mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-25 20:33:13 +00:00
Kernel 0.94
This commit is contained in:
Rémy GIBERT
parent
238dacc597
commit
88a56a14a3
Binary file not shown.
Binary file not shown.
@ -514,7 +514,7 @@ findfcb ldy #$01 index to ref#
|
||||
cmp FCBs,y
|
||||
bne errnoref
|
||||
|
||||
fndfcbuf lda FCBs+11,y get page address of file buffer.
|
||||
fndfcbuf lda FCBs+FCB.BUFID,y get page address of file buffer.
|
||||
jsr getbufadr get file's address into bufaddrl,h
|
||||
ldx bufaddrh (y=fcbptr preserved)
|
||||
beq fcbdead fcb corrupted
|
||||
@ -523,7 +523,7 @@ fndfcbuf lda FCBs+11,y get page address of file buffer.
|
||||
inx
|
||||
inx index block always 2 pages after data
|
||||
stx zpt+1
|
||||
lda FCBs+1,y also set up device #
|
||||
lda FCBs+FCB.DEVID,y also set up device #
|
||||
sta devnum
|
||||
lda bufaddrl
|
||||
sta datptr index and data buffers always on
|
||||
@ -531,7 +531,7 @@ fndfcbuf lda FCBs+11,y get page address of file buffer.
|
||||
|
||||
fndfvol tax search for associated vcb
|
||||
lda VCBs+VCB.DEV,x
|
||||
cmp FCBs+1,y is this vcb the same device?
|
||||
cmp FCBs+FCB.DEVID,y is this vcb the same device?
|
||||
beq tstvopen if it is, make sure volume is active.
|
||||
|
||||
nxtfvol txa adjust index to next vcb.
|
||||
@ -545,14 +545,14 @@ nxtfvol txa adjust index to next vcb.
|
||||
fcbdead lda #$0B fcb error so
|
||||
jsr sysdeath kill the system.
|
||||
|
||||
tstvopen lda VCBs,x make sure this vcb is open.
|
||||
tstvopen lda VCBs,x make sure this vcb is open.
|
||||
beq nxtfvol branch if it is not active.
|
||||
stx vcbptr save ptr to good vcb.
|
||||
clc no error
|
||||
rts
|
||||
|
||||
errnoref lda #$00 put a zero into this fcb to
|
||||
sta FCBs,y show free fcb.
|
||||
sta FCBs,y show free fcb.
|
||||
|
||||
badref lda #MLI.E.BADREF requested refnum is
|
||||
sec illegal (out of range)
|
||||
|
||||
@ -412,7 +412,7 @@ L39C2 jsr XDOS.ReadGBuf read in directory (or prefix dir)
|
||||
bcc L39F0 if they match, stop looking.
|
||||
|
||||
L39CC ldx vcbptr check if current (matched) vcb is active
|
||||
lda VCBs+VCB.OFCNT,x i.e. does it have open files?
|
||||
lda VCBs+VCB.OFCNT,x i.e. does it have open files?
|
||||
bne L39ED report not found if active.
|
||||
|
||||
L39D4 lda vnptr make path ptr same as volume ptr
|
||||
@ -577,7 +577,7 @@ logvcb ldx vcbptr previously logged in volume?
|
||||
jsr cmpvcb does vcb match vol read?
|
||||
bcc XDOS.CheckVolName.RTS yes, do not disturb.
|
||||
|
||||
logvcb1 ldy #$1F zero out vcb entry
|
||||
logvcb1 ldy #VCB-1 zero out vcb entry
|
||||
|
||||
L3AB2 stz VCBs,x
|
||||
inx
|
||||
@ -652,7 +652,7 @@ tsterr lda #MLI.E.NOTPRODOS not tree or dir, unrecognized type
|
||||
*--------------------------------------
|
||||
cmpvcb lda gbuf+4 with name in directory.
|
||||
and #$0F
|
||||
cmp VCBs,x are they the same length?
|
||||
cmp VCBs,x are they the same length?
|
||||
stx xvcbptr (see rev note #23)
|
||||
bne L3B1E if not the same.
|
||||
|
||||
@ -686,19 +686,17 @@ L3B2C tax
|
||||
jsr cmpvcb
|
||||
bcs L3B41 if no match.
|
||||
|
||||
lda VCBs+VCB.OFCNT,x test for any open files.
|
||||
lda VCBs+VCB.OFCNT,x test for any open files.
|
||||
bne L3B4B cannot look at this volume.
|
||||
|
||||
stz VCBs,x take duplicate offline if no open files
|
||||
stz VCBs,x take duplicate offline if no open files
|
||||
stz VCBs+VCB.DEV,x
|
||||
* clc ok to log in new volume.
|
||||
rts
|
||||
|
||||
L3B41 txa index to next vcb
|
||||
and #$E0 strip odd stuff.
|
||||
|
||||
* sec
|
||||
adc #$1F inc to next entry.
|
||||
adc #VCB-1
|
||||
bcc L3B2C branch if more to check
|
||||
|
||||
L3B49 clc
|
||||
|
||||
@ -280,7 +280,7 @@ XDOS.GetMark ldx fcbptr index to open fcb.
|
||||
|
||||
ldy #$02 index to user's mark parmeter.
|
||||
|
||||
.1 lda FCBs+18,x transfer current position
|
||||
.1 lda FCBs+FCB.MARK,x transfer current position
|
||||
sta (A3L),y to user's parameter list
|
||||
inx
|
||||
iny
|
||||
@ -304,7 +304,7 @@ XDOS.SetMark ldy #$04 index to user's desired position.
|
||||
sta tposll-2,y
|
||||
bcc .2 branch if mark < eof
|
||||
|
||||
cmp FCBs+21,x
|
||||
cmp FCBs+FCB.EOF,x
|
||||
bcc .2 branch if mark qualifies.
|
||||
|
||||
bne L3DFD branch if mark > eof (invalid position)
|
||||
@ -317,7 +317,7 @@ XDOS.SetMark ldy #$04 index to user's desired position.
|
||||
bne .1 branch if more.
|
||||
|
||||
rdposn ldy fcbptr test to see if new position is
|
||||
lda FCBs+19,y within the same (current) data block.
|
||||
lda FCBs+FCB.MARK+1,y within the same (current) data block.
|
||||
and #$FE
|
||||
sta scrtch
|
||||
lda tposlh middle byte of new position
|
||||
@ -330,12 +330,12 @@ rdposn ldy fcbptr test to see if new position is
|
||||
bcs L3E44 of current position.
|
||||
|
||||
lda tposhi make sure within the same 64k.
|
||||
cmp FCBs+20,y
|
||||
cmp FCBs+FCB.MARK+2,y
|
||||
bne L3E44 branch if not.
|
||||
|
||||
jmp svmark if so, adj fcb, position ptr and return.
|
||||
|
||||
L3E44 lda FCBs+7,y determine file type for positioning.
|
||||
L3E44 lda FCBs+FCB.STYPE,y determine file type for positioning.
|
||||
beq L3E50 0 = invalid file type.
|
||||
|
||||
cmp #$04 tree class file?
|
||||
@ -345,13 +345,13 @@ L3E44 lda FCBs+7,y determine file type for positioning.
|
||||
|
||||
L3E50 ldy #$A4 clear illegal filetype entry in fcb
|
||||
sta FCBs,y
|
||||
lda #$43 and report error
|
||||
lda #MLI.E.BADREF and report error
|
||||
sec
|
||||
rts
|
||||
|
||||
L3E59 lda FCBs+7,y use storage type as # of index levels
|
||||
L3E59 lda FCBs+FCB.STYPE,y use storage type as # of index levels
|
||||
sta levels since 1=seed, 2=sapling, 3=tree.
|
||||
lda FCBs+8,y
|
||||
lda FCBs+FCB.F,y
|
||||
and #$40 if previous data was modified then
|
||||
beq L3E6B disk must be updated.
|
||||
|
||||
@ -360,7 +360,7 @@ L3E59 lda FCBs+7,y use storage type as # of index levels
|
||||
bcs L3ED4 if error.
|
||||
|
||||
L3E6B ldy fcbptr test to see if current index block
|
||||
lda FCBs+20,y is usable by checking if new
|
||||
lda FCBs+FCB.MARK+2,y is usable by checking if new
|
||||
and #$FE position is within 128k of the
|
||||
sta scrtch beginning of current sapling level
|
||||
lda tposhi chunk.
|
||||
@ -380,13 +380,13 @@ L3E89 lda tposlh is new position < 512 ?
|
||||
ora tposhi
|
||||
bne L3EEF no, mark both data and index block as
|
||||
|
||||
lda FCBs+12,y unallocated. 1st block is only block
|
||||
lda FCBs+FCB.1stBLK,y unallocated. 1st block is only block
|
||||
sta bloknml and it's data.
|
||||
lda FCBs+13,y high block address.
|
||||
lda FCBs+FCB.1stBLK+1,y high block address.
|
||||
jmp rnewpos go read in block and set statuses.
|
||||
|
||||
L3E9D lda FCBs+8,y check to see if previous index block
|
||||
and #$80 was modified.
|
||||
L3E9D lda FCBs+FCB.F,y check to see if previous index block
|
||||
and #FCB.F.IBLKMOD was modified.
|
||||
beq L3EA9 read in over it if current up to date.
|
||||
|
||||
jsr wfcbidx go update index on disk (fcb block addr)
|
||||
@ -413,9 +413,9 @@ L3EA9 ldx levels be sure there is a top index
|
||||
|
||||
ldy fcbptr save newly loaded index block's address.
|
||||
lda bloknml
|
||||
sta FCBs+14,y
|
||||
sta FCBs+FCB.IBLK,y
|
||||
lda bloknml+1
|
||||
sta FCBs+15,y
|
||||
sta FCBs+FCB.IBLK+1,y
|
||||
bcc datlevel branch always
|
||||
|
||||
L3ED4 rts
|
||||
@ -464,8 +464,8 @@ datlevel lda tposhi get block address of data block
|
||||
dec zpt+1
|
||||
|
||||
L3F18 ldy fcbptr set status to show what's missing
|
||||
ora FCBs+8,y
|
||||
sta FCBs+8,y
|
||||
ora FCBs+FCB.F,y
|
||||
sta FCBs+FCB.F,y
|
||||
lsr discard bit that says data block
|
||||
lsr unallocated because carry indicates if
|
||||
jsr zipdata index block is invalid and needs to be
|
||||
@ -518,10 +518,10 @@ svmark ldy fcbptr update position in fcb
|
||||
iny
|
||||
iny
|
||||
ldx #$02
|
||||
L3F68 lda FCBs+18,y save old mark in case calling routine
|
||||
L3F68 lda FCBs+FCB.MARK,y save old mark in case calling routine
|
||||
sta oldmark,x fails later.
|
||||
lda tposll,x
|
||||
sta FCBs+18,y
|
||||
sta FCBs+FCB.MARK,y
|
||||
dey
|
||||
dex move 3 byte position marker
|
||||
bpl L3F68
|
||||
@ -536,9 +536,9 @@ L3F68 lda FCBs+18,y save old mark in case calling routine
|
||||
L3F86 rts carry set if error
|
||||
|
||||
clrstats ldy fcbptr clear allocation states for data block
|
||||
lda FCBs+8,y and both levels of indexes/
|
||||
lda FCBs+FCB.F,y and both levels of indexes/
|
||||
and #$F8
|
||||
sta FCBs+8,y indicates that either they exist now
|
||||
sta FCBs+FCB.F,y indicates that either they exist now
|
||||
rts or unnecessary for current position.
|
||||
|
||||
dirmark cmp #$0D is it a directory ?
|
||||
@ -550,7 +550,7 @@ dirmark cmp #$0D is it a directory ?
|
||||
L3F9C lda scrtch recover results of previous subtraction.
|
||||
lsr use difference as counter for how many
|
||||
sta cntent blocks must be read to get to new pos'n.
|
||||
lda FCBs+19,y test for positive direction
|
||||
lda FCBs+FCB.MARK+1,y test for positive direction
|
||||
cmp tposlh indicated by carry.
|
||||
bcc L3FB9 if set, position forward. otherwise,
|
||||
|
||||
@ -597,23 +597,25 @@ rfcbdat lda #$01 read command
|
||||
|
||||
ldy fcbptr
|
||||
lda bloknml
|
||||
sta FCBs+16,y save block # just read in fcb.
|
||||
sta FCBs+FCB.DBLK,y save block # just read in fcb.
|
||||
lda bloknml+1
|
||||
sta FCBs+17,y
|
||||
sta FCBs+FCB.DBLK+1,y
|
||||
L3FF2 rts
|
||||
|
||||
rfcbidx lda #$01 prepare to read index block : read command
|
||||
sta A4L
|
||||
ldx #$48 address of current index buffer.
|
||||
jsr fileio1 go read index block.
|
||||
bcs L400C error
|
||||
bcs L400C error
|
||||
|
||||
ldy fcbptr
|
||||
lda bloknml
|
||||
sta FCBs+14,y save block address of this index in fcb
|
||||
sta FCBs+FCB.IBLK,y save block address of this index in fcb
|
||||
lda bloknml+1
|
||||
sta FCBs+15,y
|
||||
clc
|
||||
sta FCBs+FCB.IBLK+1,y
|
||||
|
||||
* clc
|
||||
|
||||
L400C rts
|
||||
|
||||
wfcbfst jsr upbmap update the bitmap and write file's 1st block.
|
||||
@ -631,9 +633,9 @@ rfcbfst lda #$01 read command.
|
||||
ldx #$48 rd block into index portion of file buf
|
||||
|
||||
dofileio sta A4L command
|
||||
lda FCBs,y get disk block address from fcb.
|
||||
lda FCBs,y get disk block address from fcb.
|
||||
sta bloknml block 0 not legal
|
||||
cmp FCBs+1,y
|
||||
cmp FCBs+FCB.DEVID,y
|
||||
bne L4031
|
||||
cmp #$00 are both bytes 0 ?
|
||||
bne L4031 no, continue request
|
||||
@ -641,17 +643,18 @@ dofileio sta A4L command
|
||||
lda #$0C otherwise, allocation error.
|
||||
jsr sysdeath doesn't return...
|
||||
|
||||
L4031 lda FCBs+1,y high address of disk block
|
||||
L4031 lda FCBs+FCB.DEVID,y high address of disk block
|
||||
sta bloknml+1
|
||||
|
||||
fileio1 php no interrupts
|
||||
sei
|
||||
|
||||
lda $00,x get memory address of buffer from
|
||||
sta buf page zero pointed to by x register
|
||||
lda $01,x
|
||||
sta buf+1 and pass address to device handler
|
||||
ldy fcbptr
|
||||
lda FCBs+1,y
|
||||
lda FCBs+FCB.DEVID,y
|
||||
sta devnum along with device #.
|
||||
lda #$FF also, set to indicate reg call made to
|
||||
sta ioaccess device handler.
|
||||
@ -687,10 +690,12 @@ wfcbidx jsr upbmap update bitmap.
|
||||
lda #$02
|
||||
jsr dofileio go write out index block.
|
||||
bcs L4096 if errors.
|
||||
|
||||
lda #$7F mark index status as current.
|
||||
|
||||
L408D ldy fcbptr change status byte to reflect
|
||||
and FCBs+8,y successful disk file update.
|
||||
sta FCBs+8,y (carry is unaffected)
|
||||
and FCBs+FCB.F,y successful disk file update.
|
||||
sta FCBs+FCB.F,y (carry is unaffected)
|
||||
L4096 rts
|
||||
*--------------------------------------
|
||||
XDOS.Open jsr findfile look up the file.
|
||||
@ -718,7 +723,7 @@ L40B9 ldx #$1F assign fcb,
|
||||
|
||||
lda #0
|
||||
|
||||
L40BD sta FCBs,y but clean it first.
|
||||
L40BD sta FCBs,y but clean it first.
|
||||
iny
|
||||
dex
|
||||
bpl L40BD
|
||||
@ -729,7 +734,7 @@ L40BD sta FCBs,y but clean it first.
|
||||
tay
|
||||
|
||||
L40CB lda d_dev-1,x move ownership info.
|
||||
sta FCBs,y note: this code depends upon the defined
|
||||
sta FCBs,y note: this code depends upon the defined
|
||||
dey order of both the fcb and directory
|
||||
dex entry buffer.
|
||||
bne L40CB
|
||||
@ -740,7 +745,7 @@ L40CB lda d_dev-1,x move ownership info.
|
||||
lsr
|
||||
lsr
|
||||
tax save in x for later comparison
|
||||
sta FCBs+7,y and in fcb for future access.
|
||||
sta FCBs+FCB.STYPE,y and in fcb for future access.
|
||||
lda d_attr get file's attributes and use it
|
||||
and #$03 as a default access request.
|
||||
cpx #$0D if directory, don't allow write enable.
|
||||
@ -748,7 +753,7 @@ L40CB lda d_dev-1,x move ownership info.
