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optimize fire some more

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Peter Ferrie 2019-06-01 01:49:16 -04:00 committed by Vince Weaver
parent c1f32e8cb3
commit 85c7341e26
1 changed files with 7 additions and 5 deletions
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12
pt3_player/fire.s
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@ -41,9 +41,10 @@ skip_inc_hi:
bne clear_fire_loop
lda #7
jsr fire_setline
;fall through
;jsr fire_setline
rts
;rts
@ -115,10 +116,11 @@ fire_fb_update_loop:
jsr random16 ; 40
; A randomly has either SEEDL or SEEDH here, I guess that's enough?
; get random number Q 0..3
; Q used to see if whether we grab same lower value or if decrement
lda SEEDL ; 3
and #$3 ; 2
sta FIRE_Q ; 3
@ -245,8 +247,8 @@ skip_fb2_inc1:
inx ; 2
cpx #(FIRE_YSIZE-1) ; 2
beq fire_update_done ; 2/3
jmp fire_fb_update ; 3
;beq fire_update_done ; 2/3
bne fire_fb_update ; 3
fire_update_done: