Routines
Prev: D4DC Up: Map Next: D4FB
D4F1: Send commands to AY-3-8912
Used by the routines at D36F, D390, D424, D473 and D4DC.
Input
D Register to write
E Data to write
D4F1 LD BC,$FFFD
D4F4 OUT (C),D
D4F6 LD B,$BF
D4F8 OUT (C),E
D4FA RET
Prev: D4DC Up: Map Next: D4FB