ref: b565e6a9dc5f54fad37f750ae546e2334a6c66e5
dir: /engine/battle/move_effects/sunny_day.asm/
BattleCommand_StartSun: ; startsun ld a, WEATHER_SUN ld [wBattleWeather], a ld a, 5 ld [wWeatherCount], a call AnimateCurrentMove ld hl, SunGotBrightText jp StdBattleTextBox