mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-01 01:06:33 +00:00
bubble_gr: more optimization
This commit is contained in:
Vince Weaver
parent
a0292dd846
commit
fa07114911
@ -7,11 +7,12 @@ EMPTY_DISK = ../../../empty_disk
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all: bubble_gr.dsk make_table
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bubble_gr.dsk: HELLO BUBBLE_GR BUBBLE_COLOR BUBBLE_TINY
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bubble_gr.dsk: HELLO BUBBLE_GR BUBBLE_COLOR BUBBLE_SMALL BUBBLE_TINY
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cp $(EMPTY_DISK)/empty.dsk bubble_gr.dsk
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$(DOS33) -y bubble_gr.dsk SAVE A HELLO
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$(DOS33) -y bubble_gr.dsk BSAVE -a 0x2000 BUBBLE_GR
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$(DOS33) -y bubble_gr.dsk BSAVE -a 0x2000 BUBBLE_COLOR
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$(DOS33) -y bubble_gr.dsk BSAVE -a 0x2000 BUBBLE_SMALL
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$(DOS33) -y bubble_gr.dsk BSAVE -a 0x2000 BUBBLE_TINY
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###
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@ -37,6 +38,14 @@ bubble_color.o: bubble_color.s
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###
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BUBBLE_SMALL: bubble_small.o
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ld65 -o BUBBLE_SMALL bubble_small.o -C $(LINKER_SCRIPTS)/apple2_2000.inc
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bubble_small.o: bubble_small.s
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ca65 -o bubble_small.o bubble_small.s -l bubble_small.lst
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###
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BUBBLE_TINY: bubble_tiny.o
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ld65 -o BUBBLE_TINY bubble_tiny.o -C $(LINKER_SCRIPTS)/apple2_2000.inc
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@ -55,6 +64,6 @@ make_table.o: make_table.c
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clean:
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rm -f *~ *.o *.lst make_table \
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HELLO BUBBLE_GR BUBBLE_COLOR BUBBLE_TINY
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HELLO BUBBLE_GR BUBBLE_COLOR BUBBLE_SMALL BUBBLE_TINY
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463
graphics/gr/bubble_universe/bubble_small.s
Normal file
463
graphics/gr/bubble_universe/bubble_small.s
Normal file
@ -0,0 +1,463 @@
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; bubble universe small -- Apple II Lores
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; smallest I could get with original sine table
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; by Vince `deater` Weaver
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; this version based on fast c64 code by serato_fig
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; as posted to the sizecoding discord
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; based on his TIC-80 variant
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; originally was working off the BASIC code posted on the pouet forum
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; original effect by yuruyrau on twitter
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; 578 bytes = original color
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; 531 bytes = remove keyboard code
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; 527 bytes = inline sine gen
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; 523 bytes = optimize init a bit
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; 301 bytes = generate color lookup table
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; 297 bytes = optimize color lookup table
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; 282 bytes = optimize color shift
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; soft-switches
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KEYPRESS = $C000
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KEYRESET = $C010
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SET_GR = $C050
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SET_TEXT = $C051
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FULLGR = $C052
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TEXTGR = $C053
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PAGE1 = $C054
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PAGE2 = $C055
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; ROM routines
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;BKGND0 = $F3F4 ; clear current page to A
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;HGR2 = $F3D8 ; set hires page2 and clear $4000-$5fff
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;HGR = $F3E2 ; set hires page1 and clear $2000-$3fff
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;HPLOT0 = $F457 ; plot at (Y,X), (A)
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;HCOLOR1 = $F6F0 ; set HGR_COLOR to value in X
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;COLORTBL = $F6F6
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;WAIT = $FCA8 ; delay 1/2(26+27A+5A^2) us
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PLOT = $F800 ;; PLOT AT Y,A
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PLOT1 = $F80E ;; PLOT at (GBASL),Y (need MASK to be $0f or $f0)
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HLINE = $F819 ;; HLINE Y,$2C at A
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VLINE = $F828 ;; VLINE A,$2D at Y
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CLRSCR = $F832 ;; Clear low-res screen
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CLRTOP = $F836 ;; clear only top of low-res screen
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GBASCALC= $F847 ;; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
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SETCOL = $F864 ;; COLOR=A
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ROM_TEXT2COPY = $F962 ;; iigs
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SETTXT = $FB36
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SETGR = $FB40
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; zero page
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GBASL = $26
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GBASH = $27
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MASK = $2E
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COLOR = $30
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HPLOTYL = $92
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I = $D0
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J = $D1
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T = $D7
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U = $D8
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V = $D9
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HGR_PAGE = $E6
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INL = $FC
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INH = $FD
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OUTL = $FE
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OUTH = $FF
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sines = $6c00
