A2osX/ProDOS.FX/ProDOS.S.XDOS.E.txt

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2019-10-16 06:09:13 +00:00
NEW
AUTO 3,1
2019-11-10 18:28:06 +00:00
*--------------------------------------
XDOS.Close ldy #$01 close all ?
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lda (ZP.A3L),y
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bne XDOS.CloseOne no, just one of them.
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sta cferr clear global close error.
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* lda #$00 start at the beginning.
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L4654 sta fcbptr save current low byte of pointer.
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tax get the level at which the file
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lda XDOS.FCBs+FCB.FLEVEL,x was opened.
cmp GP.FLEVEL if file's level is < global level
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bcc L4675 then don't close.
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lda XDOS.FCBs+FCB.ID,x is this reference file open ?
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beq L4675 no, try next.
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jsr flush2 clean it out...
bcs L46B6 return flush errors.
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jsr close2 update fcb & vcb
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ldy #$01
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lda (ZP.A3L),y
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beq L4675 no error if close all.
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bcs L46B6 close error.
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L4675 lda fcbptr inc pointer to next fcb
clc
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adc #FCB
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bcc L4654 branch if within same page.
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lda cferr on final close report logged errors.
beq L46B4 branch if errors.
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rts (carry already set).
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*--------------------------------------
XDOS.CloseOne jsr flush1 flush file 1st (including updating bitmap)
* bcs L46B6 branch if errors.
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bcc close2
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php
pha
jsr close2
pla
plp
rts
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close2 ldx fcbptr
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lda XDOS.FCBs+FCB.BUFID,x release file buffer
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jsr relbuffr
bcs L46B6
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jsr XDOS.FCBDevIDSelect
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stz XDOS.FCBs,x free fcb too
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jsr XDOS.FindVCBForDevNum get vcb pointer.
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dec XDOS.VCBs+VCB.OFCNT,x indicate one less file open.
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L46B4 clc
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rts
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L46B6 bcs L46E6 don't report close all error now.
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*--------------------------------------
XDOS.Flush ldy #$01 flush all ?
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lda (ZP.A3L),y
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bne flush1 no, just one of them.
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sta cferr clear global flush error.
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* lda #$00 start at the beginning.
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L46C3 sta fcbptr save current low byte of pointer.
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tax index to ref #.
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lda XDOS.FCBs,x is this reference file open ?
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beq L46D1 no, try next.
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jsr flush2 clean it out...
bcs L46E6 return anty errors.
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L46D1 lda fcbptr inc pointer to next fcb.
clc
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adc #FCB
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bcc L46C3 branch if within same page
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L46D9 clc
lda cferr on last flush,
beq L46E0 branch if no logged errors.
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sec report error now
L46E0 rts
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*--------------------------------------
flush2 jsr XDOS.GetFCBBufX must set up vcb & buffer locations 1st.
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bcc L46F1 branch if no error.
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L46E6 jmp glberr error so check for close or flush all.
flush1 stz cferr for normal refnum flush, clear global error.
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jsr XDOS.GetFCB setup pointer to fcb user references.
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bcs L46E6 return any errors.
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L46F1 lda XDOS.FCBs+FCB.ACCESS,x test to see if file is modified.
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and #$02 is it write enabled ?
beq L46D9 branch if 'read only'
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lda XDOS.FCBs+FCB.DIRTY,x has eof been modified ?
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bmi L4704 if yes.
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jsr XDOS.GetFCBStatus has data been modified ?
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and #$70 (was written to while it's been open?)
beq L46D9 if not.
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L4704 jsr XDOS.GetFCBStatus
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and #$40 does current data buffer need to be
beq L4710 written ? branch if not.
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jsr wfcbdat if so, go write it.
bcs L46E6 if error.
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L4710 jsr XDOS.GetFCBStatus check to see if the index block (tree
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and #$80 files only) needs to be written.
beq L471C branch if not.
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jsr wfcbidx
bcs L46E6 return any errors.
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L471C ldy #0
jsr XDOS.FCBDevIDSelect X = FCBPtr
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L4723 lda XDOS.FCBs+FCB.DEVID,x note: this code depends on the defined
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sta d_dev,y order of the file control block and the
inx temporary directory area in 'work space'
iny
cpy #6
bne L4723
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lda d_head read the directory header for this file
ldx d_head+1
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.DO LOWERCASE=1
jsr XDOS.ReadGBufAXDir
.ELSE
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jsr XDOS.ReadGBufAX read DIR into the general purpose buffer.
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.FIN
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bcs L46E6 if error.
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jsr movhed0 move header info.
lda d_entblk get address of directory block that
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ldx d_entblk+1 contains the file entry.
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cmp d_head test to see if it's the same block the
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bne .1 header is in. branch if not.
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cpx d_head+1
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beq L4755 branch if header block = entry block
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.1 .DO LOWERCASE=1
jsr XDOS.ReadGBufAXDir
.ELSE
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jsr XDOS.ReadGBufAX read DIR block with file entry in general buffer.
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.FIN
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L4755 jsr entcalc set up pointer to entry.
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jsr moventry move entry to temp entry buffer in
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ldx fcbptr 'work space'. update 'blocks used' count
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lda XDOS.FCBs+FCB.UBLK,x
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sta d_usage
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lda XDOS.FCBs+FCB.UBLK+1,x
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sta d_usage+1
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ldy #0 and move in end of file mark whether
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L476C lda XDOS.FCBs+FCB.EOF,x needed or not.
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sta d_eof,y
iny
cpy #$03 move all 3 bytes
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beq L4780
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lda XDOS.FCBs+FCB.1stBLK,x also move in the address of the file's
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sta d_filid,y first block since it might have changed
inx since the file first opened.
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bne L476C branch always.
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L4780 ldx fcbptr
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lda XDOS.FCBs+FCB.STYPE,x the last thing to update is storage
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asl type (y=fcbptr+2). shift into high
asl nibble.
asl
asl
sta scrtch
lda d_stor get old type byte (might be the same).
and #$0F strip off old type,
ora scrtch add in the new type
sta d_stor and put it away.
jsr drevise go update directory.
bcs glberr error.
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ldx fcbptr mark
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stz XDOS.FCBs+FCB.DIRTY,x fcb/directory as undirty.
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lda d_dev see if bitmap should be written.
cmp bmadev is it in same as current file ?
bne L47B2 yes, put it on the disk if necessary.
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jsr upbmap go put it away.
bcs glberr flush error
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L47B2 clc
rts
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*--------------------------------------
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* report error only if not a close all or flush all
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*--------------------------------------
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glberr ldy #$01
pha
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lda (ZP.A3L),y
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bne L47C1 not an 'all' so report now
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clc
pla
sta cferr save for later
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rts
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L47C1 pla
rts
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*--------------------------------------
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XDOS.FCBDevIDSelect
ldx fcbptr
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lda XDOS.FCBs+FCB.DEVID,x
sta GP.DEVNUM
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rts
*--------------------------------------
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XDOS.SetFCBSType
lsr
lsr
lsr
lsr
ldy fcbptr and save it in fcb.
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sta XDOS.FCBs+FCB.STYPE,y
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rts
*--------------------------------------
XDOS.ClrFCBStatus
ldy fcbptr clear allocation states for data block
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lda XDOS.FCBs+FCB.F,y and both levels of indexes/
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and #$F8
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sta XDOS.FCBs+FCB.F,y indicates that either they exist now
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rts or unnecessary for current position.
*--------------------------------------
XDOS.GetFCBStatus
ldx fcbptr index to fcb.
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lda XDOS.FCBs+FCB.F,x return status byte.
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rts
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*--------------------------------------
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XDOS.SetFCBStatus
ldx fcbptr
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ora XDOS.FCBs+FCB.F,x
sta XDOS.FCBs+FCB.F,x
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rts
*--------------------------------------
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L47CA lda #MLI.E.LOCKED access error
sec
L47CD rts
*--------------------------------------
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XDOS.SetEOF jsr gfcbstyp can only move end of tree, sapling or seed.
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cmp #$04 tree type ?
bcs L47CA if not then access error
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asl
asl
asl
asl
sta stortyp may be used later.
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lda XDOS.FCBs+FCB.ACCESS,y
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and #$02 is write enabled to set new eof ?
beq L47CA no, access error.
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jsr tstwprot hardware write protected ?
bcs L47CA yes, access error.
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ldy fcbptr save old eof so it can be seen
iny whether blocks need to be released
iny upon contraction.
ldx #$02 all 3 bytes of the eof
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L47EF lda XDOS.FCBs+FCB.EOF,y
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sta oldeof,x
dey
dex
bpl L47EF
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ldy #$04
ldx #$02
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L47FD lda (ZP.A3L),y position mark to new eof
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sta tposll,x
dey
dex
bpl L47FD
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ldx #$02 point to 3rd byte.
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L4808 lda oldeof,x see if eof moved backwards so blocks
cmp tposll,x can be released.
bcc eofset (branch if not)
bne purge branch if blocks to be released
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dex
bpl L4808 all 3 bytes
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eofset ldy #$04
ldx fcbptr place new end of file into fcb
inx
inx
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L481C lda (ZP.A3L),y
sta XDOS.FCBs+FCB.EOF,x
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dex
dey
cpy #$02 all 3 bytes moved ?
bcs L481C no.
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jmp fcbused mark fcb as dirty.
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purge jsr flush1 make sure file is current
bcs L47CD
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ldx datptr+1 pointer to index block
inx
inx
stx zpt+1 (zero page conflict with dir buf ptr)
ldx datptr
stx zpt
ldy fcbptr check if eof < mark
iny
iny
ldx #$02
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L4840 lda XDOS.FCBs+FCB.MARK,y
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cmp tposll,x compare until not equal or carry clear.
bcc L485F branch if eof > mark.
