ref: a1498e63e27d651ef85fdfc7bcc255d67fb04d57
dir: /engine/battle/move_effects/focus_energy.asm/
BattleCommand_FocusEnergy: ld a, BATTLE_VARS_SUBSTATUS4 call GetBattleVarAddr bit SUBSTATUS_FOCUS_ENERGY, [hl] jr nz, .already_pumped set SUBSTATUS_FOCUS_ENERGY, [hl] call AnimateCurrentMove ld hl, GettingPumpedText jp StdBattleTextbox .already_pumped call AnimateFailedMove jp PrintButItFailed