#include <revolution.h>
#include <revolution/syn.h>
typedef void (*SYNCallback)(AXVPB *axvpb, SYNSYNTH *synth, u8 midiChannel);
SYNCallback SYNSetUpdateCallback(SYNSYNTH *synth, SYNCallback callback);
| synth | Pointer to the user-initialized SYNSYNTH data structure. |
| callback | Callback to be registered. |
Pointer to the previous callback function.
SYNSetUpdateCallback() registers a user-application callback that is invoked every three milliseconds for each audio frame for the specified synthesizer.
Use this callback function when outputting a voice from the controller speaker via a synthesizer.
2006/08/03 Initial version.
CONFIDENTIAL