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bne L484E branch if eof < mark.
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dey
dex
bpl L4840 compare all 3 bytes
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L484E ldy fcbptr
ldx #$00
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L4853 lda tposll,x fake position, correct position will
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sta XDOS.FCBs+FCB.MARK,y be made below...
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iny
inx
cpx #$03 move all 3 bytes
bne L4853
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L485F jsr tkfrecnt force free block count before releasing
lda tposll blocks. prepare for purge of excess...
sta dseed all blocks and bytes beyond new eof
lda tposlh must be zero'd
sta dsap
and #$01
sta dseed+1
lda tposhi
lsr
sta dtree
ror dsap pass position in terms of block & bytes.
lda dseed now adjust for boundaries of $200
ora dseed+1
bne L48A2 branch if no adjustment necessary.
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lda dsap get correct block positions for sap
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sec and tree levels.
sbc #$01
sta dsap deallocate for last (phantom) block
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lda #$02 and don't modify last data block.
bcs L489F branch if tree level unaffected.
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dec dtree
bpl L489F branch if new eof not zero
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lda #$00
sta dtree otherwise, make a null seed out of it.
sta dsap
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L489F sta dseed+1
L48A2 ldy fcbptr also must pass file's 1st block address.
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lda XDOS.FCBs+FCB.1stBLK,y
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sta firstbl
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lda XDOS.FCBs+FCB.1stBLK+1,y
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sta firstbh
stz deblock lastly, initialize # of blocks to
stz deblock+1 be free'd.
jsr detree deallocate blocks from tree.
php save any error status until fcb
pha is cleaned up.
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sec
ldy fcbptr
ldx #$00
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L48C2 lda firstbl,x
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sta XDOS.FCBs+FCB.1stBLK,y move in possible new first file block
lda XDOS.FCBs+FCB.UBLK,y address. adjust usage count also
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sbc deblock,x
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sta XDOS.FCBs+FCB.UBLK,y
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iny
inx
txa
and #$01 test for both bytes adjusted
bne L48C2 without disturbing carry.
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lda stortyp get possibly modified storage type
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jsr XDOS.SetFCBSType
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jsr XDOS.ClrFCBStatus make it look as though position has
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jsr dvcbrev nothing allocated, update total blocks
ldy fcbptr in fcb and correct position.
iny
iny
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ldx #$02
2020-05-13 17:00:37 +00:00
2023-11-04 14:42:28 +00:00
L48F2 lda XDOS.FCBs+FCB.MARK,y tell 'rdposn' to go to correct
2019-10-16 06:09:13 +00:00
sta tposll,x
eor #$80 position from incorrect place.
2023-11-04 14:42:28 +00:00
sta XDOS.FCBs+FCB.MARK,y
2019-10-16 06:09:13 +00:00
dey
dex
bpl L48F2
2020-05-13 17:00:37 +00:00
2019-10-16 06:09:13 +00:00
jsr rdposn go to correct position.
2020-05-13 17:00:37 +00:00
2019-10-16 06:09:13 +00:00
bcc L490D if no error.
tax otherwise, report latest error.
pla
plp
txa restore latest error code to stack
sec
php
pha save new error.
* mark file as in need of a flush and update fcb with new end of file,
* then flush it.
L490D jsr eofset go mark and update
jsr flush1 then go do the flush.
bcc L491C branch if no error.
2020-05-13 17:00:37 +00:00
2019-10-16 06:09:13 +00:00
tax save latest error.
pla clean previous error off stack
plp
txa and restore latest error to stack.
sec show error condition.
php restore error status to stack
pha and the error code.
L491C pla report any errors that may have
plp appeared.
rts
2019-11-23 15:24:55 +00:00
*--------------------------------------
XDOS.GetEOF ldx fcbptr index to end of file mark
2019-10-16 06:09:13 +00:00
ldy #$02 and index to user's call parameters
2019-11-23 15:24:55 +00:00
2023-11-04 14:42:28 +00:00
L4924 lda XDOS.FCBs+FCB.EOF,x
sta (ZP.A3L),y
2019-10-16 06:09:13 +00:00
inx
iny
cpy #$05
bne L4924 loop until all 3 bytes moved
2019-11-23 15:24:55 +00:00
2019-10-16 06:09:13 +00:00
clc no errors
rts
2019-11-23 15:24:55 +00:00
*--------------------------------------
XDOS.NewLine ldy #$02 adjust newline status for open file.
2019-10-16 06:09:13 +00:00
2023-11-04 14:42:28 +00:00
lda (ZP.A3L),y on or off ?
2019-10-16 06:09:13 +00:00
ldx fcbptr it will be 0 if off.
2023-11-04 14:42:28 +00:00
sta XDOS.FCBs+FCB.NLMASK,x set new line mask
2019-11-23 15:24:55 +00:00
2019-10-16 06:09:13 +00:00
iny
2023-11-04 14:42:28 +00:00
lda (ZP.A3L),y and move in 'new-line' byte
sta XDOS.FCBs+FCB.NLBYTE,x
2019-11-23 15:24:55 +00:00
2019-10-16 06:09:13 +00:00
clc no error possible
rts
2019-11-10 18:28:06 +00:00
*--------------------------------------
XDOS.GetFileInfo
2020-07-18 14:04:21 +00:00
jsr XDOS.FindFile look for file.
2021-04-08 20:30:18 +00:00
bcc .1 no error.
2020-05-23 18:45:32 +00:00
2021-04-08 20:30:18 +00:00
jsr XDOS.GetFileInfoVol
bcs .9
2019-11-10 18:28:06 +00:00
2021-04-08 20:30:18 +00:00
.1 lda d_stor transfer bytes from internal order to
2019-10-16 06:09:13 +00:00
lsr call spec via 'inftabl' translation
lsr table but first change storage type to
lsr external (low nibble) format.
lsr
sta d_stor
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
ldy #$11 index to last of user's spec table.
2019-11-10 18:28:06 +00:00
2021-04-08 20:30:18 +00:00
.2 lda inftabl-3,y
2019-10-16 06:09:13 +00:00
and #$7F strip bit used by setinfo
tax
lda d_stor,x move directory info to call spec. table
2023-11-04 14:42:28 +00:00
sta (ZP.A3L),y
2019-10-16 06:09:13 +00:00
dey
cpy #$03
2021-04-08 20:30:18 +00:00
bcs .2 if all info bytes moved, retn carry clr
2019-10-16 06:09:13 +00:00
2021-04-08 20:30:18 +00:00
* clc
.9 rts
2019-11-10 18:28:06 +00:00
*--------------------------------------
2020-07-17 06:04:08 +00:00
XDOS.SetFileInfo
2020-07-18 14:04:21 +00:00
jsr XDOS.FindFile get the file to work on.
2020-07-17 06:04:08 +00:00
bcs L49CF if error.
2021-04-08 20:30:18 +00:00
2023-11-04 14:42:28 +00:00
lda GP.BUBIT see if backup bit can be cleared
2020-07-17 06:04:08 +00:00
eor #$20
and d_attr
and #$20
sta bkbitflg or preserve current...
2021-04-08 20:30:18 +00:00
2020-07-17 06:04:08 +00:00
ldy #$0D init pointer to user supplied list.
L49B9 ldx inftabl-3,y get index to corresponding 'd.' table.
bmi L49C3 branch if parameter can't be set.
2023-11-04 14:42:28 +00:00
lda (ZP.A3L),y
2020-07-17 06:04:08 +00:00
sta d_stor,x
L49C3 dey has user's request been satisfied ?
cpy #$03
bcs L49B9 no, move next byte.
and #$18 make sure no illegal access bits were
beq L49D0 set !! branch if legal access.
lda #MLI.E.LOCKED otherwise, access error.
sec
L49CF rts
L49D0 ldy #$0B
2023-11-04 14:42:28 +00:00
lda (ZP.A3L),y was clock null input ?
2020-07-17 15:18:31 +00:00
bne XDOS.SetFileInfoEx.8
2020-07-17 06:04:08 +00:00
2020-07-17 15:18:31 +00:00
jmp drevise update with clock also...
2020-07-17 06:04:08 +00:00
*--------------------------------------
2019-11-23 15:24:55 +00:00
XDOS.SetFileInfoEx
2020-07-18 14:04:21 +00:00
jsr XDOS.FindFile
2021-04-08 20:30:18 +00:00
bcs XDOS.GetFileInfoEx.RTS
2020-05-28 21:13:52 +00:00
ldx #S.FIEX.BLKPTR+2-1
ldy #S.FIEX.BLKPTR+2-1+3
2021-04-08 20:30:18 +00:00
2023-11-04 14:42:28 +00:00
.2 lda (ZP.A3L),y
2020-05-28 21:13:52 +00:00
sta d_stor,x
dey
dex
bpl .2
2021-04-08 20:30:18 +00:00
XDOS.SetFileInfoEx.8
2020-07-16 14:53:35 +00:00
jmp drevise1
*--------------------------------------
2020-07-17 06:04:08 +00:00
XDOS.GetFileInfoEx
2021-04-08 20:30:18 +00:00
jsr XDOS.FindFile
bcc .1
jsr XDOS.GetFileInfoVol
2020-07-18 14:04:21 +00:00
bcs .9
2021-04-08 20:30:18 +00:00
.1 ldx #S.FIEX.BLKPTR+2-1
2020-07-17 06:04:08 +00:00
ldy #S.FIEX.BLKPTR+2-1+3
2021-04-08 20:30:18 +00:00
2020-07-17 06:04:08 +00:00
.2 lda d_stor,x
2023-11-04 14:42:28 +00:00
sta (ZP.A3L),y
2020-07-17 06:04:08 +00:00
dey
dex
bpl .2
2021-04-08 20:30:18 +00:00
2020-07-17 06:04:08 +00:00
ldx #7
ldy #S.FIEX.ACL+7+3
2021-04-08 20:30:18 +00:00
2020-07-17 06:04:08 +00:00
.3 lda h_acl,x
2023-11-04 14:42:28 +00:00
sta (ZP.A3L),y
2020-07-17 06:04:08 +00:00
dey
dex
bpl .3
2020-07-18 14:04:21 +00:00
* clc
2021-04-08 20:30:18 +00:00
.9
XDOS.GetFileInfoEx.RTS
rts
*--------------------------------------
XDOS.GetFileInfoVol
cmp #MLI.E.INVPATH was it a root directory file ?
