mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-26 13:49:18 +00:00
332 lines
5.4 KiB
Plaintext
332 lines
5.4 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
*--------------------------------------
|
||
IO.PIPE.SRCBUF .EQ ZPDRV
|
||
IO.PIPE.DSTBUF .EQ ZPDRV+2
|
||
IO.PIPE.CNT .EQ ZPDRV+4
|
||
IO.PIPE.BASEH .EQ ZPDRV+6
|
||
IO.PIPE.BUFH .EQ ZPDRV+7
|
||
IO.PIPE.SIZEH .EQ ZPDRV+8
|
||
*--------------------------------------
|
||
IO.OPEN.PIPE ldy #S.FD.PIPE.S
|
||
lda (pFD),y
|
||
inc
|
||
sta (pFD),y
|
||
|
||
lda IO.hFD
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
IO.CLOSE.PIPE ldy #S.FD.PIPE.S
|
||
|
||
lda (pFD),y
|
||
bmi .1 remote PS closed its end
|
||
|
||
lda #$80
|
||
sta (pFD),y
|
||
clc
|
||
rts
|
||
|
||
.1 jsr IO.CLOSE.NOD
|
||
|
||
ldy #S.FD.PIPE.hMem
|
||
|
||
lda (pFD),y
|
||
beq .2
|
||
|
||
.DO AUXPIPE=1
|
||
ldx #SYS.FreeStkObj
|
||
jsr K.SYSCALL2.AUX
|
||
.ELSE
|
||
jsr K.FreeMem
|
||
.FIN
|
||
|
||
.2 lda IO.hFD
|
||
jmp K.FreeMem
|
||
*--------------------------------------
|
||
* (pStack)+2 count
|
||
* (pStack)+0 buf
|
||
*--------------------------------------
|
||
IO.WRITE.PIPE ldy #S.FD.PIPE.S
|
||
lda (pFD),y
|
||
|
||
bpl .10
|
||
jmp IO.READ.PIPE.EOF Remote PS closed the Pipe
|
||
|
||
.10 ldy #S.FD.PIPE.Free
|
||
lda (pFD),y
|
||
ldy #2
|
||
cmp (pStack),y
|
||
|
||
ldy #S.FD.PIPE.Free+1
|
||
lda (pFD),y
|
||
ldy #3
|
||
sbc (pStack),y
|
||
bcc IO.READ.PIPE.NODATA not enough room in PIPE
|
||
|
||
>PULLW IO.PIPE.SRCBUF
|
||
|
||
ldy #S.FD.PIPE.Head+1
|
||
jsr IO.PIPE.GET.BUF
|
||
|
||
>STYA IO.PIPE.DSTBUF
|
||
|
||
>PULLA get cnt lo
|
||
sta IO.PIPE.CNT
|
||
eor #$ff
|
||
tax
|
||
|
||
>PULLA get cnt hi
|
||
sta IO.PIPE.CNT+1
|
||
eor #$ff
|
||
pha
|
||
|
||
ldy #S.FD.PIPE.Head
|
||
lda (pFD),y
|
||
tay
|
||
|
||
.DO AUXPIPE=1
|
||
sta SETWRITEAUX
|
||
.FIN
|
||
|
||
.1 inx
|
||
bne .2
|
||
|
||
pla
|
||
inc
|
||
beq .8
|
||
|
||
pha
|
||
|
||
.2 lda (IO.PIPE.SRCBUF)
|
||
sta (IO.PIPE.DSTBUF),y
|
||
|
||
inc IO.PIPE.SRCBUF
|
||
bne .4
|
||
|
||
inc IO.PIPE.SRCBUF+1
|
||
|
||
.4 iny
|
||
bne .1
|
||
|
||
lda IO.PIPE.BUFH
|
||
inc
|
||
cmp IO.PIPE.SIZEH
|
||
beq .6
|
||
|
||
sta IO.PIPE.BUFH
|
||
inc IO.PIPE.DSTBUF+1
|
||
bra .1
|
||
|
||
.6 stz IO.PIPE.BUFH
|
||
|
||
lda IO.PIPE.BASEH Pipe Buffer Base
|
||
sta IO.PIPE.DSTBUF+1
|
||
bra .1
|
||
|
||
.8 .DO AUXPIPE=1
|
||
sta CLRWRITEAUX
|
||
.FIN
|
||
|
||
tya
|
||
ldy #S.FD.PIPE.Head
|
||
sta (pFD),y
|
||
iny
|
||
lda IO.PIPE.BUFH
|
||
sta (pFD),y
|
||
|
||
ldy #S.FD.PIPE.Free
|
||
jsr IO.PIPE.SUB.CNT
|
||
|
||
iny #S.FD.PIPE.Used
|
||
|
||
jsr IO.PIPE.ADD.CNT
|
||
jmp IO.READ.PIPE.EXIT
|
||
|
||
IO.READ.PIPE.EOF
|
||
lda #MLI.E.EOF
|
||
.HS 2C BIT ABS
|
||
IO.READ.PIPE.NODATA
|
||
lda #E.NODATA
|
||
sec
|
||
>RET 4
|
||
*--------------------------------------
|
||
IO.READ.PIPE ldy #S.FD.PIPE.Used+1
|
||
|
||
lda (pFD),y Data ?
|
||
dey
|
||
ora (pFD),y
|
||
bne .10 yes...
