mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-04 19:05:42 +00:00
734 lines
14 KiB
Plaintext
734 lines
14 KiB
Plaintext
NEW
|
||
AUTO 3,1
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*/--------------------------------------
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||
* # PrintF (BLOCKING)
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* # FPrintF (BLOCKING)
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* # SPrintF
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* Prints C-Style String
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* ## C
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* `int printf ( const char *format, ... );`
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* `int fprintf ( short int stream, const char *format, ... );`
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* `int sprintf ( char *str, const char *format, ... );`
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* ## ASM
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* **In:**
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* PrintF : (example is for printing Y,A as integer : format="%I", 2 bytes)
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* `>PUSHW format`
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* `>PUSHW i`
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* `...`
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* `>PUSHBI 2` #bytecount
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* `>SYSCALL PrintF`
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* FPrintF :
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* `>PUSHB hFILE`
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* `>PUSHW format`
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* `>PUSHW i`
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* `...`
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* `>PUSHBI 2` #bytecount
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* `>SYSCALL fprintf`
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* SPrintF :
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* `>PUSHW str`
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* `>PUSHW format`
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* `>PUSHW i`
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* `...`
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* `>PUSHBI 2` #bytecount
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* `>SYSCALL sprintf`
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* ## RETURN VALUE
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* CC : success, Y,A = bytes sent
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* CS : error, A = code from Output
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* Specifiers :
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* + %b : pull 1 byte to Print BIN
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* + %d : pull 1 byte unsigned DEC 0..255
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* + %D : pull 2 bytes unsigned DEC 0..65535
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* + %u : pull 4 bytes long unsigned DEC 0..4294967295
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* + %e : pull 5 Bytes float (-)1.23456789e+12
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* + %f : pull 5 Bytes float (-)3.1415
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* + %h : pull 1 byte to Print HEX
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* + %H : pull 2 bytes to Print HEX
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* + %i : pull 1 byte to Print signed DEC -128..127
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* + %I : pull 2 bytes to Print signed DEC -32768..32767
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* + %L : pull 4 bytes signed DEC -2147483648..2147483647
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* + %s : pull 2 bytes ptr to C-Style String
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* + %S : pull 2 bytes ptr to P-Style String
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||
* + \b : Print 'BS' (08)
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* + \e : Print 'ESC' ($1B,27)
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* + \f : Print 'FF' ($0C,12)
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* + \n : Print 'LF' ($0A,10)
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* + \r : Print 'CR' ($0D,13)
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* + \t : Print 'TAB' ($09,09)
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* + \v : Print 'VT' ($0B,11)
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* + \xHH : Print byte with hexadecimal value HH (1 to 2 digits)
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* + \\\\ : Print \
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* + \\% : Print %
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* Modifiers for len and padding :
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* + %d : '9' '12'
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* + %2d : ' 9' '12'
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* + %02d : '09' '12'
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* + %11s : 'ABCDEFGH '
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* + %011s : 'ABCDEFGH000'
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* + %2f : '3.14'
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*\--------------------------------------
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.DUMMY ZPTMP+5,5 Used by : STDIO2
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.OR ZPTMP+5 5 Bytes
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PrintF.Cnt .BS 2
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PrintF.hFILE .BS 1
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STDIO.StackBytePtr .BS 1
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STDIO.ExitPopCnt .BS 1
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.ED
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*--------------------------------------
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K.PrintF.PadL .EQ FAC+5
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K.PrintF.PadC .EQ ARG.SIGN
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*--------------------------------------
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K.PrintF ldy #S.PS.hStdOut
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lda (pPS),y
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sta PrintF.hFILE
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ldx #1
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.HS 2C BIT ABS
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*--------------------------------------
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K.FPrintf ldx #2
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.HS 2C BIT ABS
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*--------------------------------------
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K.SPrintf ldx #3
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*--------------------------------------
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K.PrintF.1 sec format string->ptr2
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jsr STDIO.GetParams
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stx pIOBuf
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sta pIOBuf+1 Output buffer->pIOBuf
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sty STDIO.ExitPopCnt Total bytes to POP
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.1 jsr SHARED.GetCharPtr2
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bne .22
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jmp .8 end of format..
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.22 cmp #'%'
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bne .10
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stz K.PrintF.PadL
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stz K.PrintF.PadC
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lda (ZPPtr2)
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beq .7 end of format... print % and exit
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jsr ZP.IsDigit
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bcs .6 no digit....go check specifier
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cmp #'0' ...a 0...mmm... padding char?
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bne .4
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sta K.PrintF.PadC
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jsr SHARED.NextCharPtr2 skip 0 ...
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lda (ZPPtr2)
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beq .7
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jsr ZP.IsDigit
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bcs .6 %0x ??????
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.4 jsr MATH32.Dec2ACC32
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bcs .99
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lda ACC32
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sta K.PrintF.PadL
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lda K.PrintF.PadC
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bne .5
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lda #C.SPACE
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sta K.PrintF.PadC
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.5 jsr SHARED.AddYToPtr2 skip all processed chars
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lda (ZPPtr2)
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beq .7
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.6 ldx #PrintFTBL1.Cnt-1 do we have a %x command?
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.61 cmp PrintFTBL1,x
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beq .62
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dex
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bpl .61
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bra .20 unknown ...
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.62 jsr SHARED.NextCharPtr2
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txa yes, jmp to it!
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asl
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tax
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jsr PrintF.ESC
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.11 bcc .1
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bra .99
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.7 lda #'%'
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bra .20
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*--------------------------------------
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.10 cmp #'\'
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bne .20
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jsr SHARED.GetCharPtr2
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beq .99
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ldx #PrintFTBL2.Cnt-1
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.12 cmp PrintFTBL2,x
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beq .19
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dex
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bpl .12
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cmp #'x' \xHH
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bne .1
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jsr MATH32.Hex2ACC32
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bcs .99
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jsr SHARED.AddYToPtr2
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.14 lda ACC32
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bra .20
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.19 lda PrintFTBL2.OUT,x
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.20 jsr PrintF.PutC
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bcc .11
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*--------------------------------------
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.99 lda #E.BADARG
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sec
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jmp STDIO.Exit
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*--------------------------------------
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.8 ldx PrintF.hFILE
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beq .80 Writing to buffer, append \0
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>PUSHW PrintF.Cnt Writing to File/dev...
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>PUSHWI K.IOBuf
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txa
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jsr K.FWrite
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bcc .81
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tay
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bne .9
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>RET 4 0=BLOCKING
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.80 ldy PrintF.Cnt A=0, Writing to buffer, append \0
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sta (pIOBuf),y
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clc
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.81 >LDYA PrintF.Cnt
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* clc
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.9 jmp STDIO.Exit
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*--------------------------------------
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PrintFTBL1 .AS "bdDuefhHiILsS"
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PrintFTBL1.Cnt .EQ *-PrintFTBL1
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PrintFTBL2 .AS "abefnrtv\%"
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PrintFTBL2.Cnt .EQ *-PrintFTBL2
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PrintFTBL2.OUT .HS 07.08.1B.0C.0A.0D.09.0B \a\b\e\f\n\r\t\v
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.DA #'\' \\
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.DA #'%' \%
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*--------------------------------------
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PrintF.ESC jmp (.1,x)
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.1 .DA PrintF.B
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.DA PrintF.D,PrintF.DD,PrintF.U
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.DA PrintF.E,PrintF.F
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.DA PrintF.H,PrintF.HH
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.DA PrintF.I,PrintF.II,PrintF.L
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.DA PrintF.S,PrintF.SS
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*--------------------------------------
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PrintF.B jsr STDIO.GetStackByte
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bcs PrintF.B.RTS
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ldy #8
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.1 asl
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pha
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lda #'0'/2
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rol
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jsr PrintF.PutC
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bcs .9
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pla
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dey
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bne .1
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rts
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.9 ply
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PrintF.B.RTS
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rts
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*--------------------------------------
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PrintF.I sec signed short
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.HS 90 BCC
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PrintF.D clc unsigned short (BYTE)
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ldy #1
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bra PrintF.NUM
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PrintF.II sec signed int
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.HS 90 BCC
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PrintF.DD clc unsigned int (WORD)
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ldy #2
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bra PrintF.NUM
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PrintF.L sec signed long
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.HS 90 BCC
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PrintF.U clc unsigned long (DWORD)
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ldy #4
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PrintF.NUM sty .2+1
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ror ACC32.Sign save signed/unsigned flag
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jsr MATH32.ACC32ZERO
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.1 jsr STDIO.GetStackByte
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bcs PrintF.B.RTS
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sta ACC32-1,y PULL 4,2 or 1
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dey
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bne .1
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bit ACC32.Sign
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bpl .4
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.2 ldy #$ff SELF MODIFIED
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lda ACC32-1,y Get highest Byte
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bpl .4 positive....