sec (in case of no match)
bne .9 if not, then error.
lda #$F0
sta d_stor for get info, report proper storage type
stz reql force a count of free blocks.
stz reqh
2023-11-04 14:42:28 +00:00
ldx XDOS.VCBPtr
2021-04-08 20:30:18 +00:00
jsr tkfrecnt get a fresh count of free blocks on
2023-11-04 14:42:28 +00:00
ldx XDOS.VCBPtr this volume.
lda XDOS.VCBs+VCB.FBLK+1,x return total blocks and total in use.
2021-04-08 20:30:18 +00:00
sta reqh 1st transfer 'free' blocks to zpage
2023-11-04 14:42:28 +00:00
lda XDOS.VCBs+VCB.FBLK,x for later subtraction to determine
2021-04-08 20:30:18 +00:00
sta reql the 'used' count.
2023-11-04 14:42:28 +00:00
lda XDOS.VCBs+VCB.TBLK+1,x transfer to 'd.' table as aux id
2021-04-08 20:30:18 +00:00
sta d_auxid+1 (total block count is considered aux id
pha for the volume)
2023-11-04 14:42:28 +00:00
lda XDOS.VCBs+VCB.TBLK,x
2021-04-08 20:30:18 +00:00
sta d_auxid
sec subtract and report the number of
sbc reql blocks 'in use'
sta d_usage
pla
sbc reqh
sta d_usage+1
clc
2020-07-17 06:04:08 +00:00
.9 rts
*--------------------------------------
2020-07-18 14:04:21 +00:00
XDOS.ACL jsr XDOS.FindDirOrVol
2020-07-16 14:53:35 +00:00
bcs .9
jsr XDOS.ReadGBuf_d_frst
bcs .9
2020-05-28 21:13:52 +00:00
ldx #7
2020-07-18 14:04:21 +00:00
ldy #S.FIEX.ACL+3
2023-11-04 14:42:28 +00:00
lda (ZP.A3L),y
2020-07-18 14:04:21 +00:00
beq .2
2020-05-28 21:13:52 +00:00
ldy #S.FIEX.ACL+7+3
2020-07-18 14:04:21 +00:00
2023-11-04 14:42:28 +00:00
.1 lda (ZP.A3L),y
sta XDOS.GBuf+$14,x
2020-05-28 21:13:52 +00:00
dey
dex
2020-07-18 14:04:21 +00:00
bpl .1
2021-04-08 20:30:18 +00:00
2020-08-27 15:34:55 +00:00
.DO LOWERCASE=1
jmp XDOS.WriteGBufDir
.ELSE
2020-07-16 14:53:35 +00:00
jmp XDOS.WriteGBuf
2020-08-27 15:34:55 +00:00
.FIN
2020-07-18 14:04:21 +00:00
.2 ldy #S.FIEX.ACL+7+3
2021-04-08 20:30:18 +00:00
2023-11-04 14:42:28 +00:00
.3 lda XDOS.GBuf+$14,x
sta (ZP.A3L),y
2020-07-18 14:04:21 +00:00
dey
dex
bpl .3
* clc
2020-07-16 14:53:35 +00:00
.9 rts
2020-07-10 13:59:56 +00:00
*--------------------------------------
2021-04-08 20:30:18 +00:00
XDOS.Rename jsr XDOS.CheckPath look for source (original) file.
2019-11-11 14:21:06 +00:00
bcc XDOS.RenameFileDir if found.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
cmp #$40 trying to rename a volume ?
bne L49FD no, return error.
2019-11-10 18:28:06 +00:00
2019-11-11 14:21:06 +00:00
XDOS.RenameVol jsr XDOS.GetRenPath syntax new name.
2019-10-16 06:09:13 +00:00
bcs L49FD rename error.
2019-11-10 18:28:06 +00:00
2023-11-04 14:42:28 +00:00
ldy XDOS.PathBuf find out if only rootname for new name
2019-10-16 06:09:13 +00:00
iny
2023-11-04 14:42:28 +00:00
lda XDOS.PathBuf,y must be $FF if volume name only.
