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waterfall: all four sprite cases timed right now, with 11 cycles to spare

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Vince Weaver
2018-08-02 22:15:00 -04:00
parent 77f45cc4d9
commit 84b72e821e
1 changed files with 12 additions and 1 deletions
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13
waterfall/waterfall.s
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@@ -285,7 +285,7 @@ bird_walk_right:
; 3
ldx #>bird_rider_walk_right ; 2
ldy #<bird_rider_walk_right ; 2
jmp draw_bird ; 3
jmp kill_less_time ; 3
bird_left:
; 3
@@ -302,6 +302,17 @@ bird_walk_left:
; 3
ldx #>bird_rider_walk_left ; 2
ldy #<bird_rider_walk_left ; 2
kill_time:
nop ; 2 ; need to kill 16
kill_less_time:
lda YPOS ; nop=3 ; need to kill 14
lda YPOS ; nop=3
lda YPOS ; nop=3
lda YPOS ; nop=3
nop ; 2
jmp draw_bird ; 3