|
||||
|
||||
and #$01 read enabled bit
|
||||
|
||||
L40EB sta FCBs+9,y
|
||||
L40EB sta FCBs+FCB.ACCESS,y
|
||||
and #$02 check for write enabled request.
|
||||
beq L40F7 branch for open as read-only
|
||||
|
||||
@ -781,12 +786,12 @@ L4101 sta bloknml+1 of file and current usage count.
|
||||
|
||||
jsr fndfcbuf rtn addr of bufs in data & index ptrs.
|
||||
lda flevel mark level at which
|
||||
sta FCBs+27,y file was opened.
|
||||
lda FCBs+7,y file must be positioned at beginning.
|
||||
sta FCBs+FCB.FLEVEL,y file was opened.
|
||||
lda FCBs+FCB.STYPE,y file must be positioned at beginning.
|
||||
cmp #$04 is it a tree file ?
|
||||
bcs L415E no, assume a directory.
|
||||
lda #$FF fool the position routine into giving
|
||||
sta FCBs+20,y a valid position with preloaded data,
|
||||
sta FCBs+FCB.MARK+2,y a valid position with preloaded data,
|
||||
|
||||
ldy #$02 etc. set desired position to 0.
|
||||
lda #$00
|
||||
@ -800,7 +805,7 @@ L413C sta tposll,y
|
||||
|
||||
L4147 pha save error code.
|
||||
ldy fcbptr free buffer space.
|
||||
lda FCBs+11,y
|
||||
lda FCBs+FCB.BUFID,y
|
||||
beq L4156 if no bufnum, ok because never alloc'd.
|
||||
|
||||
jsr relbuffr go release buffer.
|
||||
@ -864,7 +869,7 @@ L41A9 lda FCBs,y all bytes must match to say that it's
|
||||
bne L41A9 loop to check all owner info.
|
||||
|
||||
inc totent file is already open, now see
|
||||
lda FCBs+9,y if it's already opened for write. and #$02 if so report file busy (with carry set).
|
||||
lda FCBs+FCB.ACCESS,y if it's already opened for write. and #$02 if so report file busy (with carry set).
|
||||
and #$02 if so report file busy (with carry set).
|
||||
beq L41C1 branch if this file is read access only.
|
||||
sec
|
||||
|
||||
@ -12,11 +12,11 @@ XDOS.Read jsr mvdbufr xfer buffer address and request count
|
||||
bcc L4205 branch if result mark < eof. adjust
|
||||
|
||||
ldy fcbptr request to read until just before eof.
|
||||
lda FCBs+21,y result = (eof-1) - position
|
||||
lda FCBs+FCB.EOF,y result = (eof-1) - position
|
||||
sbc tposll
|
||||
sta cbytes
|
||||
sta rwreql
|
||||
lda FCBs+22,y
|
||||
lda FCBs+FCB.EOF+1,y
|
||||
sbc tposlh
|
||||
sta cbytes+1
|
||||
sta rwreqh
|
||||
@ -158,12 +158,13 @@ preprw ldy fcbptr adj pointer to user's buffer to make
|
||||
sta usrbuf
|
||||
bcs L42E9 if no adjustment to hi address needed
|
||||
dec usrbuf+1
|
||||
L42E9 lda FCBs+31,y test for new line enabled.
|
||||
|
||||
L42E9 lda FCBs+FCB.NLMASK,y test for new line enabled.
|
||||
clc
|
||||
beq L42F9 if new line not enabled.
|
||||
sec carry indicates new line enabled
|
||||
sta nlmask
|
||||
lda FCBs+10,y move newline character to more
|
||||
lda FCBs+FCB.NLBYTE,y move newline character to more
|
||||
sta nlchar accesible spot.
|
||||
L42F9 ldy tposll index to 1st data.
|
||||
lda datptr reset low order of position pointer to
|
||||
@ -279,10 +280,10 @@ dread jsr rdposn
|
||||
ldy #$00 provide dummy back pointer for future
|
||||
ldx fcbptr re-position. x = hi byte of last block
|
||||
|
||||
L43A6 lda FCBs+16,x
|
||||
L43A6 lda FCBs+FCB.DBLK,x
|
||||
sta (datptr),y
|
||||
|
||||
stz FCBs+16,x mark current block as impossible
|
||||
stz FCBs+FCB.DBLK,x mark current block as impossible
|
||||
inx
|
||||
iny inc indexes to do both hi and low bytes
|
||||
cpy #$02
|
||||
@ -302,7 +303,7 @@ mvcbytes ldy #$04 move request count to a more accessable location
|
||||
sta cbytes+1
|
||||
sta rwreqh
|
||||
ldy fcbptr return y = val(fcbptr),
|
||||
lda FCBs+9,y a = attributes
|
||||
lda FCBs+FCB.ACCESS,y a = attributes
|
||||
clc and carry clear...
|
||||
rts
|
||||
|
||||
@ -314,7 +315,7 @@ mvdbufr ldy #$02 move the pointer to user's buffer
|
||||
sta usrbuf+1
|
||||
|
||||
gfcbstyp ldy fcbptr return storage type
|
||||
lda FCBs+7,y
|
||||
lda FCBs+FCB.STYPE,y
|
||||
rts
|
||||
|
||||
* this subroutine adds the requested byte count to mark and returns sum
|
||||
@ -327,7 +328,7 @@ gfcbstyp ldy fcbptr return storage type
|
||||
calcmrk ldx #$00
|
||||
ldy fcbptr
|
||||
clc
|
||||
L43EE lda FCBs+18,y
|
||||
L43EE lda FCBs+FCB.MARK,y
|
||||
sta tposll,x
|
||||
sta oldmark,x
|
||||
adc cbytes,x
|
||||
@ -341,7 +342,7 @@ L43EE lda FCBs+18,y
|
||||
bne L43EE always.
