A2osX/SYS/KERNEL.S.FS.txt

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NEW
AUTO 3,1
*--------------------------------------
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IO.OPEN.REG >MLICALL MLIGETFILEINFO
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bcc .10 Already Exists
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bit IO.Open.FLAGS Create if not exists ?
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bpl .9 No, return MLI error
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ldx #2 Yes, Create...
.1 lda IO.Open.TYPE,x
sta K.MLI.PARAMS+4,x File type,Aux type
dex
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bpl .1
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lda #S.FI.ST.STD
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jsr FS.CREATE
bcs .9
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.10 ldx #0
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jsr IO.MkFD
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bcs .9
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jsr FS.OPEN
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bcs .99
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lda IO.Open.FLAGS
bit #O.WRONLY
beq .20 Write mode ?
and #O.APPEND Append ?
bne .11 yes, go to end of file
stz K.MLI.PARAMS+2
stz K.MLI.PARAMS+3
stz K.MLI.PARAMS+4
>MLICALL MLISETEOF no, reset size to 0
bra .21
.11 >MLICALL MLIGETEOF
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bcs .99
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>MLICALL MLISETMARK
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.21 bcs .99
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.20 lda IO.Open.FLAGS
and #O.TEXT Text Mode ?
beq .8
lda #$FF
sta K.MLI.PARAMS+2
lda #C.CR
sta K.MLI.PARAMS+3
>MLICALL MLINEWLINE
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bcs .99
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.8 lda IO.hFD
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.9 rts
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.99 pha Save Error Code
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lda IO.hFD
jsr K.Close
pla
sec
rts
*--------------------------------------
IO.READ.REG ldx #MLIREAD
.HS 2C BIT ABS
*--------------------------------------
IO.WRITE.REG ldx #MLIWRITE
ldy #S.FD.REG.REF
lda (pFD),y
sta K.MLI.PARAMS+1
>PULLW K.MLI.PARAMS+2
>PULLW K.MLI.PARAMS+4
lda #4 Param Count = 4 for MLIREAD & MLIWRITE
jsr GP.MLICall
bcs .9
>LDYA K.MLI.PARAMS+6
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.9
IO.WRITE.REG.RTS
rts
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*--------------------------------------
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FS.CLOSE.REG
FS.CLOSE.DIR ldy #S.FD.REG.REF
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lda (pFD),y
beq .1
sta K.MLI.PARAMS+1
>MLICALL MLICLOSE
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bcs IO.WRITE.REG.RTS
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.1 ldy #S.FD.REG.IOBUF
lda (pFD),y
beq .2
jsr K.FreeMem
.2 lda IO.hFD
jmp K.FreeMem
*--------------------------------------
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FS.EOF.REG >MLICALL MLIGETMARK
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bcs .9
ldy #2
.1 lda K.MLI.PARAMS+2,y
sta ACC32,y
dey
bpl .1
>MLICALL MLIGETEOF
bcs .9
ldy #2
.2 lda K.MLI.PARAMS+2,y
eor ACC32,y
bne .8 FALSE
dey
bpl .2
lda #$ff TRUE
* clc
rts
.8 lda #0
* clc
.9 rts
*--------------------------------------
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FS.CREATE sta K.MLI.PARAMS+7 Storage Type
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ldx #3
.1 lda DATELO,x
sta K.MLI.PARAMS+8,x Create Date/Time
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dex
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bpl .1
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lda #S.FI.A.FULL
sta K.MLI.PARAMS+3 Access
>MLICALL MLICREATE
rts
*--------------------------------------
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FS.OPEN >LDYAI 1024 get a ProDOS IOBUF
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ldx #S.MEM.F.ALIGN
jsr MEM.GetMem.YAX
bcs .9
>STYA K.MLI.PARAMS+3 Save Ptr to IOBUF for MLIOPEN call
txa
ldy #S.FD.REG.IOBUF
sta (pFD),y
>MLICALL MLIOPEN
bcs .9
lda K.MLI.PARAMS+5 get ref_num
ldy #S.FD.REG.REF
sta (pFD),y
sta K.MLI.PARAMS+1 Next MLI Calls are REF_NUM based
* clc
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.9
FS.OPEN.RTS rts
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*--------------------------------------
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FS.FSTAT.A >PUSHA
FS.FSTAT >PUSHWI K.S.STAT
ldx #SYS.FStat
jsr PFT.CheckNode2
bcs .9
ldy #2
lda (pStack),y
tax
lda OF.Table.hPath-1,x
jsr K.GetMemPtr
jsr PFT.YAToMLIPATH
jsr FS.Stat.203
bcs .9
lda (pFD) #S.FD.T
bne .9
ldy #S.FD.REG.REF
lda (pFD),y
sta K.MLI.PARAMS+1
>MLICALL MLIGETEOF
ldx #2
.1 lda K.MLI.PARAMS+2,x
sta K.S.STAT+S.STAT.SIZE,x
dex
bpl .1
.9 >RET 3
*--------------------------------------
FS.STAT.YA >PUSHYA
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>PUSHWI K.S.STAT
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ldx #SYS.Stat
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jsr PFT.CheckPath2
bcs .9
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jsr FS.Stat.203
.9 >RET 4
*--------------------------------------
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FS.Stat bit CORE.FSID
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bmi FS.Stat.FX
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FS.Stat.203 >MLICALL MLIGETFILEINFO
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bcs FS.Stat.RTS
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jsr FS.ClrStat
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lda K.MLI.PARAMS+S.FI.T
cmp #S.FI.T.DIR
bne .1
lda /S.STAT.MODE.DIR
sta K.S.STAT+S.STAT.MODE+1
.1 lda K.MLI.PARAMS+S.FI.A
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sta K.S.STAT+S.STAT.P.ACCESS
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ldx #FS.GFI.Cnt
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.3 ldy FS.GFI.Src-1,x
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lda K.MLI.PARAMS,y
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ldy FS.Stat.Dst-1,x
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sta K.S.STAT,y
dex
bne .3
>LDYAI K.MLI.PARAMS+S.FI.CDATE
ldx #K.S.STAT+S.STAT.CTIME
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jsr FS.PTime2StatYAX
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>LDYAI K.MLI.PARAMS+S.FI.MDATE
ldx #K.S.STAT+S.STAT.MTIME
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jmp FS.PTime2StatYAX
FS.Stat.RTS rts
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*--------------------------------------
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FS.Stat.FX >MLICALL MLIGETFILEINFOEX
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bcc .1
cmp #MLI.E.BADCALL
beq FS.Stat.203 Apple WS CARD
rts
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.1 >LDYAI K.MLI.PARAMS+3
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>STYA ZPPtr3
*--------------------------------------
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FS.DirEnt2Stat jsr FS.ClrStat
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lda (ZPPtr3)
and #$F0
cmp #$D0 Vol Hdr, Dir Hdr or Dir ?
bcc .1
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lda /S.STAT.MODE.DIR
sta K.S.STAT+S.STAT.MODE+1
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.1 ldx #FS.DirEnt.Cnt
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.2 ldy FS.DirEnt.Src-1,x
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lda (ZPPtr3),y
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ldy FS.Stat.Dst-1,x
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sta K.S.STAT,y
dex
bne .2
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ldy #S.FIEX.ACCESS
lda (ZPPtr3),y
sta K.S.STAT+S.STAT.P.ACCESS
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ldy #S.FIEX.ACL
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lda (ZPPtr3),y
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cmp #$57
bne .7
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ldy #S.FIEX.ACL.UID
lda (ZPPtr3),y
sta K.S.STAT+S.STAT.UID
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ldy #S.FIEX.ACL.GID
lda (ZPPtr3),y
sta K.S.STAT+S.STAT.GID
ldy #S.FIEX.ACL.MOD
lda (ZPPtr3),y
tsb K.S.STAT+S.STAT.MODE
iny
lda (ZPPtr3),y
tsb K.S.STAT+S.STAT.MODE+1
.7 lda #S.FIEX.CTIME
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ldx #K.S.STAT+S.STAT.CTIME
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jsr FS.PTime2StatAX
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lda #S.FIEX.MTIME
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ldx #K.S.STAT+S.STAT.MTIME
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jmp FS.PTime2StatAX
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*--------------------------------------
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FS.ClrStat ldx #S.STAT-1
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.1 stz K.S.STAT,x
dex
bpl .1
lda CORE.FSID
sta K.S.STAT+S.STAT.FSID
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rts
*--------------------------------------
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FS.PTime2StatAX clc
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adc ZPPtr3
tay
lda ZPPtr3+1
adc #0
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FS.PTime2StatYAX
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>PUSHYA
>PUSHB /K.S.STAT
txa
>PUSHA
>SYSCALL2 PTime2Time
rts
*--------------------------------------
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FS.GFI.Src .DA #S.FI.T,#S.FI.AUXTYPE,#S.FI.AUXTYPE+1
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.DA #S.FI.UBLKS,#S.FI.UBLKS+1
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FS.GFI.Cnt .EQ *-FS.GFI.Src
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*--------------------------------------
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FS.DirEnt.Src .DA #S.FIEX.T,#S.FIEX.AUXTYPE,#S.FIEX.AUXTYPE+1
.DA #S.FIEX.BLKUSED,#S.FIEX.BLKUSED+1
.DA #S.FIEX.EOF,#S.FIEX.EOF+1,#S.FIEX.EOF+2
FS.DirEnt.Cnt .EQ *-FS.DirEnt.Src
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*--------------------------------------
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FS.Stat.Dst .DA #S.STAT.P.TYPE,#S.STAT.P.AUXTYPE,#S.STAT.P.AUXTYPE+1
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.DA #S.STAT.BLOCKS,#S.STAT.BLOCKS+1
.DA #S.STAT.SIZE,#S.STAT.SIZE+1,#S.STAT.SIZE+2
*--------------------------------------
MAN
SAVE usr/src/sys/kernel.s.fs
LOAD usr/src/sys/kernel.s
ASM