A2osX/SYS/KERNEL.S.FIO.txt

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NEW
PREFIX /A2OSX.BUILD
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AUTO 4,1
*/--------------------------------------
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* # LoadTxtFile
* Load TXT a file in memory (with ending 0)
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* **In:**
* Y,A = File Path
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* ## RETURN VALUE
* Y,A = File Length (without ending 0)
* X = hMem of Loaded File
*\--------------------------------------
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K.LoadTxtFile pha
>PUSHWI 0 Aux type
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>PUSHBI S.FI.T.TXT
>PUSHBI O.RDONLY
pla
sec
.HS 90 BCC
*/--------------------------------------
* # LoadFile
* Load a file in memory
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* **In:**
* PUSHW = AUXTYPE (Handled by....
* PUSHB = TYPE ...
* PUSHB = MODE ...
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* LDYA = PATH ...FOpen)
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* ## RETURN VALUE
* Y,A = File Length
* X = hMem of Loaded File
*\--------------------------------------
K.LoadFile clc
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ror FIO.bTXT
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jsr K.FOpen
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bcc .12
rts
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.12 sta FIO.hFile
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pha
>PUSHWI K.S.Stat
pla
jsr K.FStat
bcs .11
lda K.S.Stat+S.STAT.SIZE+3
ora K.S.Stat+S.STAT.SIZE+2
bne .10
>LDYA K.S.Stat+S.STAT.SIZE
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bit FIO.bTXT Add 1 to buffer size for ending 0
bpl .1
iny
bne .1
inc
bne .1
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.10 lda #K.E.FTB
.11 bra .99
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.1 jsr K.GetMem
bcs .99
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>STYA FIO.Mem
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stx .8+1
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>PUSHW K.S.Stat+S.STAT.SIZE
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>PUSHW FIO.Mem
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lda FIO.hFile
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jsr K.FRead
bcs .98
sty .6+1
sta .7+1 Save Bytes read
jsr .99 close file
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bit FIO.bTXT
bpl .6
clc set ending 0
lda .6+1
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adc FIO.Mem
sta .5+1
lda .7+1
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adc FIO.Mem+1
sta .5+2
.5 stz $ffff Self Modified
.6 ldy #$ff Self Modified
.7 lda #$ff Self Modified
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.8 ldx #$ff Self Modified
clc
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.9 rts
.98 pha
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lda .8+1
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jsr K.FreeMem
pla
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.99 pha
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lda FIO.hFile
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jsr K.FClose
pla
sec
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rts
*--------------------------------------
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FIO.bTXT .BS 1
FIO.hFile .BS 1
FIO.Mem .BS 2
*/--------------------------------------
* # ChTyp
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* Change The type of a ProDOS File
* ## C
* `int chtyp(const char *filepath, const char filetype);`
* ## ASM
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* **In:**
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* `>PUSHBI filetype`
* `>LDYA filepath`
* `>SYSCALL chtyp`
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* ## RETURN VALUE
*\--------------------------------------
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K.ChTyp jsr PFT.CheckPathYA
jsr STDIO.SetMLIPathYA
>PULLB .1+1
>MLICALL MLIGETFILEINFO
bcs .9
.1 lda #$ff
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sta K.MLI.PARAMS+S.FI.T
>MLICALL MLISETFILEINFO
.9 rts
*/--------------------------------------
* # ChMod
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* **In:**
* PUSHW = UID
* PUSHW = PATH
*\--------------------------------------
K.ChMod
*/--------------------------------------
* # ChOwn
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* **In:**
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* PUSHW = mod
* PUSHW = PATH
*\--------------------------------------
K.ChOwn
*/--------------------------------------
* # ChGrp
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* **In:**
* PUSHW = GID
* PUSHW = PATH
*\--------------------------------------
K.ChGrp
sec
rts
*--------------------------------------
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MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.FIO
LOAD /A2OSX.SRC/SYS/KERNEL.S
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ASM