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A2osX/BIN/BMP2PIX.S.txt
Rémy GIBERT 7df3a2e93e Kernel 0.94
2020-07-04 21:00:47 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/bmp2pix
*--------------------------------------
.INB inc/macros.i
.INB inc/a2osx.i
.INB inc/io.i
.INB inc/gfx.i
.INB inc/libgui.i
*--------------------------------------
S.BMP.SIG .EQ 0
S.BMP.SIZE .EQ 2
S.BMP.DATA.OFS .EQ $A
S.BMP.HDR.SIZE .EQ $E
S.BMP.W .EQ $12
S.BMP.H .EQ $16
S.BMP.PLANES .EQ $1A
S.BMP.BPP .EQ $1C
*
S.BMP .EQ $36
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
ZPPTR1 .BS 2
ZPInputBuf .BS 2
ZPInputBufPtr .BS 2
ZPInputRowBytes .BS 2
ZPLineCount .BS 2
ZPPixelCount .BS 2
ZPOutputBuf .BS 2
ZPOutputRowBytes .BS 2
ZPPixel24 .BS 3
ZPPixelScore .BS 3
ZPCntX .BS 1
ZPCntY .BS 1
ZPPixelBest .BS 3
ZPPixelIndex16 .BS 1
ZBTmpW1 .BS 2
ZBTmpW2 .BS 2
ZS.END .ED
*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA #0 S.PS.F.EVENT
.DA #0
.DA CS.END-CS.START CS
.DA DS.END-DS.START DS
.DA #64 SS
.DA #ZS.END-ZS.START Zero Page Size
.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.HEADER.OK .DA MSG.HEADER.OK
L.MSG.HEADER.KO .DA MSG.HEADER.KO
L.MSG.DONE .DA MSG.DONE
.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
CS.RUN
.1 >INC.G ArgCount
>SYSCALL ArgV
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 >PUSHW L.MSG.USAGE
>PUSHBI 0
>SYSCALL PrintF
lda #E.SYN
sec
rts
.3 ldy OptionVars-1,x
lda #$80
sta (pData),y
bra .1
.4 >LDA.G hInputFile
bne .5
jsr CS.RUN.OpenInput
bcc .1 scan for any other args
rts
.5 >LDA.G hOutputFile
bne .99
jsr CS.RUN.CreateOutput
bcc .1 scan for any other args
.9 rts
.7 >LDA.G hOutputFile
beq .99
>LDA.G BMP.Header+S.BMP.BPP
cmp #1
beq CS.RUN.1
jmp CS.RUN.24
*--------------------------------------
CS.RUN.1 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
* jsr CS.RUN.WRITE.HDR
* bcs CS.RUN.RTS
*CS.RUN.1.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 ZPPIXRowBytes
* >PUSHW ZPOutputBufPtr
* >LDA.G hOutputFile
* >SYSCALL FWrite
* bcs CS.RUN.RTS
* bra CS.RUN.1.LOOP
*.8 >LDYA L.MSG.DONE
* >SYSCALL PutS
* lda #0
* sec
CS.RUN.RTS rts
*--------------------------------------
CS.RUN.24 lda #S.BM.F.BBP4
>STA.G PIX.Header+S.BM.F
>LDA.G BMP.Header+S.BMP.W
asl
sta ZPInputRowBytes
>LDA.G BMP.Header+S.BMP.W+1
rol
sta ZPInputRowBytes+1
lda ZPInputRowBytes
clc
>ADC.G BMP.Header+S.BMP.W
pha
lda ZPInputRowBytes+1
>ADC.G BMP.Header+S.BMP.W+1
tax
pla
bit #%00000011
beq .1
and #%11111100
clc
adc #4
bcc .1
inx
.1 sta ZPInputRowBytes
stx ZPInputRowBytes+1
>LDYA ZPInputRowBytes
>SYSCALL GetMem
bcs CS.RUN.RTS
>STYA ZPInputBuf
txa
>STA.G hInputBuf
>LDA.G PIX.Header+S.BM.W+1
lsr
tax
>LDA.G PIX.Header+S.BM.W
ror
bcc .2
inc
bne .2
inx
.2 sta ZPOutputRowBytes
stx ZPOutputRowBytes+1