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sines2 = $6d00
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cosines = $6e00
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cosines2= $6f00
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color_map = $1000
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bubble_gr:
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;=======================
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; init graphics
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;=======================
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jsr SETGR
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bit FULLGR
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;========================
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; setup lookup tables
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;========================
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;========================
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; color lookup
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;========================
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; 34 bytes originally
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; 30 updated
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ldy #0 ; y=0; ; 2
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loop2:
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lda #0 ; a=0; ; 2
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loop1:
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ldx #0 ; 2
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xloop:
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clc ; 1
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sta color_map,Y ; values[y]=a; ; 3
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beq skip ; 2
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adc #$10 ; a+=16 ; 2
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skip:
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iny ; 1
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inx ; 1
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cpx #16 ; 2
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bne xloop ; 2
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; sec
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adc #$10 ; carry set here ; 2
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cpy #16 ; 2
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beq loop2 ; 2
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cpy #0 ; 2
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bne loop1 ; 2
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.if 0
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ldy #0 ; 2
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xloop:
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ldx #15 ; 2
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loop:
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tya ; 1
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sec ; 1
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sbc #$11 ; 2
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cpx #15 ; 2
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bne skip2 ; 2
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and #$f0 ; 2
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clc ; 1
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adc #$10 ; 2
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skip2:
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cpy #16 ; 2
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bcs skip ; 2
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and #$f ; 2
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skip:
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sta color_map,Y ; 3
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iny ; 1
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beq done ; 2
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dex ; 1
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bmi xloop ; 2
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bpl loop ; 2
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done:
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.endif
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;==========================
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; make sine/cosine tables
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;==========================
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; floor(s*sin((x-96)*PI*2/256.0)+48.5);
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; note: min=7, around 32
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; max=89 ($59), around 160
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; subtract 7, so 0...82? halfway = 41 = $29 + 7 = $30
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; halfway= 6*16 = 96
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;===================================
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;
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;
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; final_sine[i]=quarter_sine[i]; // 0..64
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; final_sine[128-i]=quarter_sine[i]; // 64..128
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; final_sine[128+i]=0x60-quarter_sine[i]; // 128..192
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; final_sine[256-i]=0x60-quarter_sine[i]; // 192..256
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setup_sine_table:
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ldy #64
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ldx #64
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setup_sine_loop:
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lda sines_base,Y
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sta sines,Y
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sta sines2,Y
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sta sines,X
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sta sines2,X
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lda #$60
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sec
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sbc sines_base,Y
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sta sines+128,Y
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sta sines2+128,Y
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sta sines+128,X
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sta sines2+128,X
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inx
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dey
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bpl setup_sine_loop
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; Y is $FF here?
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iny
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; ldy #0
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cosine_loop:
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lda sines+192,Y
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sta cosines,Y
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sta cosines2,Y
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iny
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bne cosine_loop
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; Y is 0 here?
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;=======================
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; init variables
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;=======================
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;
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; lda #0
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sty U
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sty V
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sty T
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sty INL
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dey ; Y=$FF (color white)
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sty COLOR
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;=========================
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;=========================
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; main loop
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;=========================
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;=========================
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next_frame:
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; reset I*T
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lda T
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sta it1_smc+1
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sta it2_smc+1
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; reset I*S
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lda #0
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sta is1_smc+1
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sta is2_smc+1
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num1_smc:
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lda #13 ; 13
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sta I
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i_loop:
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num2_smc:
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lda #$18 ; 24
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sta J
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j_loop:
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ldx U
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ldy V
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; where S=41 (approximately 1/6.28)
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clc ; 2
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; calc: b=i+t+u;
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; u=cosines[a]+cosines[b];
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is2_smc:
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lda cosines,Y ; 4+
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it2_smc:
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adc cosines,X ; 4+
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sta V
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; calc: a=i*s+v;
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; u=sines[a]+sines[b];
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is1_smc:
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lda sines,Y ; 4+
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it1_smc:
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adc sines,X ; 4+
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sta U ; 3
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;===========================================================
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; original code is centered at 96,96 (on hypothetical 192x192 screen)
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; we adjust to be 40x48 window centered at 48,48
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; PLOT U-48,V-48
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; U already in A
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; sec
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sbc #48
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tay ; 2
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bmi no_plot
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cpy #40
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bcs no_plot
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; calculate Ypos
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lda V
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; sec
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sbc #48
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bmi no_plot
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cmp #48
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bcs no_plot
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;PLOT = $F800 ;; PLOT AT Y,A
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jsr PLOT
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no_plot:
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dec J
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bne j_loop
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done_j:
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lda is1_smc+1
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clc
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adc #41 ; 1/6.28 = 0.16 = 0 0 1 0 1 0 0 0 = 0x28
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sta is1_smc+1
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sta is2_smc+1
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dec I
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bne i_loop
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done_i:
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; sty V
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inc T
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end:
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flip_pages:
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; flip pages
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; if $20 (draw PAGE1) draw PAGE2, SHOW page1
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; if $40 (draw PAGE2) draw PAGE1, SHOW page2
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; lda HGR_PAGE
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; eor #$60
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; sta HGR_PAGE
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; cmp #$40
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; bne flip2
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;flip1:
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; bit PAGE1
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; lda #0
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; jsr BKGND0
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; jsr hgr_page2_clearscreen
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; jmp next_frame
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;flip2:
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; bit PAGE2
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; lda #0
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; jsr BKGND0
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; jsr hgr_page1_clearscreen
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; jsr SETGR
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ldy #$0
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lda #4
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sta INH
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clear_loop:
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lda (INL),Y
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tax
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lda color_map,X
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sta (INL),Y
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iny
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bne clear_loop
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inc INH
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lda INH
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cmp #$8
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bne clear_loop
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.if 0
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ldx $400,Y
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lda color_map,X
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sta $400,Y
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ldx $500,Y
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lda color_map,X
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sta $500,Y
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ldx $600,Y
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lda color_map,X
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sta $600,Y
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ldx $700,Y
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lda color_map,X
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sta $700,Y
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dey
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bne clear_loop
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.endif
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beq next_frame ; just out of range...
