A2osX/SYS/KERNEL.S.CHR.txt

PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
*/--------------------------------------
* # FPutCAY
* Print A (char) to File
* ## In:
*  A : char to print
*  Y = hFILE
* ## Out: 
*  CC = success
*\--------------------------------------
K.FPutCAY		sta K.PutC.Char
				sty K.PutC.Node
				tya
				phy
				bne K.PutCharA.1
K.PutCharA.8	ply
				clc
				rts
*/--------------------------------------
* # PutCharA
* Print A (char) to StdOut
* ## In:
*  A : char to print
* ## Out: 
*  CC = success
*\--------------------------------------
K.PutCharA		sta K.PutC.Char
				phy
				ldy #S.PS.hStdOut
				lda	(pPs),y
				beq K.PutCharA.8			NUL
				
				phx
				
K.PutCharA.1	sta K.PutC.Node
				jsr K.GetMemPtrA
				>STYA pDev
								
				ldy #S.NODE.T
				lda (pDev),y
				asl
				tax
				jsr K.PutCharA.Jmp
				
				plx
				ply
				rts
*--------------------------------------
K.PutCharA.Jmp	jmp (.1,x)
.1				.DA K.PutCharA.REG
				.DA K.CHR.IOERR		DIR
				.DA K.PutCharA.CDEV
				.DA K.CHR.IOERR		BDEV
				.DA K.CHR.IOERR		LNK
				.DA K.CHR.IOERR		DSOCK
				.DA K.PutCharA.SSOCK
				.DA K.PutCharA.FIFO
*--------------------------------------
K.PutCharA.REG	lda K.PutC.Node
				ldy K.PutC.Char
				jmp K.FWriteAY
*--------------------------------------
K.PutCharA.CDEV	ldy #S.NODE.DEV.JMP
				lda (pDev),y
				sta .1+1
				iny
				lda (pDev),y
				sta .1+2
				lda K.PutC.Char
				ldx #DEVMGR.WRITE
.1				jmp $ffff
*--------------------------------------
K.PutCharA.SSOCK
				lda (pDev)				#S.NODE.HANDLER
				jsr K.GetMemPtrA
				>STYA .1
				
				ldy #S.NODE.SSOCK.HSKT
				>PUSHB (pDev),y
				>PUSHB K.PutC.Char	
				
				ldy #S.NODE.SSOCK.WRITE
				lda (pDev),y
				tax						Function Offset for write
.1				jmp $ffff
*--------------------------------------
K.PutCharA.FIFO	ldy #S.NODE.FIFO.S
				lda (pDev),y
				beq .9					Remote PS did not opened yet the pipe
				cmp #S.NODE.FIFO.S.Closed
				beq .99					Remote PS closed the Pipe
				
				ldy #S.NODE.FIFO.hMem
				lda (pDev),y
				jsr K.GetMemPtrA
				>STYA .1+2
				
				ldy #S.NODE.FIFO.Head
				lda (pDev),y
				inc
				dey						#S.NODE.FIFO.Tail	
				cmp (pDev),y
				beq .9					FIFO is full
				iny
				sta (pDev),y
				tay
				lda K.PutC.Char
.1				sta $ffff,y
				clc
				rts
				
.9				lda #MLI.ERR.VOLFULL
				sec
				rts
				
.99				lda #MLI.ERR.EOF
				sec
				rts				
*--------------------------------------
K.PutC.Char		.BS 1
K.PutC.Node		.BS 1			
*/--------------------------------------
* # GetChar
* Get char from StdIn
* ## In:
*  none.
* ## Out: 
*  CC = success
*   A = char
*\--------------------------------------
K.GetChar		ldy #S.PS.hStdIn
				lda	(pPs),y		
*/--------------------------------------
* # GetCA
* Get char from File
* ## In:
*  A = hFILE
* ## Out: 
*  CC = success
*   A = char
*\--------------------------------------
K.GetCA			sta K.PutC.Node

				jsr K.GetMemPtrA
				>STYA pDev
								
				ldy #S.NODE.T
				lda (pDev),y
				asl
				tax
				jmp (.1,x)
				
.1				.DA K.GetC.REG
				.DA K.CHR.IOERR			DIR
				.DA K.GetC.CDEV
				.DA K.CHR.IOERR			BDEV
				.DA K.CHR.IOERR			LNK
				.DA K.CHR.IOERR			DSOCK
				.DA K.GetC.SSOCK
				.DA K.GetC.FIFO
*--------------------------------------
K.GetC.REG		lda K.PutC.Node
				jmp K.FReadA
*--------------------------------------
K.GetC.CDEV		ldx #DEVMGR.READ
				ldy #S.NODE.DEV.JMP
				lda (pDev),y
				sta .1+1
				iny
				lda (pDev),y
				sta .1+2
.1				jmp $ffff
*--------------------------------------
K.GetC.SSOCK	lda (pDev)				#S.NODE.HANDLER
				jsr K.GetMemPtrA
				>STYA .1
				
				ldy #S.NODE.SSOCK.READ
				lda (pDev),y
				tax						Function Offset for READ
				
				ldy #S.NODE.SSOCK.HSKT
				lda (pDev),y
				
.1				jmp $ffff
*--------------------------------------
K.GetC.FIFO
*/--------------------------------------
* # FPutS
* Write String to FILE
* ## In:
*  PUSHW : CPtr 
*  PUSHB : hFILE
* ## Out: 
*  CC = success
*\--------------------------------------
K.FPutS	
*/--------------------------------------
* # PutSYA
* Write String to StdOut
* ## In:
*  Y,A : CPtr 
* ## Out: 
*  CC = success
*\--------------------------------------
K.PutSYA	
*/--------------------------------------
* # FGetS
* Read String From FILE
* ## In:
*  PUSHW : CPtr 
*  PUSHB : hFILE
* ## Out: 
*  CC = success
*\--------------------------------------
K.FGetS
*/--------------------------------------
* # GetSYA
* Read String From StdIn
* ## In:
*  Y,A : CPtr 
* ## Out: 
*  CC = success
*\--------------------------------------
K.GetSYA
				bra *
*--------------------------------------
K.CHR.IOERR		lda #MLI.ERR.IO
				sec
				rts
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.CHR
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM