ref: 770d2fc4cb3368b237d8ba33dcd6e5d9f0740863
dir: /engine/battle/move_effects/spikes.asm/
BattleCommand_Spikes: ld hl, wEnemyScreens ldh a, [hBattleTurn] and a jr z, .got_screens ld hl, wPlayerScreens .got_screens ; Fails if spikes are already down! bit SCREENS_SPIKES, [hl] jr nz, .failed ; Nothing else stops it from working. set SCREENS_SPIKES, [hl] call AnimateCurrentMove ld hl, SpikesText jp StdBattleTextbox .failed jp FailMove