| Routines

FE75: Make a catapult sound effect

Used by the routine at F41F. Your browser doesn't support HTML5 audio. Here is a link to the audio instead.
FE75 | LD HL,$F812 | A=0x04 (initial border colour: green), H=0xF8 (pitch adjustment), L=0x12 (border alternates green/yellow), D=0x80 (duration), E=0x00 (initial pitch)
FE78 | LD DE,$8000
FE7B | LD A,$04
FE7D | JR $FE62 | Make the sound effect with these parameters