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A2osX/BMP2PIX.S.txt

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Kernel 0.9.1 : GUI, Tables & BMP conversion tools
2017-11-24 16:13:32 +00:00
PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BUILD/BMP2PIX
*--------------------------------------
.INB /A2OSX.BUILD/INC/MACROS.I
.INB /A2OSX.BUILD/INC/A2OSX.I
.INB /A2OSX.BUILD/INC/LIBGUI.I
*--------------------------------------
ZPPTR1 .EQ ZPBIN
ZPInputBufPtr .EQ ZPBIN+2
ZPInputBufLen .EQ ZPBIN+4
ZPInputDataPtr .EQ ZPBIN+6
ZPBMPRowBytes .EQ ZPBIN+8
ZPPIXRowBytes .EQ ZPBIN+10
ZPBufPtr .EQ ZPBIN+12
ZPLineCount .EQ ZPBIN+14
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #64 SS
.DA #16 ZP
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG.USAGE .DA MSG.USAGE
L.MSG.FILE.OK .DA MSG.FILE.OK
L.MSG.HEADER.OK .DA MSG.HEADER.OK
L.MSG.HEADER.KO .DA MSG.HEADER.KO
L.MSG.DONE .DA MSG.DONE
.DA 0
*--------------------------------------
CS.INIT
.1 >INC.G ArgCount
>SYSCALL GetArg.A
bcs .7
>STYA ZPPtr1
lda (ZPPtr1)
cmp #'-'
bne .4
ldy #1
lda (ZPPtr1),y
ldx OptionList
.2 cmp OptionList,x
beq .3
dex
bne .2
.99 >LDYA L.MSG.USAGE
>SYSCALL PrintF.YA
lda #K.E.SYN
sec
rts
.3 ldy OptionVars-1,x
lda #$80
sta (pData),y
bra .1
.4 >LDA.G hInputBuf
bne .5
jsr CS.INIT.OPENINPUT
bcc .1 scan for any other args
rts
.5 >LDA.G hOutputFile
bne .99
jsr CS.INIT.CREATEOUTPUT
bcc .1 scan for any other args
rts
.7 >LDA.G hOutputFile
beq .99
>LDYAI 256
>SYSCALL GetMem.YA
bcs CS.INIT.RTS
>STYA ZPBufPtr
txa
>STA.G hBuf
.8 clc
CS.INIT.RTS rts
*--------------------------------------
CS.INIT.OPENINPUT
>PUSHWI 0 Aux type
>PUSHBI 0 Type
>PUSHBI SYS.FOpen.R
>PUSHW ZPPtr1
>SYSCALL LoadFile
bcs CS.INIT.RTS
>STYA ZPInputBufLen
>PUSHYA
txa
>STA.G hInputBuf
>SYSCALL GetMemPtr.A
>STYA ZPInputBufPtr
>LDYA L.MSG.FILE.OK
>SYSCALL PrintF.YA
lda (ZPInputBufPtr)
cmp #'B'
bne .99
ldy #1
lda (ZPInputBufPtr),y
cmp #'M'
bne .99
ldy #$1C BBP LO
lda (ZPInputBufPtr),y
cmp #1
bne .99
iny BBP HI
lda (ZPInputBufPtr),y
bne .99
ldy #$16 H LO
lda (ZPInputBufPtr),y
>STA.G PIX.Header+S.BM.H
pha
eor #$ff
sta ZPLineCount
ldy #$17 H HI
lda (ZPInputBufPtr),y
>STA.G PIX.Header+S.BM.H+1
>PUSHA
eor #$ff
sta ZPLineCount+1
pla
>PUSHA
ldy #$12 W LO
lda (ZPInputBufPtr),y
>STA.G PIX.Header+S.BM.W
pha
ldy #$13 W HI
lda (ZPInputBufPtr),y
>STA.G PIX.Header+S.BM.W+1
>PUSHA
pla
>PUSHA
>LDYA L.MSG.HEADER.OK
>SYSCALL PrintF.YA
clc
rts
.99 >LDYA L.MSG.HEADER.KO
>SYSCALL PrintF.YA
lda #K.E.IBIN
sec
rts
*--------------------------------------
CS.INIT.CREATEOUTPUT
>PUSHWI 0 Aux type
>PUSHBI $CB PIX Type
>PUSHBI SYS.FOpen.W+SYS.FOpen.X
>PUSHW ZPPtr1
