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A2osX/SYS/KERNEL.S.STDIO.txt

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NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
*/--------------------------------------
* # FPutC.AY
* Print A (char) to Node
* ## In:
* A : char to print
* Y = hFILE
* ## Out:
* CC = success
*\--------------------------------------
K.FPutC.AY sta K.PutC.Char
sty K.PutC.Node
tya
phy
bne K.PutChar.A.1
K.PutChar.A.8 ply
clc
rts
*/--------------------------------------
* # PutChar.A
* Print A (char) to StdOut
* ## In:
* A : char to print
* ## Out:
* CC = success
*\--------------------------------------
K.PutChar.A sta K.PutC.Char
phy
ldy #S.PS.hStdOut
lda (pPs),y
beq K.PutChar.A.8 NUL
phx
K.PutChar.A.1 sta K.PutC.Node
jsr K.GetMemPtr.A
>STYA pDev
ldy #S.NODE.T
lda (pDev),y
asl
tax
jsr K.PutChar.A.Jmp
plx
ply
rts
*--------------------------------------
K.PutChar.A.Jmp jmp (.1,x)
.1 .DA K.PutChar.A.REG
.DA STDIO.IOERR DIR
.DA K.PutChar.A.CDEV
.DA STDIO.IOERR BDEV
.DA STDIO.IOERR LNK
.DA STDIO.IOERR DSOCK
.DA K.PutChar.A.SSOCK
.DA K.PutChar.A.FIFO
*--------------------------------------
K.PutChar.A.REG lda K.PutC.Node
ldy K.PutC.Char
jmp K.FWrite.AY
*--------------------------------------
K.PutChar.A.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.PutChar.A.SSOCK
lda (pDev) #S.NODE.HANDLER
jsr K.GetMemPtr.A
>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.PutChar.A.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.GetMemPtr.A
>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.E.VOLFULL
.HS 2C bit abs
.99 lda #MLI.E.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
*/--------------------------------------
* # GetC.A
* Get char from Node
* ## In:
* A = hFILE
* ## Out:
* CC = success
* A = char
*\--------------------------------------
K.GetC.A sta K.PutC.Node
jsr K.GetMemPtr.A
>STYA pDev
ldy #S.NODE.T
lda (pDev),y
asl
tax
jmp (.1,x)
.1 .DA K.GetC.REG
.DA STDIO.IOERR DIR
.DA K.GetC.CDEV
.DA STDIO.IOERR BDEV
.DA STDIO.IOERR LNK
.DA STDIO.IOERR DSOCK
.DA K.GetC.SSOCK
.DA K.GetC.FIFO
*--------------------------------------
K.GetC.REG lda K.PutC.Node
jmp K.FRead.A
*--------------------------------------
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.GetMemPtr.A
>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 $ffff
*--------------------------------------
K.GetC.FIFO
*/--------------------------------------
* # FPutS
* Write String to FILE
* ## In:
* PUSHW : CPtr
* PUSHB : hFILE
* ## Out:
* CC = success
*\--------------------------------------
K.FPutS
*/--------------------------------------
* # PutS.YA
* Write String to StdOut
* ## In:
* Y,A : CPtr
* ## Out:
* CC = success
*\--------------------------------------
K.PutS.YA
bra *
*/--------------------------------------
* # FOpen
* Open a file
* ## In :
* PUSHW = AUXTYPE
* PUSHB = TYPE
* PUSHB = MODE
* SYS.FOpen.R : if R and !exists -> ERROR
* SYS.FOpen.W : if W and !exists -> CREATE
* SYS.FOpen.A : Append
* SYS.FOpen.T : Open/Append in Text mode
* SYS.FOpen.X : Create if not exists
* PUSHW = PATH (PSTR)
* ## Out :
* CC : A = hFILE
* CS : A = EC
*\--------------------------------------
K.FOpen jsr PFT.CheckPathSTK
jsr STDIO.PullMLIPath
>PULLB K.FOpen.MODE
>PULLB K.FOpen.TYPE
>PULLW K.FOpen.AUXTYPE
>MLICALL MLIGETFILEINFO
bcc K.FOpen.10 Already Exists
bit K.FOpen.MODE Create if not exists ?
bpl K.FOpen.9 No, return MLI error
lda #S.FI.A.FULL Yes, Create...
sta K.MLI.PARAMS+3 Access
lda K.FOpen.TYPE
sta K.MLI.PARAMS+4 File type
>LDYA K.FOpen.AUXTYPE
>STYA K.MLI.PARAMS+5 Aux type
lda #S.FI.ST.STD
sta K.MLI.PARAMS+7
ldx #3
.1 lda DATELO,x
sta K.MLI.PARAMS+8,x
dex
bpl .1
>MLICALL MLICREATE
bcc K.FOpen.10
K.FOpen.9 rts
K.FOpen.10 >LDYAI S.NODE.REG
jsr K.GetMem0.YA
bcs K.FOpen.9
>STYA ZPPtr1
stx .8+1
jsr STDIO.SetIOBUF
bcs .98
>MLICALL MLIOPEN
bcs .98
lda K.MLI.PARAMS+5 get ref_num
ldy #S.NODE.REG.REF
sta (ZPPtr1),y
sta K.MLI.PARAMS+1 Next MLI Calls are REF_NUM based
lda K.FOpen.MODE
bit #SYS.FOpen.W
beq .20 Write mode ?
and #SYS.FOpen.A Append ?
bne .11 yes, go to end of file
stz K.MLI.PARAMS+2
stz K.MLI.PARAMS+3
stz K.MLI.PARAMS+4
>MLICALL MLISETEOF no, reset size to 0
bcs .98
bra .20
.11 >MLICALL MLIGETEOF
bcs .98
>MLICALL MLISETMARK
bcs .98
.20 lda K.FOpen.MODE
and #SYS.FOpen.T Text Mode ?
beq .30
lda #$FF
sta K.MLI.PARAMS+2
lda #$0D
sta K.MLI.PARAMS+3
>MLICALL MLINEWLINE
.30 ldy #S.NODE.T
lda #S.NODE.T.REG
sta (ZPPtr1),y
.8 lda #$ff Self Modified
clc
rts CC
.98 pha save MLI error
lda .8+1
jsr K.FClose.A.1
pla get back MLI error
sec
rts
*--------------------------------------
K.FOpen.MODE .BS 1
K.FOpen.TYPE .BS 1
K.FOpen.AUXTYPE .BS 2
*/--------------------------------------
* # FClose.A
* Close a file
* ## In :
* A = hFILE
* ## Out :
*\--------------------------------------
K.FClose.A jsr PFT.CheckNodeA
pha
jsr K.GetMemPtr.A
>STYA ZPPtr1
pla
K.FClose.A.1 sta K.FClose.A.2+1
ldy #S.NODE.REG.REF
lda (ZPPtr1),y
beq .1
sta K.MLI.PARAMS+1
>MLICALL MLICLOSE
.1 ldy #S.NODE.REG.IOBUF
lda (ZPPtr1),y
beq K.FClose.A.2
jsr K.FreeMem.A
K.FClose.A.2 lda #$ff Self Modified
jmp K.FreeMem.A
*/--------------------------------------
* # FRead.A
* Read ONE byte (A) from file (Y)
* ## In :
* A = hFILE
* ## Out :
* A = Byte Read
*\--------------------------------------
K.FRead.A jsr PFT.CheckNodeA
ldx #MLIREAD
bra K.FReadWrite.0
*/--------------------------------------
* # FWrite.AY
* Write ONE byte (A) To file (Y)
* ## In:
* A = hFILE
* Y = char
* # Out:
* Y,A = Bytes Written
*\--------------------------------------
K.FWrite.AY jsr PFT.CheckNodeA
sty K.FWrite.AY.Buf
ldx #MLIWRITE
K.FReadWrite.0 jsr STDIO.GetRefNum
>LDYAI K.FWrite.AY.Buf
>STYA K.MLI.PARAMS+2
lda #1
sta K.MLI.PARAMS+4
stz K.MLI.PARAMS+5
lda #4 Param Count = 4 for MLIREAD & MLIWRITE
jsr GP.MLICall
bcs .9
lda K.FWrite.AY.Buf
.9 rts
K.FWrite.AY.Buf .BS 1
*/--------------------------------------
* # FRead
* Read bytes from file
* ## In :
* PUSHW = Dest Ptr
* PUSHW = Bytes To Read
* PUSHB = hFILE
* ## Out :
* Y,A = Bytes Read
*\--------------------------------------
K.FRead jsr PFT.CheckNodeSTK
ldx #MLIREAD
bra K.FReadWrite.1
*/--------------------------------------
* # FWrite
* Write bytes to file
* ## In:
* PUSHW = Src Ptr
* PUSHW = Bytes To Write
* PUSHB = hFILE
* # Out:
* Y,A = Bytes Written
*\--------------------------------------
K.FWrite jsr PFT.CheckNodeSTK
ldx #MLIWRITE
K.FReadWrite.1 >PULLA
jsr STDIO.GetRefNum
>PULLW K.MLI.PARAMS+4
>PULLW K.MLI.PARAMS+2
lda #4 Param Count = 4 for MLIREAD & MLIWRITE
jsr GP.MLICall
bcs .9
>LDYA K.MLI.PARAMS+6
.9 rts
*/--------------------------------------
* # FFlush.A
* ## In:
* A = hFILE
*\--------------------------------------
K.FFlush.A jsr PFT.CheckNodeA
jsr STDIO.GetRefNum
>MLICALL MLIFLUSH
rts
*/-------------------------------------
* # FSeek
* Set the file-position indicator for hFILE
* ## In:
* PUSHW = Ptr to Offset (DWORD)
* PUSHB = From
* PUSHB = hFILE
*\-------------------------------------
K.FSeek jsr PFT.CheckNodeSTK
>PULLA
jsr STDIO.GetRefNum
>PULLA FROM
tax
>PULLW ZPPtr1
cpx #SYS.FSeek.END+1
bcs .98
txa
asl
tax
jmp (.1,x)
.1 .DA .10
.DA .20
.DA .30
* K.FSeek.SET
.10 stz K.MLI.PARAMS+2
stz K.MLI.PARAMS+3
stz K.MLI.PARAMS+4
bra .8
* K.FSeek.CUR
.20 >MLICALL MLIGETMARK
bcc .8
rts
* K.FSeek.END
.30 >MLICALL MLIGETEOF
bcs .9
.8 ldy #0
ldx #3 3 bytes, 24 bits!!!
clc
.81 lda K.MLI.PARAMS+2,y
adc (ZPPtr1),y
sta K.MLI.PARAMS+2,y
iny
dex
bne .81
bcs .99 Offset out of range!
.82 >MLICALL MLISETMARK
bcc .9
cmp #MLI.E.BEYEOF
bne .9
>MLICALL MLISETEOF
bcc .82
.9 rts
.98 lda #K.E.SYN
.HS 2C bit abs
.99 lda #K.E.FTB
sec
rts
*/--------------------------------------
* # FEOF.A
* Test the end-of-file indicator for hFILE
* ## In:
* A = hFILE
* ## Out:
* CC :
* A=0 EOF
* A !=0 NOT EOF
* CS :
*\--------------------------------------
K.FEOF.A jsr PFT.CheckNodeA
jsr STDIO.GetRefNum
>MLICALL MLIGETMARK
bcs .9
ldy #2
.1 lda K.MLI.PARAMS+2,y
sta K.FEOF.A.MARK,y
dey
bpl .1
>MLICALL MLIGETEOF
bcs .9
ldy #2
.2 lda K.MLI.PARAMS+2,y
eor K.FEOF.A.MARK,y
bne .8
dey
bpl .2
.8 clc
.9 rts
K.FEOF.A.MARK .BS 3
*/--------------------------------------
* # FTell
* Return the current value of the file-position indicator
* ## In:
* PUSHW = Ptr to Offset (DWORD)
* PUSHB = hFILE
* ## Out:
* Offset = Offset
*\--------------------------------------
K.FTell jsr PFT.CheckNodeSTK
>PULLA
jsr STDIO.GetRefNum
>PULLW ZPPtr1
>MLICALL MLIGETMARK
bcs .9
ldy #3
lda #0
sta (ZPPtr1),y
dey
.1 lda K.MLI.PARAMS+2,y
sta (ZPPtr1),y
dey
bpl .1
.9 rts
*/--------------------------------------
* # Remove.YA
*\--------------------------------------
K.Remove.YA jsr PFT.CheckPathYA
jsr STDIO.SetMLIPathYA
>MLICALL MLIDESTROY
rts
*/--------------------------------------
* # Rename
* Rename a file
* ## In :
* PUSHW = New Name
* PUSHW = Old Name
* ## Out :
*\--------------------------------------
K.Rename jsr PFT.CheckPathSTK
jsr STDIO.PullMLIPath
>PULLW .1+1
ldy #0
.1 lda $ffff,y Self Modified
beq .8
iny
sta K.Buf256,y
cpy #MLI.MAXPATH
bne .1
.8 sty K.Buf256
>LDYAI K.Buf256
>STYA K.MLI.PARAMS+3
>MLICALL MLIRENAME
rts
*/--------------------------------------
* # SScanF
* Scan a C-String (in progress)
* ## In:
* PUSHW PTR to target buffer
* PUSHW PSTR pattern (ex: "%d.%d.%d.%d")
* %d : byte
* PUSHW PSTR to scan (ex: "192.168.1.5")
* ## Out:
*\--------------------------------------
K.SScanF jsr PullP1P2P3
ldy #0 Y = PTR in pattern
lda (ZPPtr1)
beq .9
tax X = COUNT to scan
inc ZPPtr1
bne .1
inc ZPPtr1+1
.1 txa End Of String?