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lda #$ff
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.3 cpy #4
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beq .4
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iny
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sta ACC32-1,y
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bra .3
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.4 ldx K.PrintF.PadL
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ldy K.PrintF.PadC
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rol ACC32.Sign get back signed/unsigned flag
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jsr MATH32.ACC322STR10
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bra PrintF.StrNum
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*--------------------------------------
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* EXP(8) 1(s) 1significants(31)
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* http://apple2.org.za/gswv/a2zine/GS.WorldView/Resources/GS.TECH.INFO/AppleSoft/
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*--------------------------------------
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PrintF.E sec Force "E+12"
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.HS 90 BCC
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PrintF.F clc
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lda (pStack) get current stack Ptr
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sec at least 5 bytes remaining ?
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sbc #5
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bcc PrintF.StrNum.Err
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sta (pStack)
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* sec
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adc pStack
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ldy pStack+1 A,Y = float
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ldx #FPU.SETFAC
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jsr GP.ROMCALL
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ldy #A2osX.NumStrBuf+1 FOUT.1 will do a DEY
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ldx #FPU.FOUT
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jsr GP.ROMCALL
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PrintF.StrNum ldy #0
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.2 lda A2osX.NumStrBuf,y
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beq .8
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iny
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jsr PrintF.PutC
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bcc .2
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.9 rts
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.8 clc
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rts
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PrintF.StrNum.Err
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lda #E.STACK
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sec
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rts
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*--------------------------------------
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PrintF.S ldy #$ff CSTR
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.HS 2C bit abs
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PrintF.SS ldy #$00 PSTR
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sty .1+1
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jsr STDIO.GetStackByte
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bcs .9
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sta ZPPtr1+1
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jsr STDIO.GetStackByte
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bcs .9
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||
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sta ZPPtr1
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lda (ZPPtr1) if CSTR:last char=0, if PSTR:len=0
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beq .8
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ldy .1+1
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.1 lda #$ff Self Modified
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bne .11 CSTR
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tya PSTR
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cmp (ZPPtr1) len check
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beq .2
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.11 iny
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lda (ZPPtr1),y
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beq .2
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jsr PrintF.PutC
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bcs .9
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lda K.PrintF.PadL
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beq .1
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cpy K.PrintF.PadL
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bne .1
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.8 clc
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rts
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.2 lda K.PrintF.PadL
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beq .8
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.3 cpy K.PrintF.PadL
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beq .8
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lda K.PrintF.PadC
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jsr PrintF.PutC
|
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bcs .9
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iny
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bne .3
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* clc
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.9 rts
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*--------------------------------------
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PrintF.HH jsr STDIO.GetStackByte
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bcs PrintF.PutC.RTS
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pha LO byte
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jsr STDIO.GetStackByte
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plx
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bcs PrintF.PutC.RTS
|
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pha
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txa
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jsr PrintF.H.1
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plx
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bcs PrintF.PutC.RTS
|
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txa
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bra PrintF.H.1
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*--------------------------------------
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PrintF.H jsr STDIO.GetStackByte
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bcs PrintF.PutC.RTS
|
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PrintF.H.1 jsr MATH32.AToHexAX
|
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jsr PrintF.PutC
|
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bcs PrintF.PutC.RTS
|
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txa
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*--------------------------------------
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||
PrintF.PutC phy
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ldy PrintF.Cnt
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sta (pIOBuf),y
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ply
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inc PrintF.Cnt
|
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bne .8
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lda PrintF.hFILE
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bne .9
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inc pIOBuf+1
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inc PrintF.Cnt+1
|
||
.8 clc
|
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rts
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|
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.9 lda #E.BUF
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sec
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||
PrintF.PutC.RTS rts
|
||
*/--------------------------------------
|
||
* # ScanF (BLOCKING)
|
||
* # FScanF (BLOCKING)
|
||
* # SScanF
|
||
* Read formatted data from string
|
||
* ## C
|
||
* `int scanf( const char *format, ... );`
|
||
* `int fscanf( short int stream, const char *format, ... );`
|
||
* `int sscanf ( const char *s, const char *format, ... );`
|
||
* ## ASM
|
||
* **In:**
|
||
* ScanF :
|
||
* `>PUSHW format`
|
||
* `>PUSHW ptr`
|
||
* `...`
|
||
* `>PUSHB bytecount`
|
||
* `>SYSCALL scanf`
|
||
* FScanF :
|
||
* `>PUSHB stream`
|
||
* `>PUSHW format`
|
||
* `>PUSHW ptr`
|
||
* `...`
|
||
* `>PUSHB bytecount`
|
||
* `>SYSCALL fscanf`
|
||
* SScanF :
|
||
* `>PUSHW s`
|
||
* `>PUSHW format`
|
||
* `>PUSHW ptr`
|
||
* `...`
|
||
* `>PUSHB bytecount`
|
||
* `>SYSCALL sscanf`
|
||
* Specifiers :
|
||
* + %i : short int
|
||
* + %d : byte
|
||
* + %I : int
|
||
* + %D : word
|
||
* + %L : long int
|
||
* + %U : dword
|
||
* + %h : HEX byte
|
||
* + %H : HEX word
|
||
* + %s : string
|
||
* TODO : %10s
|
||
* ## RETURN VALUE
|
||
* A = Number of arguments filled.
