bubble_gr: trim out extraneous code
This commit is contained in:
Vince Weaver
parent
793611509d
commit
5c41d53724
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@ -29,42 +29,15 @@
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; soft-switches
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SPEAKER = $C030
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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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SINES_BASE = $C0
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@ -77,10 +50,6 @@ V = $D9
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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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@ -91,7 +60,6 @@ cosines2= $6f00
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color_map = $1000
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bubble_gr:
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;=======================
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@ -118,110 +86,6 @@ bubble_gr:
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; 29 improved
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.if 0
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ldx #0 ; init offset ; 2
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first_loop:
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lda #0 ; a=0; ; 2
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sta smc+1
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loop1:
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ldy #0 ; loop ; 2
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yloop:
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smc:
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lda #0 ; 1
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sta color_map,X ; values[y]=a; ; 3
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beq skip ; don't add first col ; 2
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inc smc+1 ; value+=1 ; 3
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skip:
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inx ; 1
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beq done ; 2
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cpx #16 ; 2
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beq first_loop ; repeat first loop ; 2
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iny ; 1
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cpy #16 ; 2
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bne yloop ; 2
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beq loop1 ; 2
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done:
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.endif
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.if 0
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ldx #0 ; x=0; ; 2
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first_loop:
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lda #0 ; a=0; ; 2
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loop1:
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ldy #0 ; 2
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yloop:
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clc ; 1
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sta color_map,X ; values[y]=a; ; 3
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beq skip ; don't add first col ; 2
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adc #$10 ; a+=16 ; 2
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skip:
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inx ; 1
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iny ; 1
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cpy #16 ; 2
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bne yloop ; 2
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; sec
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adc #$10 ; carry set here ; 2
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cpx #16 ; 2
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beq first_loop ; repeat first loop ; 2
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cpx #0 ; 2
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bne loop1 ; 2
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.endif
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.if 0
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; 10
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; 17
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lda #0
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tax
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loop2:
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ldy #0 ; 2
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loop:
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beq skip
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clc
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adc #1
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skip: ; 2
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sta color_map,X ; 3
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inx ; 1
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beq done ; 2
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iny ; 1
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cpy #15
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bne loop ; 2
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beq loop2 ; 2
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done:
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;loop:
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; lda smc+1 ; 3
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;smc:
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; sta color_map ; 3
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; inc smc+1 ; 3
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; bne loop ; 2
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; ldx #$EE
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; ldy #$FF
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;loop2:
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; lda color_map,X
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; sta color_map,Y
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; dex
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; dey
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; cpx #$11
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; bne loop2
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.endif
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.if 1
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;================
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; current best
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@ -254,7 +118,6 @@ yloop2:
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jmp yloop2 ; 3
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done:
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.endif
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; X=0 here
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@ -463,15 +326,6 @@ cycle_color_loop:
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lda color_map,X ; 3
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sta (INL),Y ; 2
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; inc INL ; 2
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; bne cycle_color_loop ; 2
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; inc INH ; 2
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; lda INH ; 2
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; cmp #8 ; 2
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; bne cycle_color_loop ; 2
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; beq next_frame ; bra ; 2
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iny ; 1
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bne cycle_color_loop ; 2
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@ -484,16 +338,6 @@ cycle_color_loop:
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beq next_frame ; bra ; 2
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; original
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.if 0
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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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.endif
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; half as many points
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sines_base:
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@ -503,34 +347,5 @@ sines_base:
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.byte $56,$57,$57,$58,$58,$59,$59,$59
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.byte $59
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.if 0
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sines_base_reverse:
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.byte $59
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.byte $59,$59,$59,$58, $58,$57,$57,$56
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.byte $55,$54,$53,$52, $51,$50,$4E,$4D
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.byte $4C,$4A,$48,$47, $45,$43,$42,$40
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.byte $3E,$3C,$3A,$38, $36,$34,$32,$30
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.endif
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.if 0
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; 26 - x^2/64+2x
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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 $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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