mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-26 13:49:18 +00:00
488 lines
9.6 KiB
Plaintext
488 lines
9.6 KiB
Plaintext
NEW
|
||
PREFIX
|
||
AUTO 4,1
|
||
*/--------------------------------------
|
||
* # open
|
||
* ## C
|
||
* `hFD open(const char *pathname, short int flags);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHB flags`
|
||
* `>LDYA pathname`
|
||
* `>SYSCALL open`
|
||
* ## RETURN VALUE
|
||
* A = hFD
|
||
* REG File created on ProDOS : T=TXT,X=$0000
|
||
*\--------------------------------------
|
||
K.Open.FLAGS .BS 1
|
||
K.Open.TYPE .BS 1
|
||
K.Open.AUXTYPE .BS 2
|
||
IO.hFD .BS 1
|
||
*--------------------------------------
|
||
K.Open jsr PFT.YAToMLIPATH
|
||
>PULLB K.Open.FLAGS
|
||
|
||
lda #S.FI.T.TXT
|
||
sta K.Open.TYPE
|
||
stz K.Open.AUXTYPE
|
||
stz K.Open.AUXTYPE+1
|
||
|
||
IO.Open.I ldx #5 $/DEV/
|
||
cpx K.MLI.PATH
|
||
bcs IO.OPEN.REG
|
||
|
||
.1 lda K.MLI.PATH,x
|
||
cmp IO.DEVDIR,x
|
||
bne IO.OPEN.REG
|
||
dex
|
||
bne .1
|
||
*--------------------------------------
|
||
* /DEV/xxxxxx (CDEV,BDEV,LNK,DSOCK,SSOCK,PIPE)
|
||
*--------------------------------------
|
||
>LDYAI K.MLI.PATH+6 skip $/DEV/
|
||
|
||
jsr K.GetDevByName
|
||
bcc .7
|
||
|
||
ldx #0
|
||
|
||
.10 lda Nod.Table.hPath,x
|
||
beq .6
|
||
jsr K.GetMemPtr
|
||
>STYA ZPPtr1
|
||
|
||
ldy #0
|
||
|
||
.2 lda (ZPPtr1),y
|
||
iny
|
||
cmp K.MLI.PATH,y
|
||
bne .6
|
||
cmp #0 end of string ?
|
||
bne .2
|
||
|
||
lda Nod.Table.hFD,x return hFD
|
||
clc
|
||
rts
|
||
|
||
.6 inx
|
||
cpx #K.NOD.MAX
|
||
bne .10
|
||
|
||
lda #MLI.E.NODEV
|
||
* sec
|
||
rts no OF found
|
||
|
||
.7 >STYA pFD
|
||
phx DEVID
|
||
|
||
lda (pFD) #S.FD.T
|
||
tax
|
||
pla hFILE
|
||
jmp (.8,x)
|
||
|
||
.8 .DA STDIO.IOERR REG
|
||
.DA STDIO.IOERR DIR
|
||
.DA IO.OPEN.CDEV
|
||
.DA IO.OPEN.BDEV
|
||
.DA STDIO.IOERR LNK
|
||
.DA IO.OPEN.DSOCK
|
||
.DA IO.OPEN.SSOCK
|
||
.DA IO.OPEN.PIPE
|
||
IO.OPEN.9 sec
|
||
IO.OPEN.RTS rts
|
||
*--------------------------------------
|
||
IO.OPEN.REG >MLICALL MLIGETFILEINFO
|
||
bcc IO.OPEN.REG.E Already Exists
|
||
|
||
bit K.Open.FLAGS Create if not exists ?
|
||
bpl IO.OPEN.9 No, return MLI error
|
||
|
||
ldx #2 Yes, Create...
|
||
|
||
.1 lda K.Open.TYPE,x
|
||
sta K.MLI.PARAMS+4,x File type,Aux type
|
||
dex
|
||
bpl .1
|
||
|
||
lda #S.FI.ST.STD
|
||
|
||
jsr IO.MLI.CREATE
|
||
bcs IO.OPEN.RTS
|
||
|
||
IO.OPEN.REG.E >LDYAI S.FD.REG
|
||
ldx #S.MEM.F.INIT0+S.MEM.F.FD
|
||
jsr MEM.GetMem.YAX
|
||
bcs IO.OPEN.RTS
|
||
|
||
>STYA pFD
|
||
stx .8+1 save hFD
|
||
|
||
* ldy #S.FD.T Done by GetMem0
|
||
* lda #S.FD.T.REG
|
||
* sta (pFD),y
|
||
|
||
jsr STDIO.SetIOBUF
|
||
bcs .9
|
||
|
||
>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
|
||
|
||
lda K.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
|
||
bcs .9
|
||
|
||
>MLICALL MLISETMARK
|
||
.21 bcs .9
|
||
|
||
.20 lda K.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
|
||
bcs .9
|
||
|
||
.8 lda #$ff SELF MODIFIED
|
||
rts
|
||
|
||
.9 pha Save Error Code
|
||
lda .8+1
|
||
jsr K.Close
|
||
pla
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
IO.OPEN.CDEV
|
||
IO.OPEN.BDEV sta .1+1 A=DEVID
|
||
pha
|
||
jsr K.IOCTL.GetPDrv
|
||
|
||
ldx #IOCTL.OPEN
|
||
pla pass A=DEVID To Driver
|
||
jsr K.IOCTL.pDrvJmp
|
||
bcs .9
|
||
|
||
.1 lda #$ff SELF MODIFIED
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
IO.OPEN.DSOCK
|
||
*--------------------------------------
|
||
IO.OPEN.SSOCK
|
||
*--------------------------------------
|
||
IO.OPEN.PIPE
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
IO.MLI.CREATE sta K.MLI.PARAMS+7 Storage Type
|
||
|
||
ldx #3
|
||
|
||
.1 lda DATELO,x
|
||
sta K.MLI.PARAMS+8,x Create Date/Time
|
||
dex
|
||
bpl .1
|
||
|
||
lda #S.FI.A.FULL
|
||
sta K.MLI.PARAMS+3 Access
|
||
|
||
>MLICALL MLICREATE
|
||
rts
|
||
*/--------------------------------------
|
||
* # close
|
||
* ## C
|
||
* `int close(hFD fd);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `lda fd`
|
||
* `>SYSCALL close`
|
||
*\--------------------------------------
|
||
K.Close sta IO.hFD
|
||
jsr K.GetMemPtr
|
||
>STYA pFD
|
||
|
||
IO.Close.I lda (pFD) #S.FD.T
|
||
tax
|
||
jmp (.1,x)
|
||
|
||
.1 .DA IO.CLOSE.REG
|
||
.DA IO.CLOSE.DIR
|
||
.DA IO.CLOSE.CDEV
|
||
.DA IO.CLOSE.BDEV
|
||
.DA STDIO.IOERR LNK
|
||
.DA IO.CLOSE.DSOCK
|
||
.DA IO.CLOSE.SSOCK
|
||
.DA IO.CLOSE.PIPE
|
||
*--------------------------------------
|
||
IO.CLOSE.REG
|
||
IO.CLOSE.DIR ldy #S.FD.REG.REF
|
||
lda (pFD),y
|
||
beq .1
|
||
sta K.MLI.PARAMS+1
|
||
>MLICALL MLICLOSE
|
||
|
||
.1 ldy #S.FD.REG.IOBUF
|
||
lda (pFD),y
|
||
beq .2
|
||
|
||
jsr K.FreeMem
|
||
|
||
.2 lda IO.hFD
|
||
jmp K.FreeMem
|
||
*--------------------------------------
|
||
IO.CLOSE.CDEV
|
||
IO.CLOSE.BDEV
|
||
*--------------------------------------
|
||
IO.CLOSE.DSOCK
|
||
IO.CLOSE.SSOCK
|
||
*--------------------------------------
|
||
IO.CLOSE.PIPE clc
|
||
rts
|
||
*/--------------------------------------
|
||
* # read
|
||
* ## C
|
||
* `int read(hFD fd, void *buf, int count);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHWI count`
|
||
* `>PUSHW buf`
|
||
* `lda fd`
|
||
* `>SYSCALL read`
|
||
* ## RETURN VALUE
|
||
* CC: Y,A = bytes read
|
||
* CS: A = EC
|
||
*\--------------------------------------
|
||
K.Read sta IO.hFD
|
||
jsr K.GetMemPtr
|
||
>STYA pFD
|
||
|
||
IO.Read.I lda (pFD) #S.FD.T
|
||
tax
|
||
jmp (.1,x)
|
||
|
||
.1 .DA IO.READ.REG
|
||
.DA STDIO.IOERR DIR
|
||
.DA IO.READ.CDEV
|
||
.DA STDIO.IOERR BDEV
|
||
.DA STDIO.IOERR LNK
|
||
.DA STDIO.IOERR DSOCK
|
||
.DA IO.READ.SSOCK
|
||
.DA IO.READ.PIPE
|
||
*/--------------------------------------
|
||
* # write
|
||
* ## C
|
||
* `int write(hFD fd, const void *buf, int count);`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHWI count`
|
||
* `>PUSHW buf`
|
||
* `lda fd`
|
||
* `>SYSCALL write`
|
||
* ## RETURN VALUE
|
||
* CC: Y,A = bytes written
|
||
* CS: A = EC
|
||
*\--------------------------------------
|
||
K.Write sta IO.hFD
|
||
jsr K.GetMemPtr
|
||
>STYA pFD
|
||
|
||
IO.Write.I lda (pFD) #S.FD.T
|
||
tax
|
||
jmp (.1,x)
|
||
|
||
.1 .DA IO.WRITE.REG
|
||
.DA STDIO.IOERR DIR
|
||
.DA IO.WRITE.CDEV
|
||
.DA STDIO.IOERR BDEV
|
||
.DA STDIO.IOERR LNK
|
||
.DA STDIO.IOERR DSOCK
|
||
.DA IO.WRITE.SSOCK
|
||
.DA IO.WRITE.PIPE
|
||
*--------------------------------------
|
||
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
|
||
.9 rts
|
||
*--------------------------------------
|
||
IO.READ.CDEV ldx #IOCTL.READ
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
IO.WRITE.CDEV ldx #IOCTL.WRITE
|
||
|
||
>PULLW K.S.IOCTL+S.IOCTL.BUFPTR
|
||
>PULLW K.S.IOCTL+S.IOCTL.BYTECNT
|
||
|
||
jsr K.IOCTL.GetPDRV
|
||
|
||
>LDYAI K.S.IOCTL
|
||
|
||
.1 jsr K.IOCTL.pDrvJmp
|
||
bcs .9
|
||
>LDYA K.S.IOCTL+S.IOCTL.BYTECNT
|
||
.9 rts
|
||
*--------------------------------------
|
||
IO.WRITE.SSOCK ldy #S.FD.SSOCK.WRITE
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
IO.READ.SSOCK ldy #S.FD.SSOCK.READ
|
||
lda (pFD),y
|
||
tax Function Offset in LIB
|
||
|
||
ldy #S.FD.SSOCK.IOHANDLER
|
||
lda (pFD),y
|
||
jsr K.GetMemPtr
|
||
>STYA .1+1
|
||
|
||
lda IO.hFD
|
||
|
||
.1 jmp $FFFF SELF MODIFIED
|
||
*--------------------------------------
|
||
IO.READ.PIPE >PULLW K.S.IOCTL+S.IOCTL.BUFPTR
|
||
>PULLW K.S.IOCTL+S.IOCTL.BYTECNT
|
||
|
||
ldy #S.FD.PIPE.S
|
||
lda (pFD),y
|
||
bit #S.FD.PIPE.S.WOpened
|
||
beq .9 Remote PS did not opened yet the pipe
|
||
bit #S.FD.PIPE.S.WClosed
|
||
beq .99 Remote PS closed the Pipe
|
||
|
||
ldy #S.FD.PIPE.hMem
|
||
lda (pFD),y
|
||
jsr K.GetMemPtr
|
||
|
||
clc
|
||
rts
|
||
|
||
.9 lda #MLI.E.VOLFULL
|
||
sec
|
||
rts
|
||
.99 lda #MLI.E.EOF
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
IO.WRITE.PIPE >PULLW K.S.IOCTL+S.IOCTL.BUFPTR
|
||
>PULLW K.S.IOCTL+S.IOCTL.BYTECNT
|
||
|
||
ldy #S.FD.PIPE.S
|
||
lda (pFD),y
|
||
bit #S.FD.PIPE.S.ROpened
|
||
beq .9 Remote PS did not opened yet the pipe
|
||
bit #S.FD.PIPE.S.RClosed
|
||
beq .99 Remote PS closed the Pipe
|
||
|
||
ldy #S.FD.PIPE.hMem
|
||
lda (pFD),y
|
||
jsr K.GetMemPtr
|
||
>STYA .1+2
|
||
|
||
ldy #S.FD.PIPE.Head
|
||
lda (pFD),y
|
||
inc
|
||
dey #S.FD.PIPE.Tail
|
||
cmp (pFD),y
|
||
beq .9 PIPE is full
|
||
iny
|
||
sta (pFD),y
|
||
tay
|
||
lda K.IOBuf
|
||
.1 sta $ffff,y
|
||
clc
|
||
rts
|
||
|
||
.9 lda #MLI.E.VOLFULL
|
||
sec
|
||
rts
|
||
.99 lda #MLI.E.EOF
|
||
sec
|
||
rts
|
||
*/--------------------------------------
|
||
* # IOCTL
|
||
* ## C
|
||
* `int ioctl(short int DevID, int request, void * param );`
|
||
* ## ASM
|
||
* `PUSHWI param`
|
||
* `PUSHBI request`
|
||
* `lda hDEV`
|
||
* `>SYSCALL IOCTL`
|
||
* ## RETURN VALUE
|
||
* Y,A = ...
|
||
*\--------------------------------------
|
||
K.IOCTL tax
|
||
lda Dev.Table+1,x
|
||
beq K.IOCTL.9
|
||
|
||
sta pFD+1
|
||
lda Dev.Table,x
|
||
sta pFD
|
||
|
||
jsr K.IOCTL.GetPDrv
|
||
|
||
>PULLA
|
||
tax request
|
||
|
||
>PULLYA param
|
||
|
||
K.IOCTL.pDrvJmp jmp (pDrv)
|
||
|
||
K.IOCTL.9 sec
|
||
lda #MLI.E.NODEV
|
||
>RET 3
|
||
*--------------------------------------
|
||
K.IOCTL.GetPDrv ldy #S.FD.DEV.DRVPTR
|
||
lda (pFD),y
|
||
sta pDRV
|
||
iny
|
||
lda (pFD),y
|
||
sta pDRV+1
|
||
rts
|
||
*/--------------------------------------
|
||
* # pipe
|
||
* ## C
|
||
* `int pipe(int pipefd[2]);`
|
||
* ## ASM
|
||
*\--------------------------------------
|
||
K.Pipe
|
||
.9 sec
|
||
rts
|
||
*--------------------------------------
|
||
IO.DEVDIR >PSTR "/DEV/"
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE USR/SRC/SYS/KERNEL.S.IO
|
||
LOAD USR/SRC/SYS/KERNEL.S
|
||
ASM
|