|
||
*\--------------------------------------
|
||
K.ScanF ldy #S.PS.hStdIn
|
||
lda (pPS),y
|
||
sta PrintF.hFILE
|
||
|
||
ldx #1
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
K.FScanF ldx #2
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
K.SScanF ldx #3
|
||
*--------------------------------------
|
||
K.SScanF.1 clc format string->ptr1
|
||
jsr STDIO.GetParams
|
||
|
||
stx ZPPtr2
|
||
sta ZPPtr2+1 Output buffer->ZPPtr2
|
||
|
||
sty STDIO.ExitPopCnt Total bytes to POP
|
||
|
||
ldx PrintF.hFILE
|
||
beq .1
|
||
|
||
>PUSHWI 256
|
||
>PUSHW pIOBuf
|
||
txa
|
||
jsr K.FGetS
|
||
bcc .1
|
||
|
||
tax
|
||
bne PrintF.PutC.RTS
|
||
>RET 4
|
||
|
||
.1 jsr SHARED.GetCharPtr1 End Of format?
|
||
beq .8
|
||
|
||
cmp #'%' Escape ?
|
||
beq .2
|
||
|
||
cmp #C.SPACE Space ?
|
||
beq .12
|
||
|
||
sta .11+1
|
||
|
||
jsr SHARED.GetCharPtr2
|
||
beq .9
|
||
|
||
.11 cmp #$ff Same char in string?
|
||
beq .1
|
||
|
||
bra .9
|
||
|
||
.12 jsr SHARED.GetCharPtr2
|
||
beq .9
|
||
cmp #C.SPACE
|
||
bne .9
|
||
|
||
.13 jsr SHARED.GetCharPtr2
|
||
cmp #C.SPACE another space ?
|
||
beq .13
|
||
|
||
bra .1
|
||
|
||
.2 jsr SHARED.GetCharPtr1 Get specifier after %
|
||
beq .9 unexpected End of format after "%" ?
|
||
|
||
ldx #K.SScanFJMP-K.SScanFTBL-2
|
||
|
||
.3 cmp K.SScanFTBL,x
|
||
beq .4
|
||
dex
|
||
dex
|
||
bpl .3
|
||
|
||
.9 lda #MLI.E.EOF
|
||
sec
|
||
jmp STDIO.Exit
|
||
|
||
.4 jsr STDIO.GetStackByte
|
||
bcs .9
|
||
sta ZPPtr3+1
|
||
jsr STDIO.GetStackByte
|
||
bcs .9
|
||
sta ZPPtr3
|
||
|
||
jsr .5
|
||
bcs .9 out of Ptr on stack
|
||
|
||
inc .8+1 parsed one more arg!