>STA.G PIX.Header+S.BM.RowBytes
* txa
* >STA.G PIX.Header+S.BM.RowBytes+1
jsr CS.RUN.GetOutputBuf
bcs CS.RUN.RTS
jsr DEBUG.ClrScr
lda #$ff
sta ZPCntY
CS.RUN.24.LOOP inc ZPLineCount
bne .1
inc ZPLineCount+1
beq .8
.1 inc ZPCntY
lda #$ff
sta ZPCntX
jsr CS.RUN.ReadInput
bcs .9
lda ZPOutputBuf
sec
sbc ZPOutputRowBytes
sta ZPOutputBuf
lda ZPOutputBuf+1
sbc ZPOutputRowBytes+1
sta ZPOutputBuf+1
.2 inc ZPPixelCount
bne .3
inc ZPPixelCount+1
beq CS.RUN.24.LOOP
.3 inc ZPCntX
ldx #2
ldy #0
.4 lda (ZPInputBufPtr),y
sta ZPPixel24,x
iny
dex
bpl .4
lda ZPInputBufPtr
clc
adc #3
sta ZPInputBufPtr
bcc .5
inc ZPInputBufPtr+1
.5 jsr CS.RUN.GetNearestColor
pha
jsr DEBUG.PLOT
lda ZPCntX
lsr
tay
pla
bcs .6
sta (ZPOutputBuf),y
bra .2
.6 asl
asl
asl
asl
ora (ZPOutputBuf),y
sta (ZPOutputBuf),y
bra .2
.8 jsr CS.RUN.WriteOutput
bcs .9
lda #0
sec
.9 rts
*--------------------------------------
CS.RUN.GetNearestColor
stz ZPPixelIndex16
lda #$ff
sta ZPPixelBest
sta ZPPixelBest+1
sta ZPPixelBest+2
ldy #63
.30 stz ZPPixelScore
stz ZPPixelScore+1
stz ZPPixelScore+2
ldx #2
.40 phx A = |c - C|
dey
lda PALETTE.RGB,y
sec
sbc ZPPixel24,x
bcs .5
eor #$ff
inc
.5 sta ZBTmpW1
stz ZBTmpW1+1
stz ZBTmpW2
stz ZBTmpW2+1
ldx #8 compute A²
.1 lsr
bcc .2
pha
lda ZBTmpW1
clc
adc ZBTmpW2
sta ZBTmpW2
lda ZBTmpW1+1
adc ZBTmpW2+1
sta ZBTmpW2+1
pla
.2 asl ZBTmpW1
rol ZBTmpW1+1
dex
bne .1
lda ZPPixelScore compute A²+b+c²
clc
adc ZBTmpW2
sta ZPPixelScore
lda ZPPixelScore+1
adc ZBTmpW2+1
sta ZPPixelScore+1
bcc .3
inc ZPPixelScore+2
.3 plx
dex
bpl .40
lda ZPPixelBest
cmp ZPPixelScore
lda ZPPixelBest+1
sbc ZPPixelScore+1
lda ZPPixelBest+2
sbc ZPPixelScore+2
bcc .8
lda ZPPixelScore
sta ZPPixelBest
lda ZPPixelScore+1
sta ZPPixelBest+1
lda ZPPixelScore+2
sta ZPPixelBest+2
tya
lsr
lsr
sta ZPPixelIndex16
.8 dey
bpl .30
lda ZPPixelIndex16
CS.RUN.GetIndexInPalette.RTS
rts
*--------------------------------------
CS.RUN.OpenInput
>PUSHW ZPPtr1
>PUSHBI O.RDONLY
>PUSHBI 0 Type
>PUSHWZ Aux type
>SYSCALL FOpen
bcs CS.RUN.GetIndexInPalette.RTS
>STA.G hInputFile
>PUSHWI S.BMP
>PUSHEA.G BMP.Header
>LDA.G hInputFile
>SYSCALL FRead
bcs CS.RUN.GetIndexInPalette.RTS
>LDA.G BMP.Header+S.BMP.SIG
cmp #'B'
bne .99
iny
lda (pData),y
cmp #'M'
bne .99
>LDA.G BMP.Header+S.BMP.BPP+1
bne .99
dey
lda (pData),y
cmp #1
beq .1
cmp #24
bne .99
.1 >PUSHW L.MSG.HEADER.OK
>LDA.G BMP.Header+S.BMP.W
>STA.G PIX.Header+S.BM.W
pha
>LDA.G BMP.Header+S.BMP.W+1
>STA.G PIX.Header+S.BM.W+1
>PUSHA
pla
>PUSHA
>LDA.G BMP.Header+S.BMP.H
>STA.G PIX.Header+S.BM.H
pha
eor #$ff
sta ZPLineCount
>LDA.G BMP.Header+S.BMP.H+1
>STA.G PIX.Header+S.BM.H+1
>PUSHA
eor #$ff
sta ZPLineCount+1
pla
>PUSHA
>PUSHB.G BMP.Header+S.BMP.BPP
>PUSHBI 5
>SYSCALL PrintF
.9 rts
.99 >LDYA L.MSG.HEADER.KO
>SYSCALL PutS
lda #E.IBIN
sec
rts
*--------------------------------------
CS.RUN.ReadInput
>PUSHW ZPInputRowBytes
>PUSHW ZPInputBuf
>LDA.G hInputFile
>SYSCALL FRead
bcs .9
>LDYA ZPInputBuf
>STYA ZPInputBufPtr
>LDA.G BMP.Header+S.BMP.W
eor #$ff
sta ZPPixelCount
>LDA.G BMP.Header+S.BMP.W+1
eor #$ff
sta ZPPixelCount+1
.9 rts
*--------------------------------------
CS.RUN.CreateOutput
>PUSHW ZPPtr1
>PUSHBI O.WRONLY+O.CREATE
>PUSHBI $CB PIX Type
>PUSHWZ Aux type
>SYSCALL FOpen
bcs .9
>STA.G hOutputFile
.9 rts
*--------------------------------------
CS.RUN.GetOutputBuf
stz ZPPtr1
stz ZPPtr1+1
ldy ZPLineCount
ldx ZPLineCount+1
.1 iny
bne .2
inx
beq .8
.2 lda ZPPtr1
clc
adc ZPOutputRowBytes
sta ZPPtr1
lda ZPPtr1+1
adc ZPOutputRowBytes+1
sta ZPPtr1+1
bra .1
.8 >LDYA ZPPtr1
>SYSCALL GetMem
bcs .9
>STYA ZPOutputBuf
txa
>STA.G hOutputBuf
lda ZPPtr1
>STA.G OutputDataLen
clc
adc ZPOutputBuf
sta ZPOutputBuf
lda ZPPtr1+1
>STA.G OutputDataLen+1
adc ZPOutputBuf+1
sta ZPOutputBuf+1
clc
.9 rts
*--------------------------------------
CS.RUN.WriteOutput
>PUSHWI S.BM
>PUSHEA.G PIX.Header
>LDA.G hOutputFile
>SYSCALL FWrite
bcs .9
>PUSHW.G OutputDataLen
>PUSHW ZPOutputBuf
>LDA.G hOutputFile
>SYSCALL FWrite
.9 rts
*--------------------------------------
CS.DOEVENT sec
rts
*--------------------------------------
CS.QUIT >LDA.G hOutputBuf
beq .1
>SYSCALL FreeMem
.1 >LDA.G hInputBuf
beq .2
>SYSCALL FreeMem
.2 >LDA.G hOutputFile
beq .3
>SYSCALL FClose
.3 >LDA.G hInputFile
beq .8
>SYSCALL FClose
.8 clc
rts
*--------------------------------------
DEBUG.ClrScr sta SETMIXED
sta CLRTEXT
ldx #19
.1 lda SCR.BASEL,x
sta ZPPTR1
lda SCR.BASEH,x
sta ZPPTR1+1
lda #0
ldy #39
.2 sta SETPAGE2
sta (ZPPTR1),y
sta CLRPAGE2
sta (ZPPTR1),y
dey
bpl .2
dex
bpl .1
rts
*--------------------------------------
DEBUG.PLOT php
sei
pha
tax
lda ZPCntY
cmp #40
bcs .9
lda ZPCntX
cmp #80
bcs .9
lsr
tay
bcs .1 CS = main
sta SETPAGE2
lda PALETTE.AUX,x
bra .2
.1 sta CLRPAGE2
lda PALETTE.MAIN,x
.2 pha
lda #39
sec
sbc ZPCntY
lsr
tax
lda SCR.BASEL,x
sta ZPPTR1
lda SCR.BASEH,x
sta ZPPTR1+1
pla
bcc .3
asl
asl
asl
asl
.3 ora (ZPPTR1),y
sta (ZPPTR1),y
sta CLRPAGE2
.9 pla
plp
rts
*--------------------------------------
SCR.BASEL .HS 00.80.00.80.00.80.00.80.28.A8.28.A8.28.A8.28.A8.50.D0.50.D0.50.D0.50.D0
SCR.BASEH .HS 04.04.05.05.06.06.07.07.04.04.05.05.06.06.07.07.04.04.05.05.06.06.07.07
*--------------------------------------
CS.END
*--------------------------------------
.INB usr/src/shared/x.twist.g
*--------------------------------------
OptionList >PSTR "Vv"
OptionVars .DA #bVerbose,#bVerbose
MSG.USAGE .AS "Usage : BMP2PIX BMP-File \r\n"
.AZ " -V : Verbose Mode\r\n"
MSG.HEADER.OK .AZ "BMP Size : %D x %D pixels, %d bit(s)/pixel\r\n"
MSG.HEADER.KO .AZ "Invalid Input File Format"
MSG.DONE .AZ "All Done!!!"
*--------------------------------------
* LOWRES Patette : https://comp.sys.apple2.narkive.com/lTSrj2ZI/apple-ii-colour-rgb
*--------------------------------------
*PALETTE.RGB .HS 00000000 BLACK
* .HS ffffff00 WHITE
* .HS 7e7e7e00 DARK.GRAY
* .HS 9c9c9c00 DARK.GRAY
* .HS 604ebd00 DARK.BLUE
* .HS 14cffd00 BLUE
* .HS d0c3ff00 LIGHT.BLUE
* .HS 00a36000 DARK.GREEN
* .HS 14f53c00 LIGHT.GREEN
* .HS 72ffd000 AQUA
* .HS e31e6000 RED
* .HS ff44fd00 PURPLE
* .HS ffa0d000 PINK
* .HS 60720300 BROWN
* .HS ff6a3c00 ORANGE
* .HS d0dd8d00 YELLOW
*--------------------------------------
*PALETTE.RGB .DA #0,#0,#0,#0 0 Black
* .DA #255,#255,#255,#0 15 White
* .DA #126,#126,#126,#0 5 Grey1
* .DA #156,#156,#156,#0 10 Grey2
* .DA #96,#78,#189,#0 8 Dark Blue
* .DA #20,#207,#253,#0 12 Medium Blue
* .DA #208,#195,#255,#0 13 Light Blue
* .DA #0,#163,#96,#0 4 Dark Green
* .DA #20,#245,#60,#0 6 Green
* .DA #114,#255,#208,#0 14 Aqua
* .DA #255,#68,#253,#0 9 Violet
* .DA #255,#160,#208,#0 11 Pink
* .DA #227,#30,#96,#0 1 Magenta
* .DA #96,#114,#3,#0 2 Brown
* .DA #255,#106,#60,#0 3 Orange
* .DA #208,#221,#141,#0 7 Yellow
*--------------------------------------
PALETTE.RGB .HS 00000000 BLACK
.HS 1f35D300 DARK.BLUE
.HS 00760c00 DARK.GREEN
.HS 07a8e000 BLUE
.HS 624c0000 BROWN
.HS 7e7e7e00 DARK.GRAY
.HS 43c80000 LIGHT.GREEN
.HS 5df78400 AQUA
.HS 930B7c00 RED
.HS bb36ff00 PURPLE
.HS 9c9c9c00 LIGHT.GRAY
.HS b5afff00 LIGHT.BLUE
.HS f9561d00 ORANGE
.HS ff81ec00 PINK
.HS dccd1600 YELLOW
.HS ffffff00 WHITE
*--------------------------------------
PALETTE.MAIN .HS 00.02.04.06.08.0A.0C.0E
.HS 01.03.05.07.09.0B.0D.0F
PALETTE.AUX .HS 00.01.02.03.04.05.06.07
.HS 08.09.0A.0B.0C.0D.0E.0F
*PALETTE.AUX .HS 00.08.01.09.02.0A.03.0B
* .HS 04.0C.05.0D.06.0E.07.0F
*--------------------------------------
.DUMMY
.OR 0
DS.START
ArgCount .BS 1
bVerbose .BS 1
hInputFile .BS 1
hInputBuf .BS 1
hOutputFile .BS 1
hOutputBuf .BS 1
OutputDataLen .BS 2
BMP.Header .BS S.BMP
PIX.Header .BS S.BM
DS.END
.ED
*--------------------------------------
MAN
SAVE usr/src/bin/bmp2pix.s
ASM
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