mirror of
https://github.com/deater/dos33fsprogs.git
synced 2025-01-03 18:29:53 +00:00
lovebyte: work on dont
This commit is contained in:
Vince Weaver
parent
0fb6ec1d14
commit
264764a0ca
59
demos/lovebyte2024/d2v/Makefile
Normal file
59
demos/lovebyte2024/d2v/Makefile
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@ -0,0 +1,59 @@
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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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EMPTYDISK = ../../../empty_disk/empty.dsk
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LINKERSCRIPTS = ../../../linker_scripts/
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all: dont.dsk
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dont.dsk: HELLO DONT DONT2
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cp $(EMPTYDISK) dont.dsk
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$(DOS33) -y dont.dsk SAVE A HELLO
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$(DOS33) -y dont.dsk BSAVE -a 0xc00 DONT
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$(DOS33) -y dont.dsk BSAVE -a 0xc00 DONT2
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###
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submit: dont.zip
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dont.zip: DONT dont.s file_id.diz dont.dsk
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mkdir -p lovebyte2023_dont
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cp DONT ./lovebyte2023_dont
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cp dont.s ./lovebyte2023_dont
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cp file_id.diz ./lovebyte2023_dont
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cp dont.dsk ./lovebyte2023_dont
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cp monitor.txt ./lovebyte2023_dont
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cp dont_screen.png ./lovebyte2023_dont
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cp dont_720p.mp4 ./lovebyte2023_dont
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zip -r dont.zip lovebyte2023_dont
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####
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####
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HELLO: hello.bas
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$(TOKENIZE) < hello.bas > HELLO
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###
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DONT: dont.o
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ld65 -o DONT dont.o -C $(LINKERSCRIPTS)/apple2_c00.inc
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dont.o: dont.s
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ca65 -o dont.o dont.s -l dont.lst
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###
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DONT2: dont2.o
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ld65 -o DONT2 dont2.o -C $(LINKERSCRIPTS)/apple2_c00.inc
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dont2.o: dont2.s
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ca65 -o dont2.o dont2.s -l dont2.lst
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####
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clean:
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rm -f *~ *.o *.lst HELLO DONT DONT2 *.zip
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49
demos/lovebyte2024/d2v/dont.s
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49
demos/lovebyte2024/d2v/dont.s
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@ -0,0 +1,49 @@
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; Don't Tell Valve
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; by Vince `deater` Weaver / DsR
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; zero page locations
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GBASL = $26
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GBASH = $27
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HGR_SCALE = $E7
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HGR_ROTATION = $F9
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ZP=$80
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offset = ZP+0
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ZX0_src = ZP+2
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ZX0_dst = ZP+4
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bitr = ZP+6
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pntr = ZP+7
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; ROM locations
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HGR2 = $F3D8
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HGR = $F3E2
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HPOSN = $F411
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XDRAW0 = $F65D
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XDRAW1 = $F661
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HPLOT0 = $F457
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dont:
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jsr HGR ; Hi-res, full screen ; 3
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; Y=0, A=0 after this call
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lda #<scene
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sta zx_src_l+1
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lda #>scene
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sta zx_src_h+1
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lda #$20
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jsr zx02_full_decomp
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ending:
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jmp ending
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.include "zx02_optim.s"
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scene:
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.incbin "graphics/scene.hgr.zx02"
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202
demos/lovebyte2024/d2v/dont2.s
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202
demos/lovebyte2024/d2v/dont2.s
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; Don't Tell Valve
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; by Vince `deater` Weaver / DsR
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; 147 bytes = initial block code
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; 144 bytes = optimize color pick
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; 137 bytes = optimize table generation
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; 135 bytes = more optimization
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; zero page locations
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GBASL = $26
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GBASH = $27
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HGR_X = $E0
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HGR_Y = $E2
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HGR_SCALE = $E7
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TEMPY = $F0
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HGR_ROTATION = $F9
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INL = $FE
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INH = $FF
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; ROM locations
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HGR2 = $F3D8
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HGR = $F3E2
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HPOSN = $F411
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XDRAW0 = $F65D
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XDRAW1 = $F661
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HPLOT0 = $F457
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hposn_low = $6000
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hposn_high = $6100
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dont:
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jsr HGR ; Hi-res, full screen ; 3
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; Y=0, A=0 after this call
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;==========================
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; make table
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; ldy #0
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table_loop:
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; sty TEMPY
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; lda #0 ; we are out of bounds, does it matter?
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; tax
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tya
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jsr HPOSN
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ldy HGR_Y ; HPOSN saves this
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lda GBASL
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sta hposn_low,Y
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lda GBASH
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sta hposn_high,Y
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iny
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; cpy #192 ; what happens if we run 192..255?
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bne table_loop
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ldx #8
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draw_loop:
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jsr draw_box
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dex
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bpl draw_loop
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ldx #37
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lda #<companion_cube
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sta INL
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lda #>companion_cube
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sta INH
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jsr draw_sprite
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ldx #34
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lda #<companion_cube
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sta INL
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lda #>companion_cube
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sta INH
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jsr draw_sprite
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lda #101
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sta draw_sprite_y_smc+1
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ldx #38
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lda #<companion_cube
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sta INL
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lda #>companion_cube
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sta INH
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jsr draw_sprite
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ending:
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jmp ending
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box_color_odd:
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.byte $2A,$55,$AA,$7F,$7F,$7F,$60,$03,$E0
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box_color_even:
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.byte $55,$2A,$D5,$7F,$7F,$7F,$60,$03,$E0
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box_x1:
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.byte 16, 33, 0, 0, 24, 16, 15, 24, 39
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box_x2:
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.byte 24, 40, 34, 16, 40, 24, 16, 25, 40
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box_y1:
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.byte 130, 50, 42,120,120,159,121,121,101
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box_y2:
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.byte 159, 57, 43,121,121,160,160,160,120
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;==========================
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; draw box
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;==========================
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; which to draw in X
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; X preserved?
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draw_box:
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lda box_y1,X ; 3
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draw_box_outer:
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sta TEMPY ; 2
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tay ; 1
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lda hposn_low,Y ; 3
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sta GBASL ; 2
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lda hposn_high,Y ; 3
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sta GBASH ; 2
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ldy box_x1,X ; 3
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draw_box_inner:
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tya ; 1
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lsr ; 1
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lda box_color_odd,X ; 3
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bcc draw_color_odd ; 2 ; we might have these flipped
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draw_color_even:
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lda box_color_even,X ; 3
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draw_color_odd:
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sta (GBASL),Y ; 2
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iny ; 1
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tya ; 1
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cmp box_x2,X ; 3
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bne draw_box_inner ; 2
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inc TEMPY ; 2
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lda TEMPY ; 2
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cmp box_y2,X ; 3
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bne draw_box_outer ; 2
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rts ; 1
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companion_cube:
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.byte $6F,$3D ; .@@@@.@@ @.@@@@..
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.byte $07,$38 ; .@@@.... ...@@@..
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.byte $03,$38 ; .@@..... ....@@..
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.byte $30,$03 ; .....@@. @@......
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.byte $73,$33 ; .@@..@@@ @@..@@..
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.byte $73,$33 ; .@@..@@@ @@..@@..
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.byte $60,$01 ; ......@@ @.......
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.byte $43,$30 ; .@@....@ ....@@..
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.byte $07,$38 ; .@@@.... ...@@@..
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.byte $6F,$3D ; .@@@@.@@ @.@@@@..
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.byte $00,$00
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;==========================
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; draw sprite
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;==========================
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; INL/INH is sprite
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; X is X location
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draw_sprite:
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stx draw_sprite_xpos+1
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draw_sprite_y_smc:
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lda #50 ; 2 ; Y position
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sta draw_sprite_y_end_smc+1
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sec
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sbc #11
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draw_sprite_outer:
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sta TEMPY ; 2
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tay ; 1
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lda hposn_low,Y ; 3
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clc
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draw_sprite_xpos:
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adc #37 ; Xpos=37
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sta GBASL ; 2
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lda hposn_high,Y ; 3
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sta GBASH ; 2
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ldy #0 ; 2
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lda (INL),Y
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sta (GBASL),Y
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iny
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lda (INL),Y
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sta (GBASL),Y
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inc INL
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inc INL
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inc TEMPY ; 2
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lda TEMPY ; 2
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draw_sprite_y_end_smc:
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cmp #50 ; 3
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bne draw_sprite_outer ; 2
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rts ; 1
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21
demos/lovebyte2024/d2v/graphics/Makefile
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21
demos/lovebyte2024/d2v/graphics/Makefile
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include ../../../../Makefile.inc
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ZX02 = ~/research/6502_compression/zx02.git/build/zx02
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PNG_TO_HGR = ../../../../utils/hgr-utils/png2hgr
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PNG2GR = ../../../../utils/gr-utils/png2gr
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all: scene.hgr.zx02
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####
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scene.hgr: scene.png
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$(PNG_TO_HGR) scene.png > scene.hgr
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scene.hgr.zx02: scene.hgr
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$(ZX02) scene.hgr scene.hgr.zx02
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####
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clean:
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rm -f *~
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BIN
demos/lovebyte2024/d2v/graphics/scene.png
Normal file
BIN
demos/lovebyte2024/d2v/graphics/scene.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 4.4 KiB |
7
demos/lovebyte2024/d2v/hello.bas
Normal file
7
demos/lovebyte2024/d2v/hello.bas
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5 HOME
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10 PRINT " DONT"
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20 PRINT CHR$(4)"CATALOG"
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25 PRINT:PRINT "PRESS ANY KEY TO 'BRUN DONT'"
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30 GET A$
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35 PRINT
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'40 PRINT CHR$(4)"BRUN DONT"
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159
demos/lovebyte2024/d2v/zx02_optim.s
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159
demos/lovebyte2024/d2v/zx02_optim.s
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; De-compressor for ZX02 files
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; ----------------------------
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;
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; Decompress ZX02 data (6502 optimized format), optimized for speed and size
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; 138 bytes code, 58.0 cycles/byte in test file.