|
||
bra .1
|
||
|
||
.8 lda #$ff SELF MODIFIED Arg processed
|
||
clc
|
||
jmp STDIO.Exit
|
||
*--------------------------------------
|
||
.5 jmp (K.SScanFJMP,x)
|
||
*--------------------------------------
|
||
K.SScanFTBL .DA #'i,#1,#'d,#1,#'I,#2,#'D,#2,#'l,#4,#'u,#4,#'h,#1,#'H,#2,#'s,#2
|
||
K.SScanFJMP .DA K.SScanF.I
|
||
.DA K.SScanF.D
|
||
.DA K.SScanF.II
|
||
.DA K.SScanF.DD
|
||
.DA K.SScanF.L
|
||
.DA K.SScanF.U
|
||
.DA K.SScanF.H
|
||
.DA K.SScanF.HH
|
||
.DA K.SScanF.S
|
||
*--------------------------------------
|
||
K.SScanF.I
|
||
K.SScanF.D
|
||
K.SScanF.II
|
||
K.SScanF.DD
|
||
K.SScanF.L
|
||
K.SScanF.U lda K.SScanFTBL+1,x Get VAR size
|
||
pha Save VAL size
|
||
|
||
jsr MATH32.Dec2ACC32
|
||
bra K.SScanF.GetVAL
|
||
*--------------------------------------
|
||
K.SScanF.HH
|
||
K.SScanF.H lda K.SScanFTBL+1,x Get VAR size
|
||
pha
|
||
|
||
jsr MATH32.Hex2ACC32
|
||
|
||
K.SScanF.GetVAL jsr SHARED.AddYToPtr2 Y=char count parsed
|
||
|
||
.1 ply get back VAL size
|
||
|
||
.2 lda ACC32-1,y
|
||
dey
|
||
sta (ZPPtr3),y
|
||
bne .2
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
K.SScanF.S ldy #$ff
|
||
|
||
.1 iny
|
||
lda (ZPPtr2),y Get char in string to scan
|
||
sta (ZPPtr3),y store in param ptr
|
||
beq K.SScanF.Fwd end of string to scan ?
|
||
|
||
cmp (ZPPtr1) match format next char ?
|
||
beq .2
|
||
|
||
cmp #C.SPACE is it a space ?
|
||
bne .1
|
||
|
||
.2 lda #0 add \0 to param ptr
|
||
sta (ZPPtr3),y
|
||
|
||
K.SScanF.Fwd jmp SHARED.AddYToPtr2 Y=char count parsed
|
||
*--------------------------------------
|
||
* IN:
|
||
* CC : format in ZPPtr1
|
||
* CS : format in ZPPtr2
|
||
* X = 3 : get format & buffer
|
||
* X = 2 : get format & hFile
|
||
* X = 1 : get format only
|
||
* OUT:
|
||
* X = Buf LO
|
||
* A = Buf HI
|
||
* format on stack
|
||
* Y = BytePtr
|
||
*--------------------------------------
|
||
STDIO.GetParams stz PrintF.Cnt
|
||
stz PrintF.Cnt+1
|
||
|
||
lda (pStack) Bytecount
|
||
|
||
tay
|
||
sty STDIO.StackBytePtr
|
||
|
||
iny
|
||
lda (pStack),y format LO
|
||
pha
|
||
|
||
iny
|
||
lda (pStack),y format HI
|
||
bcs .10
|
||
|
||
sta ZPPtr1+1
|
||
pla
|
||
sta ZPPtr1
|
||
bra .11
|
||
|
||
.10 sta ZPPtr2+1
|
||
pla
|
||
sta ZPPtr2
|
||
|
||
.11 dex
|
||
beq .1
|
||
|
||
dex
|
||
beq .2
|
||
|
||
.3 stz PrintF.hFILE
|
||
|
||
iny
|
||
lda (pStack),y str LO
|
||
tax
|
||
|
||
iny
|
||
lda (pStack),y str HI
|
||
|
||
rts
|
||
|
||
.2 iny
|
||
lda (pStack),y hFILE
|
||
sta PrintF.hFILE
|
||
|
||
.1 ldx #K.IOBuf
|
||
lda /K.IOBuf
|
||
|
||
STDIO.GetParams.RTS
|
||
rts
|
||
*--------------------------------------
|
||
STDIO.GetStackPtr
|
||
jsr STDIO.GetStackByte
|
||
bcs STDIO.GetParams.RTS
|
||
tax
|
||
*--------------------------------------
|
||
STDIO.GetStackByte
|
||
phy
|
||
|
||
ldy STDIO.StackBytePtr
|
||
beq .9
|
||
|
||
lda (pStack),y
|
||
dec STDIO.StackBytePtr
|
||
|
||
ply
|
||
clc
|
||
rts
|
||
|
||
.9 lda #E.STACK
|
||
|
||
ply
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
STDIO.Exit php
|
||
pha
|
||
|
||
lda pStack
|
||
sec
|
||
adc STDIO.ExitPopCnt
|
||
sta pStack
|
||
|
||
pla
|
||
plp
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/sys/kernel.s.stdio2
|
||
LOAD usr/src/sys/kernel.s
|
||
ASM
|