|
||
|
||
ldy #S.FD.PIPE.S
|
||
lda (pFD),y
|
||
bmi IO.READ.PIPE.EOF Remote PS closed the Pipe
|
||
bpl IO.READ.PIPE.NODATA
|
||
|
||
.10 >PULLW IO.PIPE.DSTBUF get dest buf
|
||
|
||
ldy #S.FD.PIPE.Tail+1
|
||
jsr IO.PIPE.GET.BUF
|
||
|
||
>STYA IO.PIPE.SRCBUF
|
||
|
||
>PULLA get cnt lo
|
||
tax
|
||
ldy #S.FD.PIPE.Used
|
||
cmp (pFD),y
|
||
|
||
>PULLA get cnt hi
|
||
pha
|
||
iny #S.FD.PIPE.Used+1
|
||
sbc (pFD),y
|
||
pla
|
||
bcc .12 cnt < Used
|
||
|
||
dey
|
||
lda (pFD),y
|
||
tax
|
||
iny
|
||
lda (pFD),y X,A = Used
|
||
|
||
.12 stx IO.PIPE.CNT
|
||
sta IO.PIPE.CNT+1
|
||
|
||
eor #$ff
|
||
pha
|
||
|
||
txa
|
||
eor #$ff
|
||
tax
|
||
|
||
ldy #S.FD.PIPE.Tail
|
||
lda (pFD),y
|
||
tay
|
||
|
||
.DO AUXPIPE=1
|
||
sta SETREADAUX
|
||
.FIN
|
||
|
||
.1 inx
|
||
bne .2
|
||
|
||
pla
|
||
inc
|
||
beq .8
|
||
|
||
pha
|
||
|
||
.2 lda (IO.PIPE.SRCBUF),y
|
||
sta (IO.PIPE.DSTBUF)
|
||
|
||
inc IO.PIPE.DSTBUF
|
||
bne .4
|
||
|
||
inc IO.PIPE.DSTBUF+1
|
||
|
||
.4 iny
|
||
bne .1
|
||
|
||
lda IO.PIPE.BUFH
|
||
inc
|
||
cmp IO.PIPE.SIZEH
|
||
beq .6
|
||
|
||
sta IO.PIPE.BUFH
|
||
inc IO.PIPE.SRCBUF+1
|
||
bra .1
|
||
|
||
.6 stz IO.PIPE.BUFH
|
||
|
||
lda IO.PIPE.BASEH
|
||
sta IO.PIPE.SRCBUF+1 Restore Pipe Buf base
|
||
bra .1
|
||
|
||
.8 .DO AUXPIPE=1
|
||
sta CLRREADAUX
|
||
.FIN
|
||
|
||
tya
|
||
ldy #S.FD.PIPE.Tail
|
||
sta (pFD),y
|
||
iny
|
||
lda IO.PIPE.BUFH
|
||
sta (pFD),y
|
||
|
||
ldy #S.FD.PIPE.Free
|
||
jsr IO.PIPE.ADD.CNT
|
||
|
||
iny #S.FD.PIPE.Used
|
||
|
||
jsr IO.PIPE.SUB.CNT
|
||
IO.READ.PIPE.EXIT
|
||
>LDYA IO.PIPE.CNT Y,A = bytes written
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
IO.PIPE.GET.BUF lda (pFD),y
|
||
sta IO.PIPE.BUFH
|
||
|
||
ldy #S.FD.PIPE.Size+1
|
||
lda (pFD),y
|
||
sta IO.PIPE.SIZEH
|
||
|
||
ldy #S.FD.PIPE.hMem
|
||
lda (pFD),y
|
||
|
||
.DO AUXPIPE=1
|
||
ldx #SYS.GetStkObjPtr
|
||
jsr K.SYSCALL2.AUX
|
||
.ELSE
|
||
jsr K.GetMemPtr get src buf
|
||
.FIN
|
||
|
||
sta IO.PIPE.BASEH Pipe Buffer Base
|
||
|
||
* clc
|
||
adc IO.PIPE.BUFH
|
||
rts
|
||
*--------------------------------------
|
||
IO.PIPE.ADD.CNT clc
|
||
lda (pFD),y
|
||
adc IO.PIPE.CNT
|
||
sta (pFD),y
|
||
|
||
iny
|
||
|
||
lda (pFD),y
|
||
adc IO.PIPE.CNT+1
|
||
sta (pFD),y
|
||
rts
|
||
*--------------------------------------
|
||
IO.PIPE.SUB.CNT sec
|
||
lda (pFD),y
|
||
sbc IO.PIPE.CNT
|
||
sta (pFD),y
|
||
|
||
iny
|
||
|
||
lda (pFD),y
|
||
sbc IO.PIPE.CNT+1
|
||
sta (pFD),y
|
||
rts
|
||
*--------------------------------------
|
||
IO.EOF.PIPE clc
|
||
ldy #S.FD.PIPE.Used
|
||
lda (pFD),y
|
||
iny
|
||
ora (pFD),y
|
||
beq .8
|
||
|
||
lda #0
|
||
* clc
|
||
rts
|
||
|
||
.8 lda #$ff
|
||
* clc
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE USR/SRC/SYS/KERNEL.S.PIPE
|
||
LOAD USR/SRC/SYS/KERNEL.S
|
||
ASM
|