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sines_base:
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.byte $30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F
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.byte $40,$41,$42,$42,$43,$44,$45,$46,$47,$48,$48,$49,$4A,$4B,$4C,$4C
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.byte $4D,$4E,$4E,$4F,$50,$50,$51,$52,$52,$53,$53,$54,$54,$55,$55,$55
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.byte $56,$56,$57,$57,$57,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59
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.byte $59
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.if 0
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sines_base:
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.byte $2F,$30,$31,$33,$34,$35,$36,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F,$40
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.byte $41,$42,$43,$44,$45,$46,$47,$48,$49,$4A,$4A,$4B,$4C,$4D,$4D,$4E
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.byte $4F,$4F,$50,$51,$51,$52,$52,$53,$53,$54,$54,$55,$55,$56,$56,$56
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.byte $57,$57,$57,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59,$59,$59,$59
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.byte $59
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.endif
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.if 0
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sines_base:
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.byte $2F,$2f,$31,$31,$34,$34,$36,$36,$39,$39,$3B,$3B,$3D,$3D,$3F,$3F
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.byte $41,$41,$43,$43,$45,$45,$47,$47,$49,$49,$4A,$4A,$4C,$4C,$4D,$4D
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.byte $4F,$4F,$50,$50,$51,$51,$52,$52,$53,$53,$54,$54,$55,$55,$56,$56
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.byte $57,$57,$58,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59,$59,$59
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.byte $59
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.endif
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.if 0
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sines_base:
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.byte $1A,$1C,$1E,$20,$22,$24,$26,$28,$29,$2B,$2D,$2F,$30,$32,$33,$35
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.byte $36,$38,$39,$3B,$3C,$3E,$3F,$40,$41,$43,$44,$45,$46,$47,$48,$49
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.byte $4A,$4B,$4C,$4D,$4E,$4F,$50,$51,$51,$52,$53,$54,$54,$55,$55,$56
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.byte $56,$57,$57,$58,$58,$59,$59,$59,$59,$5A,$5A,$5A,$5A,$5A,$5A,$5A
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.byte $5A
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.endif
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; floor(s*cos((x-96)*PI*2/256.0)+48.5);
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.if 0
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color_map:
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; 00 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
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.byte $00,$00,$10,$20,$30,$40,$50,$60,$70,$80,$90,$A0,$B0,$C0,$D0,$E0 ;0
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.byte $00,$00,$10,$20,$30,$40,$50,$60,$70,$80,$90,$A0,$B0,$C0,$D0,$E0 ;1
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.byte $01,$01,$11,$21,$31,$41,$51,$61,$71,$81,$91,$A1,$B1,$C1,$D0,$E1 ;2
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.byte $02,$02,$12,$22,$32,$42,$52,$62,$72,$82,$92,$A2,$B2,$C2,$D2,$E2 ;3
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.byte $03,$03,$13,$23,$33,$43,$53,$63,$73,$83,$93,$A3,$B3,$C3,$D3,$E3 ;4
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.byte $04,$04,$14,$24,$34,$44,$54,$64,$74,$84,$94,$A4,$B4,$C4,$D4,$E4 ;5
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.byte $05,$05,$15,$25,$35,$45,$55,$65,$75,$85,$95,$A5,$B5,$C5,$D5,$E5 ;6
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.byte $06,$06,$16,$26,$36,$46,$56,$66,$76,$86,$96,$A6,$B6,$C6,$D6,$E6 ;7
