Routines
Prev: FC6C Up: Map Next: FC84
FC78: Wait For Key With Menu Music
Used by the routines at MainMenu_ChooseLearnerOrSuper, MainMenu_SelectOptions and Pulse_MenuTiming.
Disable interrupts and wait until KEY_SCAN reports a key, playing one Play_MenuMusicTick music tick per loop. Game start falls through from Seed_MenuMusicAndWaitForKey; the menu calls this entry for a single wait tick.
Wait_KeyWithMenuMusic FC78 DI Disable interrupts.
Key-scan wait loop with menu music.
Wait_KeyWithMenuMusic_Loop FC79 CALL Play_MenuMusicTick Call Play_MenuMusicTick to play one menu-music tick.
FC7C CALL $028E Call KEY_SCAN.
FC7F INC E Increment E by one (KEY_SCAN returns FF in E when no key).
FC80 JR Z,Wait_KeyWithMenuMusic_Loop Jump to Wait_KeyWithMenuMusic_Loop if E wrapped to 00 (no key yet).
FC82 NOP No operation.
FC83 RET Return.
Prev: FC6C Up: Map Next: FC84