|
||||
|
||||
eoftest lda scrtch,x new mark in scrtch.
|
||||
cmp FCBs+21,y is new position > eof ?
|
||||
cmp FCBs+FCB.EOF,y is new position > eof ?
|
||||
bcc L4414 no, proceed.
|
||||
bne L4414 yes, adjust 'cbytes' request
|
||||
|
||||
@ -354,9 +355,9 @@ L4414 rts
|
||||
werreof jsr plus2fcb reset eof to pre-error position.
|
||||
|
||||
L4418 lda oldeof,x place oldeof back into fcb
|
||||
sta FCBs+21,y
|
||||
sta FCBs+FCB.EOF,y
|
||||
lda oldmark,x also reset mark to last best
|
||||
sta FCBs+18,y write position
|
||||
sta FCBs+FCB.MARK,y write position
|
||||
sta scrtch,x and copy mark to scrtch for test of
|
||||
dey eof less than mark.
|
||||
dex
|
||||
@ -369,12 +370,12 @@ L4418 lda oldeof,x place oldeof back into fcb
|
||||
|
||||
wadjeof jsr plus2fcb get y=fcbptr+2, x=2, a=y.
|
||||
|
||||
L4434 lda FCBs+21,y copy eof to old eof
|
||||
L4434 lda FCBs+FCB.EOF,y copy eof to old eof
|
||||
sta oldeof,x
|
||||
bcc L4442 and if carry set...
|
||||
|
||||
lda scrtch,x then copy scrtch to fcb's eof.
|
||||
sta FCBs+21,y
|
||||
sta FCBs+FCB.EOF,y
|
||||
|
||||
L4442 dey
|
||||
dex copy all 3 bytes
|
||||
@ -457,7 +458,7 @@ L44B8 jsr alcwblk go allocate for data block.
|
||||
jsr gfcbstat clear allocation required bits in status
|
||||
ora #$80 but first indicate index block is dirty.
|
||||
and #$F8
|
||||
sta FCBs+8,y
|
||||
sta FCBs+FCB.F,y
|
||||
lda tposhi calculate position within index block.
|
||||
lsr
|
||||
lda tposlh
|
||||
@ -471,9 +472,9 @@ L44B8 jsr alcwblk go allocate for data block.
|
||||
lda scrtch block. get low block address.
|
||||
sta (zpt),y store low address.
|
||||
ldy fcbptr update fcb to indicate that this block
|
||||
sta FCBs+16,y is allocated.
|
||||
sta FCBs+FCB.DBLK,y is allocated.
|
||||
txa get high address again.
|
||||
sta FCBs+17,y
|
||||
sta FCBs+FCB.DBLK+1,y
|
||||
|
||||
L44E9 jsr preprw
|
||||
jsr wrtpart
|
||||
@ -541,7 +542,7 @@ L4549 sty tposll save low position
|
||||
php save statuses
|
||||
jsr gfcbstat
|
||||
ora #$50
|
||||
sta FCBs+8,y
|
||||
sta FCBs+FCB.F,y
|
||||
clc adjust user's low buffer address
|
||||
lda tposll
|
||||
adc usrbuf
|
||||
@ -583,9 +584,9 @@ L457A jsr alcwblk get another block address for the sap
|
||||
sta (zpt),y save hi address
|
||||
dec zpt+1
|
||||
ldy fcbptr make newly allocated block the current
|
||||
sta FCBs+15,y index block.
|
||||
sta FCBs+FCB.IBLK+1,y index block.
|
||||
txa
|
||||
sta FCBs+14,y
|
||||
sta FCBs+FCB.IBLK,y
|
||||
jsr wfcbfst save new top of tree
|
||||
bcs L45B1
|
||||
|
||||
@ -604,18 +605,18 @@ swapdown jsr alcwblk make current seed into a sapling, allocate a block befo
|
||||
bcs L45F6 return errors.
|
||||
|
||||
ldy fcbptr get previous first block
|
||||
lda FCBs+12,y address into index block.
|
||||
lda FCBs+FCB.1stBLK,y address into index block.
|
||||
pha save temporarily while swapping in new
|
||||
lda scrtch top index. get new block address (low)
|
||||
tax
|
||||
sta FCBs+12,y
|
||||
lda FCBs+13,y
|
||||
sta FCBs+FCB.1stBLK,y
|
||||
lda FCBs+FCB.1stBLK+1,y
|
||||
pha
|
||||
lda scrtch+1 and high address too
|
||||
sta FCBs+13,y
|
||||
sta FCBs+15,y make new top also the current index in
|
||||
sta FCBs+FCB.1stBLK+1,y
|
||||
sta FCBs+FCB.IBLK+1,y make new top also the current index in
|
||||
txa memory. get low address again.
|
||||
sta FCBs+14,y
|
||||
sta FCBs+FCB.IBLK,y
|
||||
inc zpt+1 make previous the 1st entry in sub index
|
||||
pla
|
||||
sta (zpt)
|
||||
@ -626,11 +627,12 @@ swapdown jsr alcwblk make current seed into a sapling, allocate a block befo
|
||||
bcs L45F6 if error.
|
||||
|
||||
jsr gfcbstyp now adjust storage type by adding 1
|
||||
adc #$01 (seed becomes sapling becomes tree)
|
||||
sta FCBs+7,y
|
||||
lda FCBs+8,y mark storage type modified
|
||||
ora #$08
|
||||
sta FCBs+8,y
|
||||
* adc #$01 (seed becomes sapling becomes tree)
|
||||
inc
|
||||
sta FCBs+FCB.STYPE,y
|
||||
lda FCBs+FCB.F,y mark storage type modified
|
||||
ora #FCB.F.STMOD
|
||||
sta FCBs+FCB.F,y
|
||||
|
||||
clc no error
|
||||
L45F6 rts
|
||||
@ -640,15 +642,17 @@ alcwblk jsr alc1blk
|
||||
|
||||
jsr gfcbstat mark usage as modified
|
||||
|
||||
ora #$10
|
||||
sta FCBs+8,y
|
||||
lda FCBs+24,y inc current usage count by 1
|
||||
clc
|
||||
adc #$01
|
||||
sta FCBs+24,y
|
||||
lda FCBs+25,y
|
||||
adc #$00
|
||||
sta FCBs+25,y
|
||||
ora #FCB.F.UMOD
|
||||
sta FCBs+FCB.F,y
|
||||
|
||||
lda FCBs+FCB.UBLK,y inc current usage count by 1
|
||||
inc
|
||||
sta FCBs+FCB.UBLK,y
|
||||
bne L4615
|
||||
|
||||
lda FCBs+FCB.UBLK+1,y
|
||||
inc
|
||||
sta FCBs+FCB.UBLK+1,y
|
||||
|
||||
L4615 clc no error
|
||||
L4616 rts
|
||||
@ -657,7 +661,7 @@ tstwprot jsr gfcbstat check for 'never been modified' condition
|
||||
and #$F0
|
||||
bne L4615 ordinary rts if known write ok.
|
||||
|
||||
lda FCBs+1,y get file's dev #.
|
||||
lda FCBs+FCB.DEVID,y get file's dev #.
|
||||
sta devnum get current status of block device.
|
||||
|
||||
twrprot1 sta unitnum make the device status call
|
||||
|
||||
@ -10,7 +10,7 @@ XDOS.Close ldy #$01 close all ?
|
||||
|
||||
L4654 sta fcbptr save current low byte of pointer.
|
||||
tay get the level at which the file
|
||||
lda FCBs+27,y was opened.
|
||||
lda FCBs+FCB.FLEVEL,y was opened.
|
||||
cmp flevel if file's level is < global level
|
||||
bcc L4675 then don't close.
|
||||
|
||||
@ -40,14 +40,14 @@ L4683 jsr flush1 flush file 1st (including updating
|
||||
bcs L46B6 bitmap). branch if errors.
|
||||
|
||||
close2 ldy fcbptr
|
||||
lda FCBs+11,y release file buffer
|
||||
lda FCBs+FCB.BUFID,y release file buffer
|
||||
jsr relbuffr
|
||||
bcs L46B6
|
||||
|
||||
lda #$00
|
||||
ldy fcbptr
|
||||
sta FCBs,y free fcb too
|
||||
lda FCBs+1,y
|
||||
lda FCBs+FCB.DEVID,y
|
||||
sta devnum go look for associated vcb
|
||||
jsr fnddvcb
|
||||
|
||||
@ -98,11 +98,11 @@ flush1 stz cferr for normal refnum flush, clear global error.
|
||||
jsr findfcb setup pointer to fcb user references.
|
||||
bcs L46E6 return any errors.
|
||||
|
||||
L46F1 lda FCBs+9,y test to see if file is modified.
|
||||
L46F1 lda FCBs+FCB.ACCESS,y test to see if file is modified.
|
||||
and #$02 is it write enabled ?
|
||||
beq L46D9 branch if 'read only'
|
||||
|
||||
lda FCBs+28,y has eof been modified ?
|
||||
lda FCBs+FCB.DIRTY,y has eof been modified ?
|
||||
bmi L4704 if yes.
|
||||
|
||||
jsr gfcbstat has data been modified ?
|
||||
@ -156,13 +156,14 @@ L4755 jsr entcalc buffer. set up pointer to entry.
|
||||
jsr moventry move entry to temp entry buffer in
|
||||
|
||||
ldy fcbptr 'work space'. update 'blocks used' count
|
||||
lda FCBs+24,y
|
||||
lda FCBs+FCB.UBLK,y
|
||||
sta d_usage
|
||||
lda FCBs+25,y
|
||||
lda FCBs+FCB.UBLK+1,y
|
||||
sta d_usage+1
|
||||
|
||||
ldx #$00 and move in end of file mark whether
|
||||
|
||||
L476C lda FCBs+21,y needed or not.
|
||||
L476C lda FCBs+FCB.EOF,y needed or not.
|
||||
sta d_eof,x
|
||||
inx
|
||||
cpx #$03 move all 3 bytes
|
||||
@ -173,7 +174,7 @@ L476C lda FCBs+21,y needed or not.
|
||||
iny since the file first opened.
|
||||
bne L476C branch always.
|
||||
|
||||
L4780 lda FCBs+5,y the last thing to update is storage
|
||||
L4780 lda FCBs+FCB.STYPE-2,y the last thing to update is storage
|
||||
asl type (y=fcbptr+2). shift into high
|
||||
asl nibble.
|
||||
asl
|
||||
@ -187,9 +188,9 @@ L4780 lda FCBs+5,y the last thing to update is storage
|
||||
bcs glberr error.
|
||||
|
||||
ldy fcbptr mark
|
||||
lda FCBs+28,y fcb/directory
|
||||
lda FCBs+FCB.DIRTY,y fcb/directory
|
||||
and #$7F as
|
||||
sta FCBs+28,y undirty.
|
||||
sta FCBs+FCB.DIRTY,y undirty.
|
||||
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.
|
||||
@ -217,7 +218,7 @@ L47C1 pla
|
||||
rts
|
||||
|
||||
gfcbstat ldy fcbptr index to fcb.
|
||||
lda FCBs+8,y return status byte.
|
||||
lda FCBs+FCB.F,y return status byte.