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.byte $07,$07,$17,$27,$37,$47,$57,$67,$77,$87,$97,$A7,$B7,$C7,$D7,$E7 ;8
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.byte $08,$08,$18,$28,$38,$48,$58,$68,$78,$88,$98,$A8,$B8,$C8,$D8,$E8 ;9
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.byte $09,$09,$19,$29,$39,$49,$59,$69,$79,$89,$99,$A9,$B9,$C9,$D9,$E9 ;A
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.byte $0A,$0A,$1A,$2A,$3A,$4A,$5A,$6A,$7A,$8A,$9A,$AA,$BA,$CA,$DA,$EA ;B
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.byte $0B,$0B,$1B,$2B,$3B,$4B,$5B,$6B,$7B,$8B,$9B,$AB,$BB,$CB,$DB,$EB ;C
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.byte $0C,$0C,$1C,$2C,$3C,$4C,$5C,$6C,$7C,$8C,$9C,$AC,$BC,$CC,$DC,$EC ;D
|
||||
.byte $0D,$0D,$1D,$2D,$3D,$4D,$5D,$6D,$7D,$8D,$9D,$AD,$BD,$CD,$DD,$ED ;E
|
||||
.byte $0E,$0E,$1E,$2E,$3E,$4E,$5E,$6E,$7E,$8E,$9E,$AE,$BE,$CE,$DE,$EE ;F
|
||||
.endif
|
||||
|
||||
@ -16,6 +16,8 @@
|
||||
; 301 bytes = generate color lookup table
|
||||
; 297 bytes = optimize color lookup table
|
||||
; 282 bytes = optimize color shift
|
||||
; 266 bytes = reduce resolution of sine table x2
|
||||
; 260 bytes = shave off some bytes with unneeded compares
|
||||
|
||||
; soft-switches
|
||||
|
||||
@ -78,6 +80,8 @@ INH = $FD
|
||||
OUTL = $FE
|
||||
OUTH = $FF
|
||||
|
||||
SINES_BASE = $C0
|
||||
|
||||
sines = $6c00
|
||||
sines2 = $6d00
|
||||
cosines = $6e00
|
||||
@ -105,71 +109,37 @@ bubble_gr:
|
||||
; 34 bytes originally
|
||||
; 30 updated
|
||||
|
||||
ldy #0 ; y=0;
|
||||
ldx #0 ; x=0; ; 2
|
||||
loop2:
|
||||
lda #0 ; a=0;
|
||||
lda #0 ; a=0; ; 2
|
||||
loop1:
|
||||
sta color_map,Y ; values[y]=a;
|
||||
iny ; y++;
|
||||
|
||||
ldx #15
|
||||
xloop:
|
||||
sta color_map,Y ; values[y]=a;
|
||||
clc
|
||||
adc #$10 ; a+=16
|
||||
iny
|
||||
dex
|
||||
bne xloop
|
||||
|
||||
; clc
|
||||
adc #$11
|
||||
|
||||
cpy #16
|
||||
beq loop2
|
||||
cpy #0
|
||||
bne loop1
|
||||
|
||||
.if 0
|
||||
ldy #0 ; 2
|
||||
xloop:
|
||||
ldx #15 ; 2
|
||||
loop:
|
||||
tya ; 1
|
||||
sec ; 1
|
||||
sbc #$11 ; 2
|
||||
|
||||
cpx #15 ; 2
|
||||
bne skip2 ; 2
|
||||
and #$f0 ; 2
|
||||
clc ; 1
|
||||
adc #$10 ; 2
|
||||
|
||||
skip2:
|
||||
|
||||
cpy #16 ; 2
|
||||
bcs skip ; 2
|
||||
and #$f ; 2
|
||||
ldy #0 ; 2
|
||||
yloop:
|
||||
clc ; 1
|
||||
sta color_map,X ; values[y]=a; ; 3
|
||||
beq skip ; 2
|
||||
adc #$10 ; a+=16 ; 2
|
||||
skip:
|
||||
sta color_map,Y ; 3
|
||||
iny ; 1
|
||||
beq done ; 2
|
||||
dex ; 1
|
||||
bmi xloop ; 2
|
||||
bpl loop ; 2
|
||||
done:
|
||||
.endif
|
||||
inx ; 1
|
||||
iny ; 1
|
||||
cpy #16 ; 2
|
||||
bne yloop ; 2
|
||||
|
||||
; sec
|
||||
adc #$10 ; carry set here ; 2
|
||||
|
||||
cpx #16 ; 2
|
||||
beq loop2 ; 2
|
||||
cpx #0 ; 2
|
||||
bne loop1 ; 2
|
||||
|
||||
; X=0 here
|
||||
|
||||
;==========================
|
||||
; make sine/cosine tables
|
||||
;==========================
|
||||
|
||||
; floor(s*sin((x-96)*PI*2/256.0)+48.5);
|
||||
|
||||
; note: min=7, around 32
|
||||
; max=89 ($59), around 160
|
||||
; subtract 7, so 0...82? halfway = 41 = $29 + 7 = $30
|
||||
; halfway= 6*16 = 96
|
||||
|
||||
|
||||
; floor(s*sin((x-96)*PI*2/256.0)+48.5);
|
||||
|
||||
;===================================
|
||||
;
|
||||
@ -181,42 +151,56 @@ done:
|
||||
|
||||
setup_sine_table:
|
||||
|
||||
ldy #64
|
||||
; spread sine table
|
||||
ldy #32
|
||||
; ldx #0
|
||||
spread_loop:
|
||||
lda sines_base,Y
|
||||
sta SINES_BASE,X
|
||||
inx
|
||||
sta SINES_BASE,X
|
||||
inx
|
||||
dey
|
||||
bne spread_loop
|
||||
|
||||
|
||||
ldx #64
|
||||
ldy #64
|
||||
setup_sine_loop:
|
||||
|
||||
lda sines_base,Y
|
||||
sta sines,Y
|
||||
sta sines2,Y
|
||||
lda SINES_BASE,X
|
||||
|
||||
sta sines,X
|
||||
sta sines2,X
|
||||
sta sines,Y
|
||||
sta sines2,Y
|
||||
|
||||
lda #$60
|
||||
sec
|
||||
sbc sines_base,Y
|
||||
sbc SINES_BASE,X
|
||||
|
||||
sta sines+128,Y
|
||||
sta sines2+128,Y
|
||||
sta sines+128,X
|
||||
sta sines2+128,X
|
||||
sta sines+128,Y
|
||||
sta sines2+128,Y
|
||||
|
||||
inx
|
||||
dey
|
||||
iny
|
||||
dex
|
||||
bpl setup_sine_loop
|
||||
|
||||
; Y is $FF here?
