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A2osX/SYS/KERNEL.S.STDIO.txt

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Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-23 15:05:29 +00:00
PR#3
PREFIX /A2OSX.BUILD
LOMEM $A00
INC 1
AUTO 6
*/--------------------------------------
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
* # FOpen
* Open a file
* ## In :
* PUSHW = AUXTYPE
* PUSHB = TYPE
* PUSHB = MODE
* SYS.FOpen.R : if R and !exists -> ERROR
* SYS.FOpen.W : if W and !exists -> CREATE
* SYS.FOpen.A : Append
* SYS.FOpen.T : Open/Append in Text mode
* SYS.FOpen.X : Create if not exists
* PUSHW = PATH (PSTR)
* ## Out :
* CC : A = hFILE
* CS : A = EC
*\--------------------------------------
K.FOpen jsr PFT.CheckPathSTK
jsr STDIO.PullMLIPath
>PULLB K.FOpen.MODE
>PULLB K.FOpen.TYPE
>PULLW K.FOpen.AUXTYPE
>MLICALL MLIGETFILEINFO
bcc K.FOpen.10 Already Exists
bit K.FOpen.MODE Create if not exists ?
bpl K.FOpen.9 No, return MLI error
lda #S.FILEINFO.ACCESS.FULL Yes, Create...
sta K.MLI.PARAMS+3 Access
lda K.FOpen.TYPE
sta K.MLI.PARAMS+4 File type
>LDYA K.FOpen.AUXTYPE
>STYA K.MLI.PARAMS+5 Aux type
lda #S.FILEINFO.STORETYPE.STD
sta K.MLI.PARAMS+7
ldx #3
.1 lda DATELO,x
sta K.MLI.PARAMS+8,x
dex
bpl .1
>MLICALL MLICREATE
bcc K.FOpen.10
K.FOpen.9 rts
K.FOpen.10 >LDYAI S.NODE.REG
jsr K.GetMem0YA
bcs K.FOpen.9
>STYA ZPPtr1
stx hFILE
jsr STDIO.SetIOBUF
bcs .98
>MLICALL MLIOPEN
bcs .98
lda K.MLI.PARAMS+5 get ref_num
ldy #S.NODE.REG.REF
sta (ZPPtr1),y
sta K.MLI.PARAMS+1 Next MLI Calls are REF_NUM based
lda K.FOpen.MODE
bit #SYS.FOpen.W
beq .20 Write mode ?
and #SYS.FOpen.A Append ?
bne .11 yes, go to end of file
stz K.MLI.PARAMS+2
stz K.MLI.PARAMS+3
stz K.MLI.PARAMS+4
>MLICALL MLISETEOF no, reset size to 0
bcs .98
bra .20
.11 >MLICALL MLIGETEOF
bcs .98
>MLICALL MLISETMARK
bcs .98
.20 lda K.FOpen.MODE
and #SYS.FOpen.T Text Mode ?
beq .30
lda #$FF
sta K.MLI.PARAMS+2
lda #$0D
sta K.MLI.PARAMS+3
>MLICALL MLINEWLINE
.30 ldy #S.NODE.T
lda #S.NODE.T.REG
sta (ZPPtr1),y
lda hFILE
clc
rts CC
.98 pha save MLI error
lda hFILE
jsr K.FCloseA.1
pla get back MLI error
sec
rts
*--------------------------------------
K.FOpen.MODE .BS 1
K.FOpen.TYPE .BS 1
K.FOpen.AUXTYPE .BS 2
hFILE .BS 1
*/--------------------------------------
* # FCloseA
* Close a file
* ## In :
* A = hFILE
* ## Out :
*\--------------------------------------
K.FCloseA jsr PFT.CheckNodeA
pha
jsr K.GetMemPtrA
>STYA ZPPtr1
pla
K.FCloseA.1 sta K.FCloseA.2+1
ldy #S.NODE.REG.REF
lda (ZPPtr1),y
beq .1
sta K.MLI.PARAMS+1
>MLICALL MLICLOSE
.1 ldy #S.NODE.REG.IOBUF
lda (ZPPtr1),y
beq K.FCloseA.2
jsr K.FreeMemA
K.FCloseA.2 lda #$ff Self Modified
jmp K.FreeMemA
*/--------------------------------------
* # FReadA
* Read ONE byte from file
* ## In :
* A = hFILE
* ## Out :
* A = Byte Read
*\--------------------------------------
K.FReadA jsr PFT.CheckNodeA
ldx #MLIREAD
bra K.FReadWrite.0
*/--------------------------------------
* # FWriteAY
* ## In:
* A = hFILE
* Y = char
* # Out:
* Y,A = Bytes Written
*\--------------------------------------
K.FWriteAY jsr PFT.CheckNodeA
sty K.FWriteAY.Buf
ldx #MLIWRITE