beq .8
tya
cmp (ZPPtr2) End of pattern?
beq .8
iny
lda (ZPPtr2),y
cmp #'%' Escape?
beq .2
cmp (ZPPtr1) Same char?
bne .9
jsr K.SScanF.IncPtr1
bne .1
clc
rts
.2 tya
cmp (ZPPtr2) unexpected End of pattern after "%" ?
beq .9
iny
lda (ZPPtr2),y
cmp #'d' BYTE ?
bne .3
* stz ASCBUF
.20 lda (ZPPtr1)
jsr STDIO.IsDigit
bcs .21
phx
* inc ASCBUF
* ldx ASCBUF
* sta ASCBUF,x
plx
jsr K.SScanF.IncPtr1
bne .20 end of string ?
.21
* jsr DEC2HEX AToF MIGRATION
bra *
lda HEXBUF
sta (ZPPtr3)
inc ZPPtr3
bne .1
inc ZPPtr3+1
bra .1
.3 cmp #'D' WORD ?
bne .4
bra .1
.4 cmp #'s' STRING ?
bne .9
bra .1
.8 clc
rts
.9 sec
rts
*--------------------------------------
K.SScanF.IncPtr1
dex
beq .1
inc ZPPtr1
bne .1
inc ZPPtr1+1 never Zero
.1 rts
*/--------------------------------------
* # PrintF.YA/SPrintF.YA/FPrintF.YA
* Prints C-Style String
* ## In:
* PrintF.YA :
* Y,A = PTR to CStr
* SPrintF.YA :
* Y,A = PTR to CStr
* PULLW = Ptr to Dst Buffer
* FPrintF.YA :
* Y,A = PTR to CStr
* PULLB = hNode
* ## Out:
* CC : success
* CS : error code from Output
* Specifiers :
* %b : pull 1 byte to Print BIN
* %B : pull 2 bytes to Print BIN
* %d : pull 1 byte unsigned DEC 0..255
* %D : pull 2 bytes unsigned DEC 0..65535
* %u : pull 2 bytes PTR to 4 bytes long unsigned DEC 0..4294967295
* %e : pull 2 bytes PTR to 5 Bytes float (-)1.23456789e+12
* %f : pull 2 bytes PTR to 5 Bytes float (-)3.1415
* %h : pull 1 byte to Print HEX
* %H : pull 2 bytes to Print HEX
* %i : pull 1 byte to Print signed DEC -128..127
* %I : pull 2 bytes to Print signed DEC -32768..32767
* %L : pull 2 bytes PTR to 4 bytes signed DEC -2147483648..2147483647
* %n : pull 1 byte to Print low Nibble HEX
* %N : pull 1 byte to Print high Nibble HEX
* %s : pull 2 bytes ptr to C-Style String
* %S : pull 2 bytes ptr to P-Style String
* \b : Print 'BS' (08)
* \e : Print 'ESC' ($1B,27)
* \f : Print 'FF' ($0C,12)
* \n : Print 'LF' ($0A,10)
* \r : Print 'CR' ($0D,13)
* \\\\ : Print \
* \% : Print %
* Modifiers for len and padding :
* %d : '9' '12'
* %2d : ' 9' '12'
* %02d : '09' '12'
* %11s : 'ABCDEFGH '
* %011s : 'ABCDEFGH000'
* %2f : '3.14'
*\--------------------------------------
K.SPrintF.YA
* >STYA ZPPtr1
* >PULLW Printf.Cout.Ptr+1
K.FPrintF.YA
* >STYA ZPPtr1
K.PrintF.YA >STYA ZPPtr1
ldy #0
.1 lda (ZPPtr1),y
beq .99
iny
cmp #'%'
bne .10
stz PADLEN
lda #' '
sta PADCHAR
.2 ldx #PrintFTBL2-PrintFTBL1-1
lda (ZPPtr1),y
beq .99
iny
.3 cmp PrintFTBL1,x do we have a %x command?
