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bubble_gr: clean up comments

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Vince Weaver 2024-05-06 00:54:59 -04:00
parent 313dc4092a
commit 533e59c6f9
1 changed files with 7 additions and 12 deletions
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19
graphics/gr/bubble_universe/bubble_tiny64.s
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@ -1,9 +1,9 @@
; bubble universe tiny -- Apple II Lores ; cosmic fish
; cosmic fish? ; a variation on bubble universe tiny -- Apple II Lores
; what if you zoom into a bubble universe and it's full of ; what if you zoom into a bubble universe and it's full of
; angry bees ; space fish?
; by Vince `deater` Weaver ; by Vince `deater` Weaver
@ -39,6 +39,7 @@
; and the linear parts and $59 of sine table generated ; and the linear parts and $59 of sine table generated
; 260 bytes = modify panning to be more interesting ; 260 bytes = modify panning to be more interesting
; 258 bytes = make assumptions on value of Y ; 258 bytes = make assumptions on value of Y
; 256 bytes = extend linear adjust of sine table
; soft-switches ; soft-switches
@ -128,18 +129,13 @@ bubble_gr:
ldy #$19 ; offset ldy #$19 ; offset
ldx #$48 ; want to write $42 downto $30 ldx #$48 ; want to write $48 downto $30
; with $42 doubled
; ldy #$12 ; offset
; ldx #$42 ; want to write $42 downto $30
looper: looper:
txa txa
; sta sines-$30,X ; sines+12 .... sines
sta sines,Y ; sines+12 .... sines sta sines,Y ; sines+12 .... sines
lda #$59 lda #$59 ; also write $59 off the top
; sta fifty_nines-$30,X
sta fifty_nines,Y sta fifty_nines,Y
cpy #$13 ; we could save more bytes if we didn't cpy #$13 ; we could save more bytes if we didn't
@ -147,7 +143,6 @@ looper:
dex dex
skipper: skipper:
dey dey
; cpx #$2F
bpl looper bpl looper