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sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)

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This commit is contained in:
Rangi 2018-02-02 22:45:42 -05:00
parent f258ff8a41
commit 45373ec601
6 changed files with 21 additions and 23 deletions
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2
engine/battle/battle_transition.asm
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@ -789,7 +789,7 @@ StartTrainerBattle_DrawSineWave: ; 8c6f7 (23:46f7)
; 8c728 (23:4728)
.sinewave ; 8c728
sine_wave $100
sine_wave 32
; 8c768
StartTrainerBattle_ZoomToBlack: ; 8c768 (23:4768)

2
engine/battle_anims/functions.asm
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@ -4157,5 +4157,5 @@ BattleAnim_AbsCosinePrecise: ; ce778
; ce77f
BattleAnimSineWave: ; ce77f
sine_wave $100
sine_wave 32
; ce7bf

2
engine/events/celebi.asm
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@ -281,7 +281,7 @@ CelebiEvent_Cosine: ; 49b3b (12:5b3b)
; 49b6e (12:5b6e)
.sinewave ; 49b6e
sine_wave $100
sine_wave 32
; 49bae
GetCelebiSpriteTile: ; 49bae

2
engine/routines/sine.asm
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@ -45,4 +45,4 @@ _Sine:: ; 84d9
.sinewave ; 850b
; A $20-word table representing a sine wave.
; 90 degrees is index $10 at a base amplitude of $100.
sine_wave $100
sine_wave 32

2
engine/sprites.asm
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@ -620,7 +620,7 @@ Sprites_Sine: ; 8e72c
; 8e75d
.sinewave ; 8e75d
sine_wave $100
sine_wave 32
AnimateEndOfExpBar: ; 8e79d

8
macros/data.asm
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@ -112,12 +112,10 @@ ENDM
sine_wave: MACRO
; \1: amplitude
x = 0
rept $20
; Round up.
dw (sin(x) + (sin(x) & $ff)) >> 8
x = x + (\1) * $40000
rept \1
dw (sin(x) + (sin(x) & $ff)) >> 8 ; round up
x = x + (32768.0 / \1) ; a circle has 65536.0 "degrees"
endr
ENDM