A2osX/SYS/KERNEL.S.FIO.txt

NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
*/--------------------------------------
* # LoadTxtFile
* Load TXT a file in memory (with ending 0)
* **In:**
*  Y,A = File Path
* ## RETURN VALUE
*  Y,A = File Length (without ending 0)
*  X = hMem of Loaded File
*\--------------------------------------
K.LoadTxtFile	pha
				>PUSHWI 0				Aux type
				>PUSHBI S.FI.T.TXT
				>PUSHBI	O.RDONLY
				pla
				sec
				.HS 90					BCC
*/--------------------------------------
* # LoadFile
* Load a file in memory
* **In:**
*  PUSHW = AUXTYPE (Handled by....
*  PUSHB = TYPE  ...
*  PUSHB = MODE  ...
*  LDYA = PATH ...FOpen)
* ## RETURN VALUE
*  Y,A = File Length
*  X = hMem of Loaded File
*\--------------------------------------
K.LoadFile		clc
				ror FIO.bTXT

				jsr K.FOpen
				bcc .12
				rts

.12				sta FIO.hFile

				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

				bit FIO.bTXT		Add 1 to buffer size for ending 0
				bpl .1
				iny
				bne .1
				inc
				bne .1
				
.10				lda #E.FTB
.11				bra .99
				
.1				jsr K.GetMem
				bcs .99
				>STYA FIO.Mem
				stx .8+1				
								
				>PUSHW K.S.Stat+S.STAT.SIZE
				>PUSHW FIO.Mem
				lda FIO.hFile
				jsr K.FRead
				bcs .98

				sty .6+1
				sta	.7+1				Save Bytes read
				
				jsr .99					close file
				
				bit FIO.bTXT
				bpl .6

				clc						set ending 0
				lda .6+1
				adc FIO.Mem
				sta .5+1
				lda .7+1
				adc FIO.Mem+1
				sta .5+2
				
.5				stz $ffff				Self Modified
				
.6				ldy #$ff				Self Modified
.7				lda #$ff				Self Modified
.8				ldx #$ff				Self Modified
				clc
.9				rts
				
.98				pha
				lda .8+1
				jsr K.FreeMem
				pla

.99				pha
				lda FIO.hFile
				jsr K.FClose
				pla
				sec
				rts
*--------------------------------------
FIO.bTXT		.BS 1
FIO.hFile		.BS 1
FIO.Mem			.BS 2
*/--------------------------------------
* # ChTyp
* Change The type of a ProDOS File
* ## C
* `int chtyp(const char *filepath, const char filetype);`
* ## ASM
* **In:**
* `>PUSHBI filetype`
* `>LDYA filepath`
* `>SYSCALL chtyp`
* ## RETURN VALUE
*\--------------------------------------
K.ChTyp			jsr PFT.CheckPathYA
				jsr STDIO.SetMLIPathYA
				>PULLB .1+1
				>MLICALL MLIGETFILEINFO
				bcs .9

.1				lda #$ff
				sta K.MLI.PARAMS+S.FI.T
				>MLICALL MLISETFILEINFO
.9				rts
*/--------------------------------------
* # ChMod
* **In:**
*  PUSHW = UID
*  PUSHW = PATH
*\--------------------------------------
K.ChMod			
*/--------------------------------------
* # ChOwn
* **In:**
*  PUSHW = mod
*  PUSHW = PATH
*\--------------------------------------
K.ChOwn			
*/--------------------------------------
* # ChGrp
* **In:**
*  PUSHW = GID
*  PUSHW = PATH
*\--------------------------------------
K.ChGrp			
				sec
				rts
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.FIO
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM