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wargames: move missiles
This commit is contained in:
parent
860de1701a
commit
338152eef6
@ -3,22 +3,33 @@ include ../../Makefile.inc
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DOS33 = ../../utils/dos33fs-utils/dos33
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TOKENIZE = ../../utils/asoft_basic-utils/tokenize_asoft
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EMPTY_DISK = ../../empty_disk/empty.dsk
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PNG2HGR = ../../utils/hgr-utils/png2hgr
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LZSA = ~/research/lzsa/lzsa/lzsa
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all: wargames.dsk
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wargames.dsk: HELLO WARGAMES
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cp $(EMPTY_DISK) speech.dsk
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$(DOS33) -y speech.dsk SAVE A HELLO
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$(DOS33) -y speech.dsk BSAVE -a 0x1000 WARGAMES
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cp $(EMPTY_DISK) wargames.dsk
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$(DOS33) -y wargames.dsk SAVE A HELLO
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$(DOS33) -y wargames.dsk BSAVE -a 0x1000 WARGAMES
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###
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WARGAMES: wargames.o
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ld65 -o WARGAMES wargames.o -C ../../linker_scripts/apple2_1000.inc
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wargames.o: wargames.s ssi263.inc ssi263_detect.s ssi263_simple_speech.s
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wargames.o: wargames.s ssi263.inc ssi263_detect.s ssi263_simple_speech.s \
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map.lzsa
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ca65 -o wargames.o wargames.s -l wargames.lst
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###
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map.lzsa: map.hgr
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$(LZSA) -r -f2 map.hgr map.lzsa
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map.hgr: map.png
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$(PNG2HGR) map.png > map.hgr
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###
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315
demos/wargames/circles.s
Normal file
315
demos/wargames/circles.s
Normal file
@ -0,0 +1,315 @@
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; VGI_Circles
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TEMP0 = $80
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TEMP1 = $81
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TEMP2 = $82
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TEMP3 = $83
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TEMP4 = $84
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TEMP5 = $85
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P0 = $86
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P1 = $87
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P2 = $88
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P3 = $89
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XX = TEMP0
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MINUSXX = TEMP1
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YY = TEMP2
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MINUSYY = TEMP3
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D = TEMP4
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COUNT = TEMP5
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;========================
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; VGI circle
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;========================
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; VGI_CCOLOR = P0
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; VGI_CX = P1
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; VGI_CY = P2
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; VGI_CR = P3
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vgi_circle:
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ldx VGI_CCOLOR
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lda COLORTBL,X
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sta HGR_COLOR
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;===============================
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; draw circle
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;===============================
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; draw circle at (CX,CY) of radius R
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; signed 8-bit math so problems if R > 64?
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; XX=0 YY=R
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; D=3-2*R
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; GOTO6
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lda #0
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sta XX
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lda VGI_CR
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sta YY
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lda #3
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sec
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sbc VGI_CR
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sbc VGI_CR
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sta D
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jmp do_plots
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circle_loop:
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; X=X+1
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inc XX
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; IF D>0 THEN Y=Y-1:D=D+4*(X-Y)+10
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lda D
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bmi else
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dec YY
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lda XX
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sec
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sbc YY
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asl
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asl
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clc
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adc D
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adc #10
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jmp store_D
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else:
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; ELSE D=D+4*X+6
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lda XX
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asl
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asl
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clc
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adc D
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adc #6
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store_D:
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sta D
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do_plots:
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; setup constants
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lda XX
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eor #$FF
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sta MINUSXX
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inc MINUSXX
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lda YY
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eor #$FF
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sta MINUSYY
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inc MINUSYY
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; HPLOT CX+X,CY+Y
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; HPLOT CX-X,CY+Y
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; HPLOT CX+X,CY-Y
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; HPLOT CX-X,CY-Y
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; HPLOT CX+Y,CY+X
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; HPLOT CX-Y,CY+X
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; HPLOT CX+Y,CY-X
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; HPLOT CX-Y,CY-X
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; calc X co-ord
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lda #7
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sta COUNT
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pos_loop:
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lda COUNT
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and #$4
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lsr
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tay
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lda COUNT
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lsr
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bcc xnoc
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iny
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xnoc:
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lda VGI_CX
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clc
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adc XX,Y
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tax
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; calc y co-ord
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lda COUNT
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lsr
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eor #$2
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tay
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lda VGI_CY
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clc
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adc XX,Y
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ldy #0
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jsr HPLOT0 ; plot at (Y,X), (A)
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dec COUNT
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bpl pos_loop
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; IFY>=XTHEN4
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lda YY
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cmp XX
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bcs circle_loop
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rts
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;========================
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; VGI circle
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;========================
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; VGI_CCOLOR = P0
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; VGI_CX = P1
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; VGI_CY = P2
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; VGI_CR = P3
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vgi_filled_circle:
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ldx VGI_CCOLOR
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lda COLORTBL,X
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sta HGR_COLOR
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;===============================
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; draw filled circle
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;===============================
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; draw filled circle at (CX,CY) of radius R
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; signed 8-bit math so problems if R > 64?
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; XX=0 YY=R
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; D=3-2*R
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; GOTO6
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lda #0
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sta XX
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lda VGI_CR
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sta YY
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lda #3
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sec
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sbc VGI_CR
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sbc VGI_CR
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sta D
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jmp do_filled_plots
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filled_circle_loop:
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; X=X+1
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inc XX
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; IF D>0 THEN Y=Y-1:D=D+4*(X-Y)+10
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lda D
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bmi filled_else
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dec YY
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lda XX
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sec
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sbc YY
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asl
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asl
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clc
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adc D
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adc #10
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jmp store_filled_D
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filled_else:
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; ELSE D=D+4*X+6
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lda XX
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asl
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asl
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clc
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adc D
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adc #6
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store_filled_D:
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sta D
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do_filled_plots:
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; setup constants
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lda XX
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eor #$FF
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sta MINUSXX
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inc MINUSXX
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lda YY
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eor #$FF
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sta MINUSYY
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inc MINUSYY
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; HPLOT CX+X,CY+Y
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; HPLOT CX-X,CY+Y
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; HPLOT CX+X,CY-Y
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; HPLOT CX-X,CY-Y
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; HPLOT CX+Y,CY+X
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; HPLOT CX-Y,CY+X
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; HPLOT CX+Y,CY-X
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; HPLOT CX-Y,CY-X
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lda #3
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sta COUNT
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filled_pos_loop:
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; calc left side
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; calc X co-ord
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lda COUNT
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ora #$1
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eor #$2
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tay
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lda VGI_CX
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clc
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adc XX,Y
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tax
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; calc y co-ord
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ldy COUNT
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lda VGI_CY
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clc
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adc XX,Y
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ldy #0
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; pha ; save Y value for later
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jsr HPLOT0 ; plot at (Y,X), (A)
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; calc right side
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lda COUNT
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and #$2
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eor #$2
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tay
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lda XX,Y
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asl
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ldy #0
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ldx #0
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jsr HLINRL ; plot relative (X,A), (Y)
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; so in our case (0,XX*2),0
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dec COUNT
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bpl filled_pos_loop
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; IFY>=XTHEN4
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lda YY
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cmp XX
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bcs filled_circle_loop
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rts
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370
demos/wargames/decompress_fast_v2.s
Normal file
370
demos/wargames/decompress_fast_v2.s
Normal file
@ -0,0 +1,370 @@
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; note -- modified by Vince Weaver to assemble with ca65
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; in this case, A = page to decompress to
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; getsrc_smc+1, getsrc_smc+2 is src location
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; -----------------------------------------------------------------------------
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; Decompress raw LZSA2 block.
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; Create one with lzsa -r -f2 <original_file> <compressed_file>
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;
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; in:
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; * LZSA_SRC_LO and LZSA_SRC_HI contain the compressed raw block address
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; * LZSA_DST_LO and LZSA_DST_HI contain the destination buffer address
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;
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; out:
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; * LZSA_DST_LO and LZSA_DST_HI contain the last decompressed byte address, +1
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;
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; -----------------------------------------------------------------------------
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; Backward decompression is also supported, use lzsa -r -b -f2 <original_file> <compressed_file>
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; To use it, also define BACKWARD_DECOMPRESS=1 before including this code!
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;
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; in:
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; * LZSA_SRC_LO/LZSA_SRC_HI must contain the address of the last byte of compressed data
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; * LZSA_DST_LO/LZSA_DST_HI must contain the address of the last byte of the destination buffer
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;
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; out:
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; * LZSA_DST_LO/LZSA_DST_HI contain the last decompressed byte address, -1
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;
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; -----------------------------------------------------------------------------
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;
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; Copyright (C) 2019 Emmanuel Marty, Peter Ferrie
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;
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; This software is provided 'as-is', without any express or implied
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; warranty. In no event will the authors be held liable for any damages
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; arising from the use of this software.
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;
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; Permission is granted to anyone to use this software for any purpose,
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; including commercial applications, and to alter it and redistribute it
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; freely, subject to the following restrictions:
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;
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; 1. The origin of this software must not be misrepresented; you must not
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; claim that you wrote the original software. If you use this software
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; in a product, an acknowledgment in the product documentation would be
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; appreciated but is not required.
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; 2. Altered source versions must be plainly marked as such, and must not be
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; misrepresented as being the original software.
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; 3. This notice may not be removed or altered from any source distribution.
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; -----------------------------------------------------------------------------
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;NIBCOUNT = $FC ; zero-page location for temp offset
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decompress_lzsa2_fast:
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sta LZSA_DST_HI
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ldy #$00
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sty LZSA_DST_LO
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sty NIBCOUNT
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decode_token:
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jsr getsrc ; read token byte: XYZ|LL|MMM
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pha ; preserve token on stack
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and #$18 ; isolate literals count (LL)
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beq no_literals ; skip if no literals to copy
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cmp #$18 ; LITERALS_RUN_LEN_V2?
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bcc prepare_copy_literals ; if less, count is directly embedded in token
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jsr getnibble ; get extra literals length nibble
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; add nibble to len from token
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adc #$02 ; (LITERALS_RUN_LEN_V2) minus carry
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cmp #$12 ; LITERALS_RUN_LEN_V2 + 15 ?
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bcc prepare_copy_literals_direct ; if less, literals count is complete
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jsr getsrc ; get extra byte of variable literals count
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; the carry is always set by the CMP above
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; GETSRC doesn't change it
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sbc #$EE ; overflow?
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jmp prepare_copy_literals_direct
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prepare_copy_literals_large:
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; handle 16 bits literals count
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; literals count = directly these 16 bits
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jsr getlargesrc ; grab low 8 bits in X, high 8 bits in A
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tay ; put high 8 bits in Y
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bcs prepare_copy_literals_high ; (*same as JMP PREPARE_COPY_LITERALS_HIGH but shorter)
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prepare_copy_literals:
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lsr ; shift literals count into place
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lsr
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lsr
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prepare_copy_literals_direct:
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tax
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bcs prepare_copy_literals_large ; if so, literals count is large
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prepare_copy_literals_high:
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txa
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beq copy_literals
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iny
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copy_literals:
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jsr getput ; copy one byte of literals
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dex
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bne copy_literals
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dey
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bne copy_literals
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no_literals:
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pla ; retrieve token from stack
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pha ; preserve token again
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asl
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bcs repmatch_or_large_offset ; 1YZ: rep-match or 13/16 bit offset
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asl ; 0YZ: 5 or 9 bit offset
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bcs offset_9_bit
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; 00Z: 5 bit offset
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ldx #$FF ; set offset bits 15-8 to 1
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jsr getcombinedbits ; rotate Z bit into bit 0, read nibble for bits 4-1
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ora #$E0 ; set bits 7-5 to 1
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bne got_offset_lo ; go store low byte of match offset and prepare match
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offset_9_bit: ; 01Z: 9 bit offset
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;;asl ; shift Z (offset bit 8) in place
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rol
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rol
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and #$01
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eor #$FF ; set offset bits 15-9 to 1
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bne got_offset_hi ; go store high byte, read low byte of match offset and prepare match
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; (*same as JMP GOT_OFFSET_HI but shorter)
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repmatch_or_large_offset:
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asl ; 13 bit offset?
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bcs repmatch_or_16bit ; handle rep-match or 16-bit offset if not
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; 10Z: 13 bit offset
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jsr getcombinedbits ; rotate Z bit into bit 8, read nibble for bits 12-9
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adc #$DE ; set bits 15-13 to 1 and substract 2 (to substract 512)
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bne got_offset_hi ; go store high byte, read low byte of match offset and prepare match
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; (*same as JMP GOT_OFFSET_HI but shorter)
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repmatch_or_16bit: ; rep-match or 16 bit offset
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;;ASL ; XYZ=111?
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bmi rep_match ; reuse previous offset if so (rep-match)
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; 110: handle 16 bit offset
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jsr getsrc ; grab high 8 bits
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got_offset_hi:
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tax
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jsr getsrc ; grab low 8 bits
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got_offset_lo:
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sta OFFSLO ; store low byte of match offset
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stx OFFSHI ; store high byte of match offset
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rep_match:
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.ifdef BACKWARD_DECOMPRESS
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; Backward decompression - substract match offset
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sec ; add dest + match offset
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lda putdst+1 ; low 8 bits
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OFFSLO = *+1
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sbc #$AA
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sta copy_match_loop+1 ; store back reference address
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lda putdst+2
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OFFSHI = *+1
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sbc #$AA ; high 8 bits
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sta copy_match_loop+2 ; store high 8 bits of address
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sec
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.else
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; Forward decompression - add match offset
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clc ; add dest + match offset
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lda putdst+1 ; low 8 bits
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OFFSLO = *+1
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adc #$AA
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sta copy_match_loop+1 ; store back reference address
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OFFSHI = *+1
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lda #$AA ; high 8 bits
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adc putdst+2
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sta copy_match_loop+2 ; store high 8 bits of address
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.endif
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pla ; retrieve token from stack again
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and #$07 ; isolate match len (MMM)
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adc #$01 ; add MIN_MATCH_SIZE_V2 and carry
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cmp #$09 ; MIN_MATCH_SIZE_V2 + MATCH_RUN_LEN_V2?
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bcc prepare_copy_match ; if less, length is directly embedded in token
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||||
jsr getnibble ; get extra match length nibble
|
||||
; add nibble to len from token
|
||||
adc #$08 ; (MIN_MATCH_SIZE_V2 + MATCH_RUN_LEN_V2) minus carry
|
||||
cmp #$18 ; MIN_MATCH_SIZE_V2 + MATCH_RUN_LEN_V2 + 15?
|
||||
bcc prepare_copy_match ; if less, match length is complete
|
||||
|
||||
jsr getsrc ; get extra byte of variable match length
|
||||
; the carry is always set by the CMP above
|
||||
; GETSRC doesn't change it
|
||||
sbc #$E8 ; overflow?
|
||||
|
||||
prepare_copy_match:
|
||||
tax
|
||||
bcc prepare_copy_match_y ; if not, the match length is complete
|
||||
beq decompression_done ; if EOD code, bail
|
||||
|
||||