|
||||
rts
|
||||
|
||||
L47CA lda #MLI.E.LOCKED access error
|
||||
@ -233,7 +234,7 @@ XDOS.SetEOF jsr gfcbstyp can only move end of tree, sapling or seed.
|
||||
asl
|
||||
asl
|
||||
sta stortyp may be used later.
|
||||
lda FCBs+9,y
|
||||
lda FCBs+FCB.ACCESS,y
|
||||
and #$02 is write enabled to set new eof ?
|
||||
beq L47CA no, access error.
|
||||
|
||||
@ -245,7 +246,7 @@ XDOS.SetEOF jsr gfcbstyp can only move end of tree, sapling or seed.
|
||||
iny upon contraction.
|
||||
ldx #$02 all 3 bytes of the eof
|
||||
|
||||
L47EF lda FCBs+21,y
|
||||
L47EF lda FCBs+FCB.EOF,y
|
||||
sta oldeof,x
|
||||
dey
|
||||
dex
|
||||
@ -276,7 +277,7 @@ eofset ldy #$04
|
||||
inx
|
||||
|
||||
L481C lda (A3L),y
|
||||
sta FCBs+21,x
|
||||
sta FCBs+FCB.EOF,x
|
||||
dex
|
||||
dey
|
||||
cpy #$02 all 3 bytes moved ?
|
||||
@ -298,7 +299,7 @@ purge jsr flush1 make sure file is current
|
||||
iny
|
||||
ldx #$02
|
||||
|
||||
L4840 lda FCBs+18,y
|
||||
L4840 lda FCBs+FCB.MARK,y
|
||||
cmp tposll,x compare until not equal or carry clear.
|
||||
bcc L485F branch if eof > mark.
|
||||
|
||||
@ -312,7 +313,7 @@ L484E ldy fcbptr
|
||||
ldx #$00
|
||||
|
||||
L4853 lda tposll,x fake position, correct position will
|
||||
sta FCBs+18,y be made below...
|
||||
sta FCBs+FCB.MARK,y be made below...
|
||||
iny
|
||||
inx
|
||||
cpx #$03 move all 3 bytes
|
||||
@ -349,9 +350,9 @@ L485F jsr tkfrecnt force free block count before releasing
|
||||
|
||||
L489F sta dseed+1
|
||||
L48A2 ldy fcbptr also must pass file's 1st block address.
|
||||
lda FCBs+12,y
|
||||
lda FCBs+FCB.1stBLK,y
|
||||
sta firstbl
|
||||
lda FCBs+13,y
|
||||
lda FCBs+FCB.1stBLK+1,y
|
||||
sta firstbh
|
||||
stz deblock lastly, initialize # of blocks to
|
||||
stz deblock+1 be free'd.
|
||||
@ -363,10 +364,10 @@ L48A2 ldy fcbptr also must pass file's 1st block address.
|
||||
ldx #$00
|
||||
|
||||
L48C2 lda firstbl,x
|
||||
sta FCBs+12,y move in possible new first file block
|
||||
lda FCBs+24,y address. adjust usage count also
|
||||
sta FCBs+FCB.1stBLK,y move in possible new first file block
|
||||
lda FCBs+FCB.UBLK,y address. adjust usage count also
|
||||
sbc deblock,x
|
||||
sta FCBs+24,y
|
||||
sta FCBs+FCB.UBLK,y
|
||||
iny
|
||||
inx
|
||||
txa
|
||||
@ -379,18 +380,19 @@ L48C2 lda firstbl,x
|
||||
lsr
|
||||
lsr
|
||||
ldy fcbptr and save it in fcb.
|
||||
sta FCBs+7,y
|
||||
sta FCBs+FCB.STYPE,y
|
||||
jsr clrstats make it look as though position has
|
||||
jsr dvcbrev nothing allocated, update total blocks
|
||||
ldy fcbptr in fcb and correct position.
|
||||
iny
|
||||
iny
|
||||
|
||||
ldx #$02
|
||||
|
||||
L48F2 lda FCBs+18,y tell 'rdposn' to go to correct
|
||||
L48F2 lda FCBs+FCB.MARK,y tell 'rdposn' to go to correct
|
||||
sta tposll,x
|
||||
eor #$80 position from incorrect place.
|
||||
sta FCBs+18,y
|
||||
sta FCBs+FCB.MARK,y
|
||||
dey
|
||||
dex
|
||||
bpl L48F2
|
||||
@ -428,7 +430,7 @@ XDOS.GetEOF ldx fcbptr index to end of file mark
|
||||
|
||||
ldy #$02 and index to user's call parameters
|
||||
|
||||
L4924 lda FCBs+21,x
|
||||
L4924 lda FCBs+FCB.EOF,x
|
||||
sta (A3L),y
|
||||
inx
|
||||
iny
|
||||
@ -442,11 +444,11 @@ XDOS.NewLine ldy #$02 adjust newline status for open file.
|
||||
|
||||
lda (A3L),y on or off ?
|
||||
ldx fcbptr it will be 0 if off.
|
||||
sta FCBs+31,x set new line mask
|
||||
sta FCBs+FCB.NLMASK,x set new line mask
|
||||
|
||||
iny
|
||||
lda (A3L),y and move in 'new-line' byte
|
||||
sta FCBs+10,x
|
||||
sta FCBs+FCB.NLBYTE,x
|
||||
|
||||
clc no error possible
|
||||
rts
|
||||
@ -537,10 +539,9 @@ L49CF rts
|
||||
|
||||
L49D0 ldy #$0B
|
||||
lda (A3L),y was clock null input ?
|
||||
beq L49D9 if yes.
|
||||
bne XDOS.SetFileInfoEx.8
|
||||
|
||||
jmp drevise1 end by updating directory.
|
||||
L49D9 jmp drevise update with clock also...