2019-10-16 06:09:13 +00:00
bne L4A72 if not single name
2019-11-10 18:28:06 +00:00
2023-11-04 14:42:28 +00:00
ldx XDOS.VCBPtr check for open files before changing.
lda XDOS.VCBs+VCB.OFCNT,x
2020-05-23 18:45:32 +00:00
beq L49FF if volume not busy.
2019-11-10 18:28:06 +00:00
2019-11-11 14:21:06 +00:00
lda #MLI.E.OPEN file busy error.
2019-10-16 06:09:13 +00:00
L49FD sec
rts
2019-11-10 18:28:06 +00:00
2020-05-23 18:45:32 +00:00
L49FF ldy #0 get newname's length
2023-11-04 14:42:28 +00:00
lda XDOS.PathBuf,y
2019-10-16 06:09:13 +00:00
ora #$F0 (root file storage type)
2019-12-13 07:09:00 +00:00
jsr XDOS.UpdateHdr update root directory.
2020-05-23 18:45:32 +00:00
bcs .9 rename error.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
ldy #$00
2023-11-04 14:42:28 +00:00
ldx XDOS.VCBPtr update vcb also.
2019-11-10 18:28:06 +00:00
2023-11-04 14:42:28 +00:00
.1 lda XDOS.PathBuf,y move new name to vcb.
2020-05-25 13:58:59 +00:00
beq .8
2021-04-08 20:30:18 +00:00
2023-11-04 14:42:28 +00:00
sta XDOS.VCBs,x
2020-05-25 13:58:59 +00:00
iny next character
2019-10-16 06:09:13 +00:00
inx
2020-05-25 13:58:59 +00:00
bra .1
.8
2020-05-23 18:45:32 +00:00
* clc no errors
.9 rts
2019-11-10 18:28:06 +00:00
*--------------------------------------
2019-11-11 14:21:06 +00:00
XDOS.RenameFileDir
jsr getnamptr set y = 1st char of path, x = 0.
2019-11-10 18:28:06 +00:00
2023-11-04 14:42:28 +00:00
L4A21 lda XDOS.PathBuf,y move original name to XDOS.GBuf
sta XDOS.GBuf,x for later comparison to new name.
2019-10-16 06:09:13 +00:00
bmi L4A2D if last character has been moved
2019-11-11 14:21:06 +00:00
2019-10-16 06:09:13 +00:00
iny otherwise, get the next one.
inx
2019-11-11 14:21:06 +00:00
bra L4A21
2019-11-10 18:28:06 +00:00
2019-11-11 14:21:06 +00:00
L4A2D jsr XDOS.GetRenPath get new name syntaxed.
2019-10-16 06:09:13 +00:00
bcs L4A74 rename error.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
jsr getnamptr set y = path, x = 0.
2019-11-10 18:28:06 +00:00
2023-11-04 14:42:28 +00:00
lda XDOS.PathBuf,y now compare new name with old name
2019-11-10 18:28:06 +00:00
2023-11-04 14:42:28 +00:00
L4A38 cmp XDOS.GBuf,x to make sure they are in the same dir.
2019-10-16 06:09:13 +00:00
php save result of comparison.
and #$F0 was last char really a count ?
bne L4A46 if not.
2019-11-11 14:21:06 +00:00
2019-10-16 06:09:13 +00:00
sty rnptr save pointer to next name, it might
stx namptr be the last.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
L4A46 plp result of last comparison ?
bne L4A52 branch if different character or count.
2019-11-11 14:21:06 +00:00
2019-10-16 06:09:13 +00:00
inx bump pointers.
iny
2023-11-04 14:42:28 +00:00
lda XDOS.PathBuf,y was it the last character ?
2019-10-16 06:09:13 +00:00
bne L4A38 if not.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
clc no operation, names were the same.
rts
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
L4A52 ldy rnptr index to last name in the chain.
2023-11-04 14:42:28 +00:00
lda XDOS.PathBuf,y get last name length.
2019-10-16 06:09:13 +00:00
sec
adc rnptr
tay
2023-11-04 14:42:28 +00:00
lda XDOS.PathBuf,y this byte should be $00 !
2019-10-16 06:09:13 +00:00
bne L4A72 if not, bad path error.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
ldx namptr index to last of original name
2023-11-04 14:42:28 +00:00
lda XDOS.GBuf,x
2019-10-16 06:09:13 +00:00
sec
adc namptr
tax
2023-11-04 14:42:28 +00:00
lda XDOS.GBuf,x this byte should also be $00.
2019-10-16 06:09:13 +00:00
beq L4A76 if so, continue processing.
2019-11-10 18:28:06 +00:00
L4A72 lda #MLI.E.INVPATH bad pathname error.
2019-10-16 06:09:13 +00:00
L4A74 sec
rts
2019-11-10 18:28:06 +00:00
2021-04-08 20:30:18 +00:00
L4A76 jsr XDOS.CheckPath test for duplicate file name.
2019-10-16 06:09:13 +00:00
bcs L4A7F branch if file not found, which is ok !!
2020-05-13 17:00:37 +00:00
2019-11-10 18:28:06 +00:00
lda #MLI.E.DUPFILE duplicate name error.
2019-10-16 06:09:13 +00:00
sec
rts
2019-11-10 18:28:06 +00:00
L4A7F cmp #MLI.E.FNOTFND was it a valid file not found ?
2019-10-16 06:09:13 +00:00
bne L4A74 no, rename error.
2019-11-10 18:28:06 +00:00
2019-11-11 14:21:06 +00:00
jsr XDOS.GetPath syntax pathname of file to be changed.
2020-07-18 14:04:21 +00:00
jsr XDOS.FindFile get all the info on this file.
2019-10-16 06:09:13 +00:00
bcs L4A74 rename error.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
jsr tstopen is file in use ?
2019-11-10 18:28:06 +00:00
lda #MLI.E.OPEN anticipate file busy error.
2019-10-16 06:09:13 +00:00
bcs L4A74 error if in use.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
lda d_attr test bit which allows rename.
and #$40
bne L4A9D branch if ok to rename
2019-11-10 18:28:06 +00:00
lda #MLI.E.LOCKED otherwise, illegal access.
2019-11-11 14:21:06 +00:00
.HS 2C BIT ABS
L4A98 lda #MLI.E.INCFF
2019-10-16 06:09:13 +00:00
L4A9B sec
rts
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
L4A9D lda d_stor find out which storage type.
and #$F0 strip off name length.
cmp #$D0 is it a directory ?
beq L4AAE then ok.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
cmp #$40 is it a seed, sapling or tree ?
2019-11-11 14:21:06 +00:00
bcs L4A98 file incompatible error.
2019-11-10 18:28:06 +00:00
2019-11-11 14:21:06 +00:00
L4AAE jsr XDOS.GetRenPath since both names go into the directory,
2019-10-16 06:09:13 +00:00
bcs L4A74 syntax the new name to get the local
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
ldy rnptr name address. y = index to local name
2023-11-04 14:42:28 +00:00
ldx XDOS.PathBuf,y length. adj y to last char of new name.
2019-10-16 06:09:13 +00:00
tya
2023-11-04 14:42:28 +00:00
adc XDOS.PathBuf,y
2019-10-16 06:09:13 +00:00
tay
2019-11-10 18:28:06 +00:00
2023-11-04 14:42:28 +00:00
L4ABE lda XDOS.PathBuf,y move local name to dir entry workspace.
2019-10-16 06:09:13 +00:00
sta d_stor,x
dey
dex
bne L4ABE
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
lda d_stor preserve file storage type.
and #$F0 strip off old name length.
tax
2023-11-04 14:42:28 +00:00
ora XDOS.PathBuf,y add in new name's length.
2019-10-16 06:09:13 +00:00
sta d_stor
cpx #$D0 that file must be changed also.
bne L4AF0 branch if not directory type.
2019-11-10 18:28:06 +00:00
2020-07-16 14:53:35 +00:00
jsr XDOS.ReadGBuf_d_frst
2019-10-16 06:09:13 +00:00
bcs L4A74 errors.
2019-11-10 18:28:06 +00:00
2019-10-16 06:09:13 +00:00
ldy rnptr change the header's name to match the
2023-11-04 14:42:28 +00:00
lda XDOS.PathBuf,y owner's new name. get local name length.
2019-10-16 06:09:13 +00:00
ora #$E0 assume it's a header.
2019-12-13 07:09:00 +00:00
jsr XDOS.UpdateHdr
2019-10-16 06:09:13 +00:00
bcs L4A74
2019-11-10 18:28:06 +00:00
2020-08-27 15:34:55 +00:00
L4AF0 jmp drevise1 end by updating all path directories.
2019-11-11 14:21:06 +00:00
*--------------------------------------
XDOS.Destroy jsr XDOS.FindFile look for file to be destroyed.
bcs L4B66 if error.
jsr tstopen is it open ?
lda totent
bne L4B64 error if open.
stz reql force proper free count in volume.
stz reqh (no disk access occurs if already
jsr tstfrblk proper)
bcc L4B39 no errors.
cmp #MLI.E.VOLFULL was error a full disk ?
bne L4B66 no, report error.
L4B39 lda d_attr make sure ok to destroy file.
* and #$80
* bne L4B45
bmi L4B45
lda #MLI.E.LOCKED access error
2023-11-04 14:42:28 +00:00
jsr GP.SYSERR
2023-11-04 14:42:28 +00:00
L4B45 lda GP.DEVNUM last device used.
jsr twrprot1 test for write protected hardware
bcs L4B66 before going thru deallocation.
lda d_frst 'detree' needs first block address
sta firstbl
lda d_frst+1
sta firstbh
lda d_stor find out which storage type.
and #$F0 strip off name length.
cmp #$40 is it a seed, sapling or tree ?
bcc L4B68 branch if it is.
bra L4BCF otherwise, test for directory destroy.