beq .8 yes, jmp to it!
dex
bpl .3 no valid letter...
cmp #'0' ...a 0...mmm... padding char?
bne .4
ldx PADLEN PADLEN is not nul, so this 0 is second digit
bne .5
* lda #'0'
sta PADCHAR no, this is the first 0, so make it PADCHAR
bra .2
.4 jsr STDIO.IsDigit
bcs .99
.5 and #$0F we have a digit
pha save it...
lda PADLEN starts PADLEN * 10
asl
asl A=times 4
adc PADLEN CC by ASL, A=times 5
asl times 10
sta PADLEN
pla get back digit
adc PADLEN
sta PADLEN
bra .2 go get next char...
.8 phy
txa
asl
tax
jsr PrintFESC
ply
bcc .1
rts
.10 cmp #'\'
bne .20
ldx #PrintFTBL2.OUT-PrintFTBL2-1
lda (ZPPtr1),y
beq .99
iny
.12 cmp PrintFTBL2,x
beq .13
dex
bpl .12
bra .1
.13 lda PrintFTBL2.OUT,x
.20 jsr Printf.Cout
bcc .1
.99 rts
*--------------------------------------
PrintFESC jmp (PrintFJMP,x)
*--------------------------------------
PrintFTBL1 .AS "bBdDuefhHiILnNsS"
PrintFTBL2 .AS "befnr\%"
PrintFTBL2.OUT .HS 08.1B.0C.0A.0D \b\e\f\n\r
.DA #'\' \\
.DA #'%' \%
PrintFJMP .DA PrintF.B,PrintF.BB
.DA PrintF.D,PrintF.DD,PrintF.U
.DA PrintF.E,PrintF.F
.DA PrintF.H,PrintF.HH
.DA PrintF.I,PrintF.II,PrintF.L
.DA PrintF.N,PrintF.NN
.DA PrintF.S,PrintF.SS
*--------------------------------------
PrintF.BB >PULLA
pha
jsr PrintF.B
pla
bcc PrintF.B.1
PrintF.BB.RTS rts
*--------------------------------------
PrintF.B >PULLA
PrintF.B.1 ldx #8
.1 asl
pha
lda #'0'
adc #0 add Carry
jsr Printf.Cout
pla
bcs PrintF.BB.RTS
dex
bne .1
rts
*--------------------------------------
PrintF.I sec signed short
.HS 90 BCC
PrintF.D clc unsigned short (BYTE)
ldx #0 one byte
>PULLB HEXBUF
stz HEXBUF+1
bra PrintF.DD.1
PrintF.II sec signed int
.HS 90 BCC
PrintF.DD clc unsigned int (WORD)
ldx #1 two bytes
>PULLW HEXBUF
PrintF.DD.1 stz HEXBUF+2
stz HEXBUF+3
bra PrintF.U.1
PrintF.L sec signed long
.HS 90 BCC
PrintF.U clc unsigned long (DWORD)
ldx #3 4 bytes
>PULLW ZPPtr2
ldy #3
.1 lda (ZPPtr2),y
sta HEXBUF,y
dey
bpl .1
PrintF.U.1 bcc .8 unsigned, nothing to check
lda HEXBUF,x get sign
bpl .8
* sec
ldy #0
.1 lda HEXBUF,y two's complement of X bytes
eor #$ff
adc #0
sta HEXBUF,y
iny
dex
bpl .1
sec tell to print a "-" sign....