>SYSCALL FOpen
bcs .9
>STA.G hOutputFile
.9 rts
*--------------------------------------
CS.RUN lda #S.BM.F.BBP1
>STA.G PIX.Header+S.BM.F
>LDA.G PIX.Header+S.BM.W
sta ZPBMPRowBytes
sta ZPPIXRowBytes
iny
lda (pData),y
sta ZPBMPRowBytes+1
sta ZPPIXRowBytes+1
lda ZPBMPRowBytes
and #%00011111
beq .1
lda ZPBMPRowBytes
and #%11100000
clc
adc #%00100000
bcc .1
inc ZPBMPRowBytes+1
.1 lsr ZPBMPRowBytes+1
ror
lsr ZPBMPRowBytes+1
ror
lsr ZPBMPRowBytes+1
ror
sta ZPBMPRowBytes
lda ZPPIXRowBytes
and #%00000111
beq .2
lda ZPPIXRowBytes
and #%11111000
clc
adc #%00001000
bcc .2
inc ZPPIXRowBytes+1
.2 lsr ZPPIXRowBytes+1
ror
lsr ZPPIXRowBytes+1
ror
lsr ZPPIXRowBytes+1
ror
sta ZPPIXRowBytes
>STA.G PIX.Header+S.BM.RowBytes
lda ZPInputBufPtr
clc
adc ZPInputBufLen
sta ZPInputDataPtr
lda ZPInputBufPtr+1
adc ZPInputBufLen+1
sta ZPInputDataPtr+1
>PUSHEA.G PIX.Header
>PUSHWI S.BM
>LDA.G hOutputFile
>PUSHA
>SYSCALL FWrite
bcs CS.RUN.RTS
CS.RUN.LOOP inc ZPLineCount
bne .1
inc ZPLineCount+1
beq .8
.1 lda ZPInputDataPtr
sec
sbc ZPBMPRowBytes
sta ZPInputDataPtr
lda ZPInputDataPtr+1
sbc ZPBMPRowBytes+1
sta ZPInputDataPtr+1
>LDYA ZPBufPtr
>STYA ZPPTR1
ldy #0
.2 lda (ZPInputDataPtr),y
tax
lda TWIST,x
sta (ZPPTR1)
inc ZPPTR1
bne .3
inc ZPPTR1+1
.3 iny
cpy ZPPIXRowBytes
bne .2
>PUSHW ZPBufPtr
>PUSHW ZPPIXRowBytes
>LDA.G hOutputFile
>PUSHA
>SYSCALL FWrite
bcs CS.RUN.RTS
bra CS.RUN.LOOP
.8 >LDYA L.MSG.DONE
>SYSCALL PrintF.YA
lda #0
sec
CS.RUN.RTS rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT >LDA.G hBuf
beq .1
>SYSCALL FreeMem.A
.1 >LDA.G hOutputFile
beq .8
>SYSCALL FClose.A
.8 clc
rts
*--------------------------------------
CS.END
TWIST .DA #%00000000,#%10000000,#%01000000,#%11000000,#%00100000,#%10100000,#%01100000,#%11100000
.DA #%00010000,#%10010000,#%01010000,#%11010000,#%00110000,#%10110000,#%01110000,#%11110000
.DA #%00001000,#%10001000,#%01001000,#%11001000,#%00101000,#%10101000,#%01101000,#%11101000
.DA #%00011000,#%10011000,#%01011000,#%11011000,#%00111000,#%10111000,#%01111000,#%11111000
.DA #%00000100,#%10000100,#%01000100,#%11000100,#%00100100,#%10100100,#%01100100,#%11100100
.DA #%00010100,#%10010100,#%01010100,#%11010100,#%00110100,#%10110100,#%01110100,#%11110100
.DA #%00001100,#%10001100,#%01001100,#%11001100,#%00101100,#%10101100,#%01101100,#%11101100
.DA #%00011100,#%10011100,#%01011100,#%11011100,#%00111100,#%10111100,#%01111100,#%11111100
.DA #%00000010,#%10000010,#%01000010,#%11000010,#%00100010,#%10100010,#%01100010,#%11100010
.DA #%00010010,#%10010010,#%01010010,#%11010010,#%00110010,#%10110010,#%01110010,#%11110010
.DA #%00001010,#%10001010,#%01001010,#%11001010,#%00101010,#%10101010,#%01101010,#%11101010