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;
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; Compress with:
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; zx02 input.bin output.zx0
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;
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; (c) 2022 DMSC
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; Code under MIT license, see LICENSE file.
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;ZP=$80
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;offset = ZP+0
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;ZX0_src = ZP+2
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;ZX0_dst = ZP+4
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;bitr = ZP+6
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;pntr = ZP+7
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; Initial values for offset, source, destination and bitr
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;zx0_ini_block:
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; .byte $00, $00, <comp_data, >comp_data, <out_addr, >out_addr, $80
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;--------------------------------------------------
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; Decompress ZX0 data (6502 optimized format)
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zx02_full_decomp:
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; ; Get initialization block
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; ldy #7
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;
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;copy_init: lda zx0_ini_block-1, y
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; sta offset-1, y
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; dey
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; bne copy_init
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sta ZX0_dst+1 ; page to output to in A
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zx_src_l:
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ldy #$dd
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sty ZX0_src
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zx_src_h:
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ldy #$dd
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sty ZX0_src+1
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ldy #$80
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sty bitr
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ldy #0
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sty offset
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sty offset+1
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sty ZX0_dst ; always on even page
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; Decode literal: Ccopy next N bytes from compressed file
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; Elias(length) byte[1] byte[2] ... byte[N]
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decode_literal:
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jsr get_elias
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cop0: lda (ZX0_src), y
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inc ZX0_src
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bne plus1
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inc ZX0_src+1
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plus1: sta (ZX0_dst),y
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inc ZX0_dst
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bne plus2
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inc ZX0_dst+1
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plus2: dex
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bne cop0
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asl bitr
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bcs dzx0s_new_offset
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; Copy from last offset (repeat N bytes from last offset)
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; Elias(length)
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jsr get_elias
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dzx0s_copy:
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lda ZX0_dst
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sbc offset ; C=0 from get_elias
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sta pntr
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lda ZX0_dst+1
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sbc offset+1
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sta pntr+1
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cop1:
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lda (pntr), y
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inc pntr
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bne plus3
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inc pntr+1
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plus3: sta (ZX0_dst),y
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inc ZX0_dst
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bne plus4
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inc ZX0_dst+1
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plus4: dex
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bne cop1
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asl bitr
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bcc decode_literal
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; Copy from new offset (repeat N bytes from new offset)
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; Elias(MSB(offset)) LSB(offset) Elias(length-1)
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dzx0s_new_offset:
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; Read elias code for high part of offset
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jsr get_elias
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beq exit ; Read a 0, signals the end
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; Decrease and divide by 2
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dex
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txa
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lsr ; @
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sta offset+1
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; Get low part of offset, a literal 7 bits
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lda (ZX0_src), y
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inc ZX0_src
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bne plus5
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inc ZX0_src+1
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plus5:
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; Divide by 2
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ror ; @
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sta offset
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; And get the copy length.
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; Start elias reading with the bit already in carry:
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ldx #1
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jsr elias_skip1
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inx
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bcc dzx0s_copy
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; Read an elias-gamma interlaced code.
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; ------------------------------------
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get_elias:
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; Initialize return value to #1
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ldx #1
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bne elias_start
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elias_get: ; Read next data bit to result
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asl bitr
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rol ; @
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tax
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elias_start:
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; Get one bit
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asl bitr
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bne elias_skip1
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; Read new bit from stream
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lda (ZX0_src), y
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inc ZX0_src
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bne plus6
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inc ZX0_src+1
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plus6: ;sec ; not needed, C=1 guaranteed from last bit
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rol ;@
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sta bitr
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elias_skip1:
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txa
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bcs elias_get
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; Got ending bit, stop reading
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exit:
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rts
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Block a user