.8 jmp HEX2DEC
*--------------------------------------
* EXP(8) 1(s) 1significants(31)
* http://apple2.org.za/gswv/a2zine/GS.WorldView/Resources/GS.TECH.INFO/AppleSoft/
*--------------------------------------
PrintF.E sec Force "E+12"
.HS 90 BCC
PrintF.F clc
>PULLW INDEX
>ROMCALL SETFAC
ldy #3 In order not to trash A2osX.SaveSM,A2osX.SaveSX
>ROMCALL FOUT
ldx #0
.2 lda $102,x
beq .8
phx
jsr Printf.Cout
plx
inx
bne .2
.8 clc
.9 rts
*--------------------------------------
PrintF.HH >PULLA
pha
jsr PrintF.H
pla
bra PrintF.H.1
*--------------------------------------
PrintF.H >PULLA
PrintF.H.1 pha
jsr PrintF.NN.1
pla
bra PrintF.N.1
*--------------------------------------
PrintF.N >PULLA
PrintF.N.1 and #$0F
bra PrintF.NN.2
PrintF.NN >PULLA
PrintF.NN.1 lsr
lsr
lsr
lsr
PrintF.NN.2 ora #$30
cmp #$3A
bcc .1
adc #6
.1 jmp Printf.Cout
*--------------------------------------
PrintF.S ldy #$ff CSTR
.HS 2C bit abs
PrintF.SS ldy #$00 PSTR
>PULLW ZPPtr2
lda (ZPPtr2) if CSTR:last char=0, if PSTR:len=0
beq .8
sty .1+1
.1 lda #$ff Self Modified
bne .11 CSTR
tya PSTR
cmp (ZPPtr2) len check
beq .2
.11 iny
lda (ZPPtr2),y
beq .2
jsr Printf.Cout
bcs .9
lda PADLEN
beq .1
cpy PADLEN
bne .1
clc
rts
.2 lda PADLEN
beq .8
.3 cpy PADLEN
beq .8
lda PADCHAR
jsr Printf.Cout
bcs .9
iny
bne .3
.8 clc
.9 rts
*--------------------------------------
Printf.Cout jmp K.PutChar.A
*Printf.Cout.Ptr sta $ffff Self modified
*--------------------------------------
STDIO.PullMLIPath
>PULLYA
STDIO.SetMLIPathYA
>STYA .1+1
ldy #0
.1 lda $ffff,y Self Modified
beq .8
iny
sta K.MLI.PATH,y
cpy #MLI.MAXPATH
bne .1
.8 sty K.MLI.PATH
>LDYAI K.MLI.PATH
>STYA K.MLI.PARAMS+1
rts
*--------------------------------------
STDIO.SetIOBUF >LDYAI 1024 get a ProDOS IOBUF
ldx #S.MEM.F.ALIGN+S.MEM.F.NOMOVE
jsr MEM.GetMem.YAX
bcs .9
>STYA K.MLI.PARAMS+3 Save Ptr to IOBUF for MLIOPEN call
txa
ldy #S.NODE.REG.IOBUF
sta (ZPPtr1),y
.9 rts
*--------------------------------------
STDIO.GetRefNum jsr K.GetMemPtr.A
>STYA ZPPtr1
ldy #S.NODE.REG.REF
lda (ZPPtr1),y
sta K.MLI.PARAMS+1
rts
*--------------------------------------
STDIO.IOERR lda #MLI.E.IO
sec
rts
*--------------------------------------
STDIO.IsDigit cmp #'0'
bcc .1
cmp #'9'+1
rts
.1 sec
rts
*--------------------------------------
STDIO.AT10
*--------------------------------------
PADLEN .BS 1
PADCHAR .BS 1
*--------------------------------------
*EXP .BS 1
HEXBUF .BS 4
bNeg .BS 1
BCDBUF .BS 5 5, enough to handle 10 digits (32bits)
*--------------------------------------
* Convert HEXBUF to ASCBUF decimal padded with 0
*--------------------------------------
HEX2DEC ror bNeg
ldx #4
.1 stz BCDBUF,x Clear all 5 bytes
dex
bpl .1
sed switch to BCD mode
ldx #32 let's roll 32 bits
.2 asl HEXBUF
rol HEXBUF+1
rol HEXBUF+2
rol HEXBUF+3
ldy #4
.3 lda BCDBUF,y
adc BCDBUF,y
sta BCDBUF,y
dey
bpl .3
dex
bne .2
cld
*--------------------------------------
bit bNeg a -sign to print before digits ?
bpl .9
lda #'-'
jsr Printf.Cout
.9 lda PADLEN any Len format ?
beq .4 no
lda #10
sec yes, Print only digits starting at pos 10-padlen
sbc PADLEN
.4 tax x=0 if no padlen, or x=10-padlen
.5 txa X range 0 to 9
lsr CS if lo nibble (1,3,5,7,9)
tay
lda BCDBUF,y
bcs .6
lsr
lsr
lsr
lsr
.6 and #$0F
ora #$30
cmp #'0' a zero?
beq .7
inc PADLEN found a non zero, Print all digits, even if 0, next time
ldy #'0'
sty PADCHAR
bra .8
.7 cpx #9 last digit ?
beq .8 Print always
ldy PADLEN no pad to fill, do not Print 0
beq .10
lda PADCHAR fill with PADCHAR
.8 jsr Printf.Cout
bcs .99
.10 inx
cpx #10
bne .5
clc
.99 rts
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.STDIO
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM
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