.DA #%00011010,#%10011010,#%01011010,#%11011010,#%00111010,#%10111010,#%01111010,#%11111010
.DA #%00000110,#%10000110,#%01000110,#%11000110,#%00100110,#%10100110,#%01100110,#%11100110
.DA #%00010110,#%10010110,#%01010110,#%11010110,#%00110110,#%10110110,#%01110110,#%11110110
.DA #%00001110,#%10001110,#%01001110,#%11001110,#%00101110,#%10101110,#%01101110,#%11101110
.DA #%00011110,#%10011110,#%01011110,#%11011110,#%00111110,#%10111110,#%01111110,#%11111110
.DA #%00000001,#%10000001,#%01000001,#%11000001,#%00100001,#%10100001,#%01100001,#%11100001
.DA #%00010001,#%10010001,#%01010001,#%11010001,#%00110001,#%10110001,#%01110001,#%11110001
.DA #%00001001,#%10001001,#%01001001,#%11001001,#%00101001,#%10101001,#%01101001,#%11101001
.DA #%00011001,#%10011001,#%01011001,#%11011001,#%00111001,#%10111001,#%01111001,#%11111001
.DA #%00000101,#%10000101,#%01000101,#%11000101,#%00100101,#%10100101,#%01100101,#%11100101
.DA #%00010101,#%10010101,#%01010101,#%11010101,#%00110101,#%10110101,#%01110101,#%11110101
.DA #%00001101,#%10001101,#%01001101,#%11001101,#%00101101,#%10101101,#%01101101,#%11101101
.DA #%00011101,#%10011101,#%01011101,#%11011101,#%00111101,#%10111101,#%01111101,#%11111101
.DA #%00000011,#%10000011,#%01000011,#%11000011,#%00100011,#%10100011,#%01100011,#%11100011
.DA #%00010011,#%10010011,#%01010011,#%11010011,#%00110011,#%10110011,#%01110011,#%11110011
.DA #%00001011,#%10001011,#%01001011,#%11001011,#%00101011,#%10101011,#%01101011,#%11101011
.DA #%00011011,#%10011011,#%01011011,#%11011011,#%00111011,#%10111011,#%01111011,#%11111011
.DA #%00000111,#%10000111,#%01000111,#%11000111,#%00100111,#%10100111,#%01100111,#%11100111
.DA #%00010111,#%10010111,#%01010111,#%11010111,#%00110111,#%10110111,#%01110111,#%11110111
.DA #%00001111,#%10001111,#%01001111,#%11001111,#%00101111,#%10101111,#%01101111,#%11101111
.DA #%00011111,#%10011111,#%01011111,#%11011111,#%00111111,#%10111111,#%01111111,#%11111111
*--------------------------------------
OptionList >PSTR "Vv"
OptionVars .DA #bVerbose,#bVerbose
MSG.USAGE >CSTR "Usage : BMP2PIX BMP-File \r\n -V : Verbose Mode\r\n"
MSG.FILE.OK >CSTR "BMP Loaded, %D Bytes Read\r\n"
MSG.HEADER.OK >CSTR "BMP Size : %D x %D pixels\r\n"
MSG.HEADER.KO >CSTR "Invalid Input File Format\r\n"
MSG.DONE >CSTR "All Done!!!\r\n"
*--------------------------------------
.DUMMY
.OR 0
DS.START
PIX.Header .BS S.BM
ArgCount .BS 1
hInputBuf .BS 1
hOutputFile .BS 1
bVerbose .BS 1
hBuf .BS 1
DS.END
.ED
*--------------------------------------
MAN
SAVE /A2OSX.BUILD/BMP2PIX.S
ASM
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