; Handle 16 bits match length
|
||||
jsr getlargesrc ; grab low 8 bits in X, high 8 bits in A
|
||||
tay ; put high 8 bits in Y
|
||||
|
||||
prepare_copy_match_y:
|
||||
txa
|
||||
beq copy_match_loop
|
||||
iny
|
||||
|
||||
copy_match_loop:
|
||||
lda $AAAA ; get one byte of backreference
|
||||
jsr putdst ; copy to destination
|
||||
|
||||
.ifdef BACKWARD_DECOMPRESS
|
||||
|
||||
; Backward decompression -- put backreference bytes backward
|
||||
|
||||
lda copy_match_loop+1
|
||||
beq getmatch_adj_hi
|
||||
getmatch_done:
|
||||
dec copy_match_loop+1
|
||||
|
||||
.else
|
||||
|
||||
; Forward decompression -- put backreference bytes forward
|
||||
|
||||
inc copy_match_loop+1
|
||||
beq getmatch_adj_hi
|
||||
getmatch_done:
|
||||
|
||||
.endif
|
||||
|
||||
dex
|
||||
bne copy_match_loop
|
||||
dey
|
||||
bne copy_match_loop
|
||||
jmp decode_token
|
||||
|
||||
.ifdef BACKWARD_DECOMPRESS
|
||||
|
||||
getmatch_adj_hi:
|
||||
dec copy_match_loop+2
|
||||
jmp getmatch_done
|
||||
|
||||
.else
|
||||
|
||||
getmatch_adj_hi:
|
||||
inc copy_match_loop+2
|
||||
jmp getmatch_done
|
||||
.endif
|
||||
|
||||
getcombinedbits:
|
||||
eor #$80
|
||||
asl
|
||||
php
|
||||
|
||||
jsr getnibble ; get nibble into bits 0-3 (for offset bits 1-4)
|
||||
plp ; merge Z bit as the carry bit (for offset bit 0)
|
||||
combinedbitz:
|
||||
rol ; nibble -> bits 1-4; carry(!Z bit) -> bit 0 ; carry cleared
|
||||
decompression_done:
|
||||
rts
|
||||
|
||||
getnibble:
|
||||
NIBBLES = *+1
|
||||
lda #$AA
|
||||
lsr NIBCOUNT
|
||||
bcc need_nibbles
|
||||
and #$0F ; isolate low 4 bits of nibble
|
||||
rts
|
||||
|
||||
need_nibbles:
|
||||
inc NIBCOUNT
|
||||
jsr getsrc ; get 2 nibbles
|
||||
sta NIBBLES
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
sec
|
||||
rts
|
||||
|
||||
.ifdef BACKWARD_DECOMPRESS
|
||||
|
||||
; Backward decompression -- get and put bytes backward
|
||||
|
||||
getput:
|
||||
jsr getsrc
|
||||
putdst:
|
||||
LZSA_DST_LO = *+1
|
||||
LZSA_DST_HI = *+2
|
||||
sta $AAAA
|
||||
lda putdst+1
|
||||
beq putdst_adj_hi
|
||||
dec putdst+1
|
||||
rts
|
||||
|
||||
putdst_adj_hi:
|
||||
dec putdst+2
|
||||
dec putdst+1
|
||||
rts
|
||||
|
||||
getlargesrc:
|
||||
jsr getsrc ; grab low 8 bits
|
||||
tax ; move to X
|
||||
; fall through grab high 8 bits
|
||||
|
||||
getsrc:
|
||||
LZSA_SRC_LO = *+1
|
||||
LZSA_SRC_HI = *+2
|
||||
lda $AAAA
|
||||
pha
|
||||
lda getsrc+1
|
||||
beq getsrc_adj_hi
|
||||
dec getsrc+1
|
||||
pla
|
||||
rts
|
||||
|
||||
getsrc_adj_hi:
|
||||
dec getsrc+2
|
||||
dec getsrc+1
|
||||
pla
|
||||
rts
|
||||
|
||||
.else
|
||||
|
||||
; Forward decompression -- get and put bytes forward
|
||||
|
||||
getput:
|
||||
jsr getsrc
|
||||
putdst:
|
||||
LZSA_DST_LO = *+1
|
||||
LZSA_DST_HI = *+2
|
||||
sta $AAAA
|
||||
inc putdst+1
|
||||
beq putdst_adj_hi
|
||||
rts
|
||||
|
||||
putdst_adj_hi:
|
||||
inc putdst+2
|
||||
rts
|
||||
|
||||
getlargesrc:
|
||||
jsr getsrc ; grab low 8 bits
|
||||
tax ; move to X
|
||||
; fall through grab high 8 bits
|
||||
|
||||
getsrc:
|
||||
getsrc_smc:
|
||||
LZSA_SRC_LO = *+1
|
||||
LZSA_SRC_HI = *+2
|
||||
lda $AAAA
|
||||
inc getsrc+1
|
||||
beq getsrc_adj_hi
|
||||
rts
|
||||
|
||||
getsrc_adj_hi:
|
||||
inc getsrc+2
|
||||
rts
|
||||
.endif
|
||||
|
@ -30,14 +30,14 @@ PTRIG = $C070
|
||||
|
||||
;NORMAL = $F273
|
||||
HGR2 = $F3D8
|
||||
;HGR = $F3E2
|
||||
HGR = $F3E2
|
||||
;BKGND0 = $F3F4 ; clear current page to A
|
||||
HPOSN = $F411 ; (Y,X),(A) (values stores in HGRX,XH,Y)
|
||||
HPLOT0 = $F457 ; plot at (Y,X), (A)
|
||||
;COLOR_SHIFT = $F47E
|
||||
;HLINRL = $F530 ; (X,A),(Y)
|
||||
HLINRL = $F530 ; (X,A),(Y)
|
||||
;HGLIN = $F53A ; line to (X,A),(Y)
|
||||
;COLORTBL = $F6F6
|
||||
COLORTBL = $F6F6
|
||||
|
||||
|
||||
; MONITOR ROUTINES
|
||||
|
BIN
demos/wargames/map_plain.png
Normal file
BIN
demos/wargames/map_plain.png
Normal file
Binary file not shown.
After Width: | Height: | Size: 2.1 KiB |
@ -5,10 +5,206 @@
|
||||
|
||||
.include "hardware.inc"
|
||||
|
||||
VGI_CCOLOR = P0
|
||||
VGI_CX = P1
|
||||
VGI_CY = P2
|
||||
VGI_CR = P3
|
||||
|
||||
NIBCOUNT = $09
|
||||
|
||||
HGR_COLOR = $E4
|
||||
|
||||
MISSILE_LOW = $FD
|
||||
MISSILE_HIGH = $FE
|
||||
FRAME = $FF
|
||||
|
||||
STATUS_WAITING = $00
|
||||
STATUS_MOVING = $01
|
||||
STATUS_EXPLODING = $02
|
||||
STATUS_DONE = $FF
|
||||
|
||||
MISSILE_STATUS = 0
|
||||
MISSILE_START_FRAME = 1
|
||||
MISSILE_X = 2
|
||||
MISSILE_X_FRAC = 3
|
||||
MISSILE_Y = 4
|
||||
MISSILE_Y_FRAC = 5
|
||||
MISSILE_DX_H = 6
|
||||
MISSILE_DX_L = 7
|
||||
MISSILE_DY_H = 8
|
||||
MISSILE_DY_L = 9
|
||||
MISSILE_DEST_X = 10
|
||||
MISSILE_DEST_Y = 11
|
||||
MISSILE_RADIUS = 12
|
||||
|
||||
|
||||
.include "ssi263.inc"
|
||||
|
||||
|
||||
speech_test:
|
||||
wargames:
|
||||
|
||||
jsr HGR
|
||||
|
||||
lda #<map_lzsa
|
||||
sta getsrc_smc+1
|
||||
lda #>map_lzsa
|
||||
sta getsrc_smc+2
|
||||
|
||||
lda #$20
|
||||
|
||||
jsr decompress_lzsa2_fast
|
||||
|
||||
|
||||
lda #0
|
||||
sta FRAME
|
||||
missile_loop:
|
||||
|
||||
lda #<missiles
|
||||
sta MISSILE_LOW
|
||||
lda #>missiles
|
||||
sta MISSILE_HIGH
|
||||
|
||||
ldy #0
|
||||
lda (MISSILE_LOW),Y
|
||||
|
||||
; see if totally done
|
||||
bpl keep_going
|
||||
jmp done_missile_loop
|
||||
keep_going:
|
||||
cmp #1
|
||||
beq missile_ready
|
||||
cmp #2
|
||||
beq missile_explode
|
||||
|
||||
; else 0, see if match
|
||||
|
||||
ldy #MISSILE_START_FRAME
|
||||
lda (MISSILE_LOW),Y
|
||||
cmp FRAME
|
||||
beq missile_activate
|
||||
jmp done_missile_loop ; not ready
|
||||
|
||||
missile_activate:
|
||||
|
||||
; make it ready
|
||||
lda #STATUS_MOVING
|
||||
ldy #MISSILE_STATUS
|
||||
sta (MISSILE_LOW),Y
|
||||
|
||||
|
||||
missile_ready:
|
||||
|
||||
missile_draw:
|
||||
|
||||
ldy #MISSILE_X
|
||||
lda (MISSILE_LOW),Y
|
||||
tax
|
||||
|
||||
ldy #MISSILE_Y
|
||||
lda (MISSILE_LOW),Y
|
||||
|
||||
ldy #0
|
||||
|
||||
jsr HPLOT0 ; plot at (Y,X), (A)
|
||||
|
||||
missile_move:
|
||||
|
||||
; add X
|
||||
clc
|
||||
ldy #MISSILE_DX_L
|
||||
lda (MISSILE_LOW),Y
|
||||
ldy #MISSILE_X_FRAC
|
||||
adc (MISSILE_LOW),Y
|
||||
sta (MISSILE_LOW),Y
|
||||
|
||||
ldy #MISSILE_DX_H
|
||||
lda (MISSILE_LOW),Y
|
||||
ldy #MISSILE_X
|
||||
adc (MISSILE_LOW),Y
|
||||
sta (MISSILE_LOW),Y
|
||||
|
||||
; add Y
|
||||
clc
|
||||
ldy #MISSILE_DY_L
|
||||
lda (MISSILE_LOW),Y
|
||||
ldy #MISSILE_Y_FRAC
|
||||
adc (MISSILE_LOW),Y
|
||||
sta (MISSILE_LOW),Y
|
||||
|
||||
ldy #MISSILE_DY_H
|
||||
lda (MISSILE_LOW),Y
|
||||
