr StrcpyPtr1ptr2
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dey
lda #'/'
cmp (ZPPtr2),y
beq .7
iny
sta (ZPPtr2),y
iny
lda #0
sta (ZPPtr2),y
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.7 >LDYA ZPPtr2
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>SYSCALL OpenDir
bcs .9
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ldy #hDIRs
sta (pData),y set hDIRs[0] = Src Hdir
ldy #index
lda #1
sta (pData),y index=hDIRs[0]
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jsr .9 Cleanup
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clc
rts
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.91 lda #MLI.E.FNOTFND
.9 pha
>LDA.G hFullPath
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>SYSCALL FreeMem
pla
sec
InitSrcDirYA.RTS
rts
*--------------------------------------
.DO X.COPY.TO.DEST=1
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InitDstDirYA >PUSHYA
>PUSHWI 0 Allocate
>SYSCALL RealPath
bcs InitSrcDirYA.RTS
>STYA ZPPtr1
txa
>STA.G hFullPath
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>PUSHW ZPPtr1
>PUSHEA.G STAT
>SYSCALL Stat
bcs .1 File/DIR does not exists, go extract DstFileName
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>LDA.G STAT+S.STAT.MODE+1
and #$F0
cmp /S.STAT.MODE.DIR
beq .5 Dst is a directory...no destfilename
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.1 jsr GetPtr1Len Search end of string.....
lda #'/'
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.2 dey
cmp (ZPPtr1),y Search backward /
bne .2
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tya
sec +1 to skip '/'
adc ZPPtr1
sta ZPPtr2
tay
lda ZPPtr1+1
adc #0
sta ZPPtr2+1
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>SYSCALL StrDup
bcs .9
txa
>STA.G hDstFileName
lda #0
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sta (ZPPtr2)
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.5 >LDYAI 256
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>SYSCALL GetMem Get a 256 buffer to store DstBasePath
bcs .9
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>STYA ZPPtr2
txa
>STA.G hDstBasePath
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jsr StrcpyPtr1ptr2
dey
lda #'/'
cmp (ZPPtr2),y
beq .7
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iny
sta (ZPPtr2),y
iny
lda #0
sta (ZPPtr2),y
.7 jsr .9 Cleanup
clc
.99 rts
.9 pha
>LDA.G hFullPath
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>SYSCALL FreeMem
pla
sec
rts
.FIN
*--------------------------------------
GetNextEntry jsr GetEntry
bcs .9
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jsr GetFilenameLen Save actual file len for setting up
pha new offset later
lda ZPFileStat
clc
adc #S.STAT
sta ZPFileName
lda ZPFileStat+1
adc /S.STAT
sta ZPFileName+1 Make nDIRENTs[i] point to next DIRENT
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jsr GetFilenameLen are we at end of this buffer ?
beq .1 yes, go read next one ...
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jsr SetFileStatPtr
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jsr GetoDIRENT
pla Get back previous file len
sec
adc (pData),y
sta (pData),y
iny
lda #0
adc (pData),y
sta (pData),y
dey
lda #S.STAT
clc
adc (pData),y
sta (pData),y
iny
lda /S.STAT
adc (pData),y
sta (pData),y
clc
rts
.1 pla
jsr GetEntry.ReadDir
bcs .9
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jsr GetFilenameLen
beq GetNextEntry.99
jsr SetFileStatPtr
clc
.9 rts
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GetNextEntry.99 sec
rts
*--------------------------------------
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GetEntry jsr GethDIRENT
bne .1 we have a buffer to scan
jsr GetEntry.ReadDir First run, get first block
bcs .9 ZPFileName = start of buffer
lda (ZPFileName) Empty !!!
bne .8
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sec
rts
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.1 >SYSCALL GetMemPtr
>STYA ZPFileName
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jsr GetoDIRENT
lda ZPFileName
clc
adc (pData),y
sta ZPFileName
iny
lda ZPFileName+1
adc (pData),y
sta ZPFileName+1 ZPFileName=ZPFileName+oDIRENT
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.8 jsr GetFilenameLen
jsr SetFileStatPtr
clc
.9 rts
*--------------------------------------
GetEntry.ReadDir
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jsr GethDIRENT
beq .1
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pha
lda #0
sta (pData),y reset hDIRENT
pla
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>SYSCALL FreeMem discard previous hDIRENT
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.1 jsr GethDIR
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>SYSCALL ReadDir
bcs .9
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>STYA ZPFileName
ldy #index
lda (pData),y
clc
adc #hDIRENTs-1
tay
txa get hDIRENT in A
sta (pData),y
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jsr GetoDIRENT
lda #0 and reset offset for this buffer
sta (pData),y
iny
sta (pData),y
clc
.9 rts
*--------------------------------------
EnterSubDirYA >STYA ZPPtr2 save SUBDIR for StrCat
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>LDA.G index
cmp #X.MAX.RECURSE
beq .9
ldy #hSrcBasePath
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jsr EnterSubDirY
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>LDYA ZPPtr1
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>SYSCALL OpenDir
bcs .9
pha
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>INC.G index
tax
* clc from BCS
adc #hDIRs-1
tay
pla
sta (pData),y
txa make sure hDIRENTs[i] is closed
adc #hDIRENTs-1
tay
lda #0
sta (pData),y
.DO X.COPY.TO.DEST=1
ldy #hDstBasePath
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jsr EnterSubDirY
.FIN
clc
.9 rts
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EnterSubDirY lda (pData),y
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>SYSCALL GetMemPtr
>STYA ZPPtr1 save full path
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jsr .1 Make sure ending with /
>PUSHW ZPPtr2
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>LDYA ZPPtr1
>SYSCALL StrCat
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.1 jsr GetPtr1Len
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dey
lda #'/'
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cmp (ZPPtr1),y
beq .8
iny
sta (ZPPtr1),y
iny
lda #0
sta (ZPPtr1),y
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.8 rts
*--------------------------------------
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LeaveSubDir >LDA.G index
beq .9
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jsr GethDIRENT.A
beq .1
pha
lda #0
sta (pData),y
pla
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>SYSCALL FreeMem
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.1 jsr GethDIR
pha
lda #0
sta (pData),y
pla
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>SYSCALL CloseDir
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>DEC.G index
bne .8
ldy #hSrcBasePath
lda (pData),y
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>SYSCALL FreeMem
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.DO X.COPY.TO.DEST=1
ldy #hDstBasePath
lda (pData),y
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>SYSCALL FreeMem
.FIN
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.9 sec
rts
.8 clc
rts
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*--------------------------------------
BasePath.. .DO X.COPY.TO.DEST=1
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ldy #hDstBasePath
jsr BasePath..1
.FIN
ldy #hSrcBasePath
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BasePath..1 lda (pData),y
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>SYSCALL GetMemPtr
>STYA ZPPtr1 save full path
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jsr GetPtr1Len get len
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dey discard ending /
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.2 dey
lda (ZPPtr1),y
cmp #'/'
bne .2
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iny
lda #0
sta (ZPPtr1),y cut DIR2/ from /dir1/DIR2/
rts
*--------------------------------------
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GetPtr1Len ldy #$ff
.1 iny
lda (ZPPtr1),y get len
bne .1
rts
*--------------------------------------
StrcpyPtr1ptr2 ldy #$ff
.1 iny
lda (ZPPtr1),y
sta (ZPPtr2),y
bne .1
rts
*--------------------------------------
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GetFilenameLen ldy #$ff
.1 iny
lda (ZPFileName),y
bne .1
tya
rts
*--------------------------------------
SetFileStatPtr sec
adc ZPFileName
sta ZPFileStat
lda ZPFileName+1
adc #0
sta ZPFileStat+1
rts
*--------------------------------------
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GethDIR ldy #index
lda (pData),y
clc
adc #hDIRs-1
tay
lda (pData),y
rts
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*--------------------------------------
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GethDIRENT ldy #index
lda (pData),y
GethDIRENT.A clc
adc #hDIRENTs-1
tay
lda (pData),y
rts
*--------------------------------------
GetoDIRENT ldy #index
lda (pData),y
asl
clc
adc #oDIRENTs-1
tay
rts
*--------------------------------------
MAN
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SAVE usr/src/shared/x.fileenum.s
LOAD usr/src/bin/ls.s
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ASM