|
||||
; X is $FF here?
|
||||
|
||||
iny
|
||||
inx
|
||||
|
||||
; ldy #0
|
||||
; ldx #0
|
||||
cosine_loop:
|
||||
lda sines+192,Y
|
||||
sta cosines,Y
|
||||
sta cosines2,Y
|
||||
iny
|
||||
lda sines+192,X
|
||||
sta cosines,X
|
||||
sta cosines2,X
|
||||
inx
|
||||
bne cosine_loop
|
||||
|
||||
; Y is 0 here?
|
||||
; X is 0 here?
|
||||
|
||||
;=======================
|
||||
; init variables
|
||||
@ -224,13 +208,13 @@ cosine_loop:
|
||||
;
|
||||
|
||||
; lda #0
|
||||
sty U
|
||||
sty V
|
||||
sty T
|
||||
sty INL
|
||||
stx U
|
||||
stx V
|
||||
stx T
|
||||
stx INL
|
||||
|
||||
dey ; Y=FF (color white)
|
||||
sty COLOR
|
||||
dex ; Y=$FF (color white)
|
||||
stx COLOR
|
||||
|
||||
;=========================
|
||||
;=========================
|
||||
@ -286,24 +270,25 @@ it1_smc:
|
||||
sta U ; 3
|
||||
|
||||
;===========================================================
|
||||
; HPLOT U+44,V+96
|
||||
; original code is centered at 96,96 (on hypothetical 192x192 screen)
|
||||
|
||||
; PLOT U+20,V+20
|
||||
; we adjust to be 40x48 window centered at 48,48
|
||||
|
||||
; U is centered at 96, to get to center of 280 screen add 44
|
||||
; PLOT U-48,V-48
|
||||
|
||||
; U already in A
|
||||
|
||||
; sec
|
||||
sbc #48
|
||||
tay ; 2
|
||||
bmi no_plot
|
||||
; bmi no_plot
|
||||
cpy #40
|
||||
bcs no_plot
|
||||
|
||||
; calculate Ypos
|
||||
lda V
|
||||
; sec
|
||||
sbc #48
|
||||
bmi no_plot
|
||||
; bmi no_plot
|
||||
cmp #48
|
||||
bcs no_plot
|
||||
|
||||
@ -331,105 +316,76 @@ done_i:
|
||||
|
||||
end:
|
||||
|
||||
|
||||
|
||||
flip_pages:
|
||||
; flip pages
|
||||
|
||||
; if $20 (draw PAGE1) draw PAGE2, SHOW page1
|
||||
; if $40 (draw PAGE2) draw PAGE1, SHOW page2
|
||||
|
||||
; lda HGR_PAGE
|
||||
; eor #$60
|
||||
; sta HGR_PAGE
|
||||
|
||||
; cmp #$40
|
||||
; bne flip2
|
||||
;flip1:
|
||||
; bit PAGE1
|
||||
; lda #0
|
||||
; jsr BKGND0
|
||||
; jsr hgr_page2_clearscreen
|
||||
; jmp next_frame
|
||||
;flip2:
|
||||
; bit PAGE2
|
||||
; lda #0
|
||||
; jsr BKGND0
|
||||
; jsr hgr_page1_clearscreen
|
||||
|
||||
; jsr SETGR
|
||||
|
||||
;=================
|
||||
; cycle colors
|
||||
|
||||
ldy #$0
|