ldy #MISSILE_Y
|
||||
adc (MISSILE_LOW),Y
|
||||
sta (MISSILE_LOW),Y
|
||||
|
||||
|
||||
; see if at end
|
||||
ldy #MISSILE_Y
|
||||
lda (MISSILE_LOW),Y
|
||||
ldy #MISSILE_DEST_Y
|
||||
cmp (MISSILE_LOW),Y
|
||||
bne not_match
|
||||
|
||||
ldy #MISSILE_X
|
||||
lda (MISSILE_LOW),Y
|
||||
ldy #MISSILE_DEST_X
|
||||
cmp (MISSILE_LOW),Y
|
||||
bne not_match
|
||||
|
||||
is_match:
|
||||
lda #STATUS_EXPLODING
|
||||
ldy #MISSILE_STATUS
|
||||
sta (MISSILE_LOW),Y
|
||||
not_match:
|
||||
jmp done_missile_loop
|
||||
|
||||
missile_explode:
|
||||
|
||||
lda #7
|
||||
sta VGI_CCOLOR
|
||||
|
||||
ldy #MISSILE_RADIUS
|
||||
lda (MISSILE_LOW),Y
|
||||
clc
|
||||
adc #1
|
||||
sta (MISSILE_LOW),Y
|
||||
|
||||
sta VGI_CR
|
||||
|
||||
cmp #15
|
||||
bcc not_done_explosion
|
||||
|
||||
lda #STATUS_DONE
|
||||
ldy #MISSILE_STATUS
|
||||
sta (MISSILE_LOW),Y
|
||||
|
||||
not_done_explosion:
|
||||
|
||||
|
||||
ldy #MISSILE_X
|
||||
lda (MISSILE_LOW),Y
|
||||
sta VGI_CX
|
||||
|
||||
ldy #MISSILE_Y
|
||||
lda (MISSILE_LOW),Y
|
||||
sta VGI_CY
|
||||
|
||||
jsr vgi_filled_circle
|
||||
|
||||
|
||||
done_missile_loop:
|
||||
|
||||
lda #50
|
||||
jsr WAIT
|
||||
|
||||
inc FRAME
|
||||
beq done_missiles
|
||||
|
||||
jmp missile_loop
|
||||
|
||||
done_missiles:
|
||||
|
||||
;=========================================
|
||||
|
||||
jsr HOME
|
||||
|
||||
@ -53,6 +249,10 @@ wait_until_keypress:
|
||||
|
||||
.include "ssi263_simple_speech.s"
|
||||
|
||||
.include "decompress_fast_v2.s"
|
||||
|
||||
.include "circles.s"
|
||||
|
||||
; the document
|
||||
; "Phonetic Speech Dictionary for the SC-01 Speech Synthesizer"
|
||||
; sc01-dictionary.pdf
|
||||
@ -200,3 +400,39 @@ trogdor:
|
||||
.byte $FF
|
||||
|
||||
|
||||
map_lzsa:
|
||||
.incbin "map.lzsa"
|
||||
|
||||
|
||||
header:
|
||||
.byte "STRATEGY: WINNER:",0
|
||||
.byte "USSR FIRST STRIKE",0
|
||||
.byte "U.S. FIRST STRIKE",0
|
||||
.byte "NATO / WARSAW PACT",0
|
||||
.byte "FAR EAST STRATEGY",0
|
||||
|
||||
|
||||
ending:
|
||||
.byte "GREETINGS PROFESSOR FALKEN",0
|
||||
.byte "A STRANGE GAME",0
|
||||
.byte "THE ONLY WINNING MOVE IS"
|
||||
.byte "NOT TO PLAY.",0
|
||||
|
||||
|
||||
code:
|
||||
.byte "CPE1704TKS",0
|
||||
|
||||
|
||||
|
||||
|
||||
missiles:
|
||||
.byte $00 ; status
|
||||
.byte $10 ; start frame
|
||||
.byte 10,$10 ; x-location
|
||||
.byte 50,$10 ; y-location
|
||||
.byte $01,$00 ; deltax
|
||||
.byte $00,$00 ; deltay
|
||||
.byte 100,50 ; destination
|
||||
.byte $00 ; radius
|
||||
.byte $00,$00,$00 ; padding
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user