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38 lines
740 B
NASM
38 lines
740 B
NASM
OneHitKOEffect_:
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ld hl, wDamage
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xor a
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ld [hli], a
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ld [hl], a ; set the damage output to zero
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dec a
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ld [wCriticalHitOrOHKO], a
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ld hl, wBattleMonSpeed + 1
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ld de, wEnemyMonSpeed + 1
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ld a, [H_WHOSETURN]
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and a
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jr z, .compareSpeed
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ld hl, wEnemyMonSpeed + 1
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ld de, wBattleMonSpeed + 1
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.compareSpeed
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; set damage to 65535 and OHKO flag is the user's current speed is higher than the target's
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ld a, [de]
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dec de
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ld b, a
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ld a, [hld]
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sub b
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ld a, [de]
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ld b, a
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ld a, [hl]
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sbc b
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jr c, .userIsSlower
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ld hl, wDamage
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ld a, $ff
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ld [hli], a
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ld [hl], a
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ld a, $2
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ld [wCriticalHitOrOHKO], a
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ret
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.userIsSlower
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; keep damage at 0 and set move missed flag if target's current speed is higher instead
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ld a, $1
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ld [wMoveMissed], a
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ret
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