L4B64 lda #MLI.E.OPEN file busy error.
L4B66 sec can't be destroyed
rts
L4B68 sta stortyp destroy a tree file. save storage type.
ldx #$05
* lda #$00 set 'detree' input variables, must be
L4B6F stz stortyp,x in order: deblock, dtree, dsap, dseed.
dex
bne L4B6F loop until all zero'd.
lda #$02 this avoids an extra file i/o and pre-
sta dseed+1 vents destruction of any deleted data.
inc delflag don't allow detree to zero index blocks.
jsr detree make trees and saplings into seeds.
dec delflag reset flag.
bcs L4B93 (de-evolution)
L4B85 ldx firstbh
lda firstbl now deallocate seed.
jsr XDOS.DeallocAX
bcs L4B93
jsr upbmap
L4B93 pha save possible error code.
lda #$00 update directory to free entry space.
sta d_stor
cmp h_fcnt file entry wrap ?
bne L4BA1 branch if no carry adjustment.
dec h_fcnt+1 take carry from hi byte of file entries.
L4BA1 dec h_fcnt mark header with one less file.
jsr dvcbrev go update block count in vcb (ignore
jsr drevise error, if any) and update dir last.
tax save possible new error code,
pla restore possible old error code.
bcc L4BAF branch if last call succeeded.
txa last call failed, use it's error code.
L4BAF cmp #$01 adjust carry accordingly
rts
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dvcbrev ldx XDOS.VCBPtr update block free count in vcb. point to vcb of correct device.
lda deblock get # of blocks recently freed.
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adc XDOS.VCBs+VCB.FBLK,x
sta XDOS.VCBs+VCB.FBLK,x update current free block count.
lda deblock+1
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adc XDOS.VCBs+VCB.FBLK+1,x
sta XDOS.VCBs+VCB.FBLK+1,x
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stz XDOS.VCBs+VCB.BMAPIDX,x force re-scan from 1st bitmap
* lda #0 ?????
rts
L4BCD bcc L4B85 branch widened (always taken)
L4BCF cmp #$D0 is this a directory file ?
bne L4C1B no, file incompatible.
jsr fndbmap make sure a buffer available for bitmap
bcs L4C1A if error.
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jsr XDOS.ReadGBuf_d_frst read 1st block of directory into XDOS.GBuf
bcs L4C1A
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lda XDOS.GBuf+37 do any files exist in this directory ?
ora XDOS.GBuf+38
bne L4C1Abis if so, access error.
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L4BF6 sta XDOS.GBuf+4 make it an invalid subdirectory
.DO LOWERCASE=1
jsr XDOS.WriteGBufDir
.ELSE
jsr XDOS.WriteGBuf
.FIN
bcs L4C1A
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L4BFE lda XDOS.GBuf+2 get forward link.
cmp #$01 test for null block into carry.
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ldx XDOS.GBuf+3 get the rest of the block address.
bne L4C0A branch if not null.
bcc L4BCD was the low part null as well ?
L4C0A jsr XDOS.DeallocAX free this block.
bcs L4C1A
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lda XDOS.GBuf+2
ldx XDOS.GBuf+3
jsr XDOS.ReadGBufAX read next DIR block (no need to unpack)
bcc L4BFE loop until all freed
L4C1A rts
L4C1Abis lda #MLI.E.LOCKED access error.
.HS 2C BIT ABS
L4C1B lda #MLI.E.INCFF file incompatible
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jsr GP.SYSERR
fcbused pha mark fcb as dirty so the directory will be flushed on 'flush'.
phy save regs.
ldy fcbptr
lda #$80 mark fcb as dirty.
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sta XDOS.FCBs+FCB.DIRTY,y save it back
ply and restore regs.
pla
rts
*--------------------------------------
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XDOS.UpdateHdr ldx #$00
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.1 sta XDOS.GBuf+4,x
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inx
iny
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lda XDOS.PathBuf,y
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bne .1
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.DO LOWERCASE=1
jmp XDOS.WriteGBufDir
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.ELSE
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jmp XDOS.WriteGBuf write changed header block.
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.FIN
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*--------------------------------------
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getnamptr ldy #$00 return pointer to 1st name of path.
bit prfxflg is this a prefixed name ?
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bmi .1 branch if not.
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ldy GP.NEWPFXPTR
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.1 ldx #$00
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rts
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*--------------------------------------
2019-10-16 06:09:13 +00:00
MAN
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SAVE usr/src/prodos.fx/prodos.s.xdos.e
LOAD usr/src/prodos.fx/prodos.s
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ASM