||||
lda #4
|
||||
sta INH
|
||||
clear_loop:
|
||||
cycle_color_loop:
|
||||
lda (INL),Y
|
||||
tax
|
||||
lda color_map,X
|
||||
sta (INL),Y
|
||||
iny
|
||||
bne clear_loop
|
||||
bne cycle_color_loop
|
||||
|
||||
; need to do this for pages 4-7
|
||||
|
||||
inc INH
|
||||
lda INH
|
||||
cmp #$8
|
||||
bne clear_loop
|
||||
|
||||
.if 0
|
||||
ldx $400,Y
|
||||
lda color_map,X
|
||||
sta $400,Y
|
||||
|
||||
ldx $500,Y
|
||||
lda color_map,X
|
||||
sta $500,Y
|
||||
|
||||
ldx $600,Y
|
||||
lda color_map,X
|
||||
sta $600,Y
|
||||
|
||||
ldx $700,Y
|
||||
lda color_map,X
|
||||
sta $700,Y
|
||||
dey
|
||||
bne clear_loop
|
||||
.endif
|
||||
bne cycle_color_loop
|
||||
|
||||
beq next_frame ; just out of range...
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
; original
|
||||
.if 0
|
||||
sines_base:
|
||||
.byte $30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F
|
||||
.byte $40,$41,$42,$42,$43,$44,$45,$46,$47,$48,$48,$49,$4A,$4B,$4C,$4C
|
||||
.byte $4D,$4E,$4E,$4F,$50,$50,$51,$52,$52,$53,$53,$54,$54,$55,$55,$55
|
||||
.byte $56,$56,$57,$57,$57,$58,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59
|
||||
.byte $59
|
||||
.endif
|
||||
|
||||
; half as many points
|
||||
.if 0
|
||||
sines_base:
|
||||
.byte $30,$32,$34,$36,$38,$3A,$3C,$3E
|
||||
.byte $40,$42,$43,$45,$47,$48,$4A,$4C
|
||||
.byte $4D,$4E,$50,$51,$52,$53,$54,$55
|
||||
.byte $56,$57,$57,$58,$58,$59,$59,$59
|
||||
.byte $59
|
||||
.endif
|
||||
|
||||
sines_base_reverse:
|
||||
sines_base:
|
||||
.byte $59
|
||||
.byte $59,$59,$59,$58, $58,$57,$57,$56
|
||||
.byte $55,$54,$53,$52, $51,$50,$4E,$4D
|
||||
.byte $4C,$4A,$48,$47, $45,$43,$42,$40
|
||||
.byte $3E,$3C,$3A,$38, $36,$34,$32,$30
|
||||
|
||||
.if 0
|
||||
; 26 - x^2/64+2x
|
||||
sines_base:
|
||||
.byte $2F,$30,$31,$33,$34,$35,$36,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F,$40
|
||||
.byte $41,$42,$43,$44,$45,$46,$47,$48,$49,$4A,$4A,$4B,$4C,$4D,$4D,$4E
|
||||
.byte $4F,$4F,$50,$51,$51,$52,$52,$53,$53,$54,$54,$55,$55,$56,$56,$56
|
||||
.byte $57,$57,$57,$58,$58,$58,$58,$59,$59,$59,$59,$59,$59,$59,$59,$59
|
||||
.byte $59
|
||||
.endif
|
||||
|
||||
.if 0
|
||||
sines_base:
|
||||
.byte $1A,$1C,$1E,$20,$22,$24,$26,$28,$29,$2B,$2D,$2F,$30,$32,$33,$35
|
||||
.byte $36,$38,$39,$3B,$3C,$3E,$3F,$40,$41,$43,$44,$45,$46,$47,$48,$49
|
||||
.byte $4A,$4B,$4C,$4D,$4E,$4F,$50,$51,$51,$52,$53,$54,$54,$55,$55,$56
|
||||
.byte $56,$57,$57,$58,$58,$59,$59,$59,$59,$5A,$5A,$5A,$5A,$5A,$5A,$5A
|
||||
.byte $5A
|
||||
.endif
|
||||
|
||||
; floor(s*cos((x-96)*PI*2/256.0)+48.5);
|
||||
|
||||
.if 0
|
||||
color_map:
|
||||
; 00 10 20 30 40 50 60 70 80 90 A0 B0 C0 D0 E0 F0
|
||||
.byte $00,$00,$10,$20,$30,$40,$50,$60,$70,$80,$90,$A0,$B0,$C0,$D0,$E0 ;0
|
||||
.byte $00,$00,$10,$20,$30,$40,$50,$60,$70,$80,$90,$A0,$B0,$C0,$D0,$E0 ;1
|
||||
.byte $01,$01,$11,$21,$31,$41,$51,$61,$71,$81,$91,$A1,$B1,$C1,$D0,$E1 ;2
|
||||
.byte $02,$02,$12,$22,$32,$42,$52,$62,$72,$82,$92,$A2,$B2,$C2,$D2,$E2 ;3
|
||||
.byte $03,$03,$13,$23,$33,$43,$53,$63,$73,$83,$93,$A3,$B3,$C3,$D3,$E3 ;4
|
||||
.byte $04,$04,$14,$24,$34,$44,$54,$64,$74,$84,$94,$A4,$B4,$C4,$D4,$E4 ;5
|
||||
.byte $05,$05,$15,$25,$35,$45,$55,$65,$75,$85,$95,$A5,$B5,$C5,$D5,$E5 ;6
|
||||
.byte $06,$06,$16,$26,$36,$46,$56,$66,$76,$86,$96,$A6,$B6,$C6,$D6,$E6 ;7
|
||||
.byte $07,$07,$17,$27,$37,$47,$57,$67,$77,$87,$97,$A7,$B7,$C7,$D7,$E7 ;8
|
||||
.byte $08,$08,$18,$28,$38,$48,$58,$68,$78,$88,$98,$A8,$B8,$C8,$D8,$E8 ;9
|
||||
.byte $09,$09,$19,$29,$39,$49,$59,$69,$79,$89,$99,$A9,$B9,$C9,$D9,$E9 ;A
|
||||
.byte $0A,$0A,$1A,$2A,$3A,$4A,$5A,$6A,$7A,$8A,$9A,$AA,$BA,$CA,$DA,$EA ;B
|
||||
.byte $0B,$0B,$1B,$2B,$3B,$4B,$5B,$6B,$7B,$8B,$9B,$AB,$BB,$CB,$DB,$EB ;C
|
||||
.byte $0C,$0C,$1C,$2C,$3C,$4C,$5C,$6C,$7C,$8C,$9C,$AC,$BC,$CC,$DC,$EC ;D
|
||||
.byte $0D,$0D,$1D,$2D,$3D,$4D,$5D,$6D,$7D,$8D,$9D,$AD,$BD,$CD,$DD,$ED ;E
|
||||
.byte $0E,$0E,$1E,$2E,$3E,$4E,$5E,$6E,$7E,$8E,$9E,$AE,$BE,$CE,$DE,$EE ;F
|
||||
.endif
|
||||
|
||||
|
||||
@ -84,7 +84,18 @@ loop1:
|
||||
if (x%16==0) printf("\n");
|
||||
printf("$%02X ",values[x]);
|
||||
}
|
||||
printf("\n");
|
||||
printf("\n\n");
|
||||
|
||||
int newx;
|
||||
for(x=0;x<64;x++) {
|
||||
|
||||
newx=(x-64);
|
||||
printf("$%02X,",89-(newx*newx)/96);
|
||||
// printf("$%02X,",26-(x*x)/64+2*x);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user