K.FReadWrite.0 jsr STDIO.GetRefNum
>LDYAI K.FWriteAY.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 A2osX.MLICALL
bcs .9
lda K.FWriteAY.Buf
.9 rts
K.FWriteAY.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
* ## 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 A2osX.MLICALL
bcs .9
>LDYA K.MLI.PARAMS+6
.9 rts
*/--------------------------------------
* # FFlushA
* ## In:
* A = hFILE
*\--------------------------------------
K.FFlushA jsr PFT.CheckNodeA
jsr STDIO.GetRefNum
>MLICALL MLIFLUSH
rts
*/-------------------------------------
* # FSeek
* ## In:
* PUSHW = OffsetHi
* PUSHW = OffsetLo
* PUSHB = From
* PUSHB = hFILE
*\-------------------------------------
K.FSeek jsr PFT.CheckNodeSTK
>PULLA
jsr STDIO.GetRefNum
>PULLA FROM
tax
>PULLW K.FSeek.OFFSET
>PULLW K.FSeek.OFFSET+2
cpx #SYS.FSeek.SET
bne .1
stz K.MLI.PARAMS+2
stz K.MLI.PARAMS+3
stz K.MLI.PARAMS+4
bra .8
.1 cpx #SYS.FSeek.CUR
bne .2
>MLICALL MLIGETMARK
bcc .8
rts
.2 cpx #SYS.FSeek.END
bne .98
>MLICALL MLIGETEOF
bcs .9
.8 ldx #0
ldy #3
clc
.81 lda K.MLI.PARAMS+2,x
adc K.FSeek.OFFSET,x
sta K.MLI.PARAMS+2,x
inx
dey
bne .81
bcs .99 Offset out of range!
>MLICALL MLISETMARK
.9 rts
.98 lda #SYSMGR.ERRSYN
.HS 2C bit abs
.99 lda #SYSMGR.ERRFTB
sec
rts
*--------------------------------------
K.FSeek.OFFSET .BS 4
*/--------------------------------------
* # FTellA
* ## In:
* A = hFILE
* ## Out:
* Y,A,X = Offset
*\--------------------------------------
K.FTellA jsr PFT.CheckNodeA
K.FTellA.1 jsr STDIO.GetRefNum
>MLICALL MLIGETMARK
bcs .9
>LDYA K.MLI.PARAMS+2
ldx K.MLI.PARAMS+4
.9 rts
*/--------------------------------------
* # FEOFA
* ## In:
* A = hFILE
* ## Out:
* CC :
* A=0 EOF
* A !=0 NOT EOF
* CS :
*\--------------------------------------
K.FEOFA jsr PFT.CheckNodeA
jsr STDIO.GetRefNum
jsr K.FTellA.1
bcs .9
>STYA K.FEOFA.MARK
stx K.FEOFA.MARK+2
>MLICALL MLIGETEOF
bcs .9
sec
lda K.MLI.PARAMS+2
sbc K.FEOFA.MARK
bne .8
lda K.MLI.PARAMS+3
sbc K.FEOFA.MARK+1
bne .8
lda K.MLI.PARAMS+4
sbc K.FEOFA.MARK+2
.8 clc
.9 rts
K.FEOFA.MARK .BS 3
*/--------------------------------------
* # RemoveYA
*\--------------------------------------
K.RemoveYA jsr PFT.CheckPathYA
jsr STDIO.PullMLIPath
>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
*--------------------------------------
STDIO.PullMLIPath
>PULLW .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 >PUSHWI 1024 get a ProDOS IOBUF
>PUSHBI S.MEM.F.ALIGN+S.MEM.F.NOMOVE
jsr K.GetMem
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.GetMemPtrA
>STYA ZPPtr1
ldy #S.NODE.REG.REF
lda (ZPPtr1),y
sta K.MLI.PARAMS+1
rts
*/--------------------------------------
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-23 15:05:29 +00:00
* # 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
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
*/--------------------------------------
* # SScanF
* Scan a PStr (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 PullPtr1Ptr2Ptr3
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 K.SScanF.IsDigit
bcs .21
phx
inc ASCBUF
ldx ASCBUF
sta ASCBUF,x
plx
jsr K.SScanF.IncPtr1
bne .20 end of string ?
.21 jsr DEC2HEX
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
*--------------------------------------
K.SScanF.IsDigit
cmp #'0'
bcc .1
cmp #'9'+1
bcs .1
rts
.1 sec
rts
*/--------------------------------------
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
* # PrintF.YA/SPrintF.YA/FPrintF.YA
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
* Prints C-Style String
* ## In:
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
* PrintF.YA :
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
* Y,A = PTR to CStr
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
* SPrintF.YA :
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
* Y,A = PTR to CStr
* PULLW = Ptr to Dst Buffer
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
* FPrintF.YA :
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
* Y,A = PTR to CStr
* PULLB = hNode
* ## Out:
* CC : success
* CS : error code from Output
* Specifiers :
* %a : pull 2 bytes to Print Access right String 'drwxrwxrwx'
* %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 6 Bytes Real +1.23456789e+12
* %f : pull 2 bytes PTR to 6 Bytes Real 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'
*\--------------------------------------
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
K.SPrintF.YA >STYA ZPPtr1
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
>PULLW Printf.Cout.Ptr+1
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
K.FPrintF.YA >STYA ZPPtr1
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 12:46:48 +00:00
K.PrintF.YA >STYA ZPPtr1
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-24 06:47:31 +00:00
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 bcc .99 less than '0'....error
cmp #'9'+1
bcs .99 more than '9' ....error
.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 "abBdDuefhHiILnNsS"
PrintFTBL2 .AS "befnr\%"
PrintFTBL2.OUT .HS 08.1B.0C.0A.0D \b\e\f\n\r
.DA #'\' \\
.DA #'%' \%
PrintFJMP .DA PrintF.A
.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.A >PULLW HEXBUF
lda HEXBUF+1
lsr
lsr
lsr
lsr
tax
lda TYPES,x
jsr Printf.Cout
bcs .9
ldx #0
.1 lda #'-'
lsr HEXBUF
bcc .2
lda ACCESS,x
.2 jsr Printf.Cout
bcs .9
inx
cpx #8
bne .1
.3 lda #'-'
lsr HEXBUF+1
bcc .4
lda ACCESS,x
.4 jmp Printf.Cout
.9 rts
*--------------------------------------
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.D >PULLB HEXBUF
stz HEXBUF+1
bra PrintF.DD.1
PrintF.DD >PULLW HEXBUF
PrintF.DD.1 stz HEXBUF+2
stz HEXBUF+3
bra PrintF.U.1
PrintF.U >PULLW ZPPtr2
ldy #3
.1 lda (ZPPtr2),y
sta HEXBUF,y
dey
bpl .1
PrintF.U.1 stz SIGN
jsr HEX2DEC
jmp PrintDEC
*--------------------------------------
PrintF.E >PULLW ZPPtr2
rts
*--------------------------------------
PrintF.F >PULLW ZPPtr2
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
jmp PrintF.N.1
*--------------------------------------
PrintF.I >PULLB HEXBUF
eor #$ff if positive, it becomes neg so branch if....minus!
clc
bmi .1
sec
inc 2s complement...
sta HEXBUF
.1 stz HEXBUF+1
bra PrintF.II.1
PrintF.II >PULLW HEXBUF A=HI
eor #$ff
clc
bmi PrintF.II.1
sec
tax
lda HEXBUF
eor #$ff
inc 2s complement...
sta HEXBUF
bne .1
inx
.1 sta HEXBUF
stx HEXBUF+1
PrintF.II.1 stz HEXBUF+2
stz HEXBUF+3
bra PrintF.L.1
PrintF.L >PULLW ZPPtr2
ldy #3
.1 lda (ZPPtr2),y
sta HEXBUF,y
dey
bpl .1
PrintF.L.1 ror SIGN
jsr HEX2DEC
*--------------------------------------
PRINTDEC lda PADLEN any Len format ?
beq .1 no
lda #10
sec yes, Print only digits starting at pos 10-padlen
sbc PADLEN
.1 tax x=0 if no padlen, or x=10-padlen
.2 lda ASCBUF,x
cmp #'0' a zero?
beq .3
inc PADLEN found a non zero, Print all digits, even if 0, next time
ldy #'0'
sty PADCHAR
bra .4
.3 cpx #9 last digit ?
beq .4 Print always
ldy PADLEN no pad to fill, do not Print 0
beq .6
lda PADCHAR fill with PADCHAR
.4 bit SIGN a sign to print before digits ?
bpl .5
pha yes, save whatever we have to print....
lda #'-'
jsr Printf.Cout
stz SIGN reset flag for next char...
pla
.5 jsr Printf.Cout
bcs .9
.6 inx
cpx #10
bne .2
clc
.9 rts
*--------------------------------------
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 lda PADCHAR
jsr Printf.Cout
bcs .9
iny
cpy PADLEN
bne .3
.8 clc
.9 rts
*--------------------------------------
Printf.Cout jmp K.PutCharA
Printf.Cout.Ptr sta $ffff Self modified
*--------------------------------------
Kernel 0.9.1 : Code reorganization & move to CSTR
2017-08-23 15:05:29 +00:00
MAN
SAVE /A2OSX.SRC/SYS/KERNEL.S.STDIO
LOAD /A2OSX.SRC/SYS/KERNEL.S
ASM
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