|
||||
jmp drevise update with clock also...
|
||||
*--------------------------------------
|
||||
XDOS.SetFileInfoEx
|
||||
jsr findfile
|
||||
@ -554,7 +555,7 @@ XDOS.SetFileInfoEx
|
||||
dey
|
||||
dex
|
||||
bpl .2
|
||||
|
||||
XDOS.SetFileInfoEx.8
|
||||
jmp drevise1
|
||||
*--------------------------------------
|
||||
XDOS.GetFileInfoEx
|
||||
|
||||
@ -142,9 +142,9 @@ fcbused pha mark fcb as dirty so the directory will be flushed on 'flush
|
||||
tya save regs.
|
||||
pha
|
||||
ldy fcbptr
|
||||
lda FCBs+28,y fetch current fcb dirty byte.
|
||||
lda FCBs+FCB.DIRTY,y fetch current fcb dirty byte.
|
||||
ora #$80 mark fcb as dirty.
|
||||
sta FCBs+28,y save it back
|
||||
sta FCBs+FCB.DIRTY,y save it back
|
||||
pla and restore regs.
|
||||
tay
|
||||
pla
|
||||
@ -477,7 +477,7 @@ L4DFE dex set proper bits to 1
|
||||
ldy fcbptr calculate buffer number
|
||||
lda FCBs,y
|
||||
asl buffer number = (entnum) * 2.
|
||||
sta FCBs+11,y save it in fcb.
|
||||
sta FCBs+FCB.BUFID,y save it in fcb.
|
||||
tax use entnum * 2 as index to global
|
||||
lda datptr+1 buffer addr tables. get addr already
|
||||
sta buftbl-1,x validated as good. store hi addr
|
||||
|
||||
@ -763,6 +763,8 @@ XRW.Seek ldx XRW.UnitIndex
|
||||
nop
|
||||
nop
|
||||
lda IO.D2.Ph0On,y
|
||||
nop
|
||||
nop
|
||||
|
||||
jsr XRW.WaitSeekTime
|
||||
|
||||
|
||||
@ -139,16 +139,24 @@ prefixbuf .EQ $D742+125
|
||||
FCBs .EQ $D800
|
||||
FCB.ID .EQ 0
|
||||
FCB.DEVID .EQ 1
|
||||
FCB.MARK .EQ 2
|
||||
|
||||
|
||||
FCB.STYPE .EQ 7
|
||||
FCB.F .EQ 8
|
||||
FCB.F.STMOD .EQ 8
|
||||
FCB.F.STMOD .EQ %00001000
|
||||
FCB.F.UMOD .EQ %00010000
|
||||
FCB.F.IBLKMOD .EQ %10000000
|
||||
FCB.ACCESS .EQ 9
|
||||
FCB.NLBYTE .EQ 10
|
||||
FCB.BUFID .EQ 11
|
||||
FCB.IBLK .EQ 14
|
||||
FCB.1stBLK .EQ 12 2 bytes
|
||||
FCB.IBLK .EQ 14 2 bytes
|
||||
FCB.DBLK .EQ 16 2 bytes
|
||||
FCB.MARK .EQ 18 3 bytes
|
||||
FCB.EOF .EQ 21 3 bytes
|
||||
FCB.UBLK .EQ 24 2 bytes
|
||||
FCB.FLEVEL .EQ 27
|
||||
FCB.DIRTY .EQ 28
|
||||
FCB.NLMASK .EQ 31
|
||||
*
|
||||
FCB .EQ 32
|
||||
@ -159,7 +167,6 @@ VCB.OFCNT .EQ 17
|
||||
VCB.BMAP .EQ 18
|
||||
VCB.TBLK .EQ 20
|
||||
VCB.FBLK .EQ 22
|
||||
*VCB.ROOT .EQ 24
|
||||
VCB.BMAPIDX .EQ 24
|
||||
*
|
||||
VCB .EQ 32
|
||||
|
||||
@ -33,6 +33,7 @@ RW.Init >LDYAI RW.MSG
|
||||
rts
|
||||
|
||||
.10 jsr RW.Detect2
|
||||
|
||||
bcc .1
|
||||
>LDYAI RW.MSG.KO1
|
||||
jsr PrintFYA
|
||||
@ -94,7 +95,6 @@ RW.Detect2 php
|
||||
bpl .1
|
||||
lda #0
|
||||
.2 sta RWBankSelect
|
||||
|
||||
*--------------------------------------
|
||||
* Added after David Finnigan from macgui.com testing sessions
|
||||
*
|
||||
@ -120,7 +120,6 @@ RW.Detect2 php
|
||||
*
|
||||
* to address possibly a timing issue with Accelerators
|
||||
*--------------------------------------
|
||||
|
||||
cmp 0
|
||||
bne .4
|
||||
eor #$FF
|
||||
@ -145,9 +144,11 @@ RW.Detect2 php
|
||||
sta CLRALTZP
|
||||
plp
|
||||
lda RW.PGCNT
|
||||
beq .9
|
||||
bmi .9
|
||||
|
||||
clc
|
||||
rts
|
||||
|
||||
.9 sec
|
||||
rts
|
||||
*--------------------------------------
|
||||
@ -357,8 +358,7 @@ DRV.COMMAND .EQ $42
|
||||
DRV.BUFF .EQ $44
|
||||
DRV.BLKNUM .EQ $46
|
||||
*--------------------------------------
|
||||
RWDRV.B.START
|
||||
.PH $FF00
|
||||
RWDRV.B.START .PH $FF00
|
||||
RWDRV.START cld ProDOS will check that byte!!!
|
||||
ldy DRV.COMMAND 0 = Status ?
|
||||
beq RMDRV.CMDSTATUS
|
||||
|
||||
Loading…
Reference in New Issue
Block a user