static void UltraPlayer(void)
{
int i, t, control;
unsigned int start;
struct VOICE *voice;
md_player();
for (t = 0; t < md_numchn; t++) {
voice = &voices[t];
if (voice->kick) {
voice->kick = 0;
if (voice->start > 0)
gus_do_voice_start_position(t, voice->handle, voice->freq, voice->vol << 8, voice->pan << 6, voice->start << 4);
else
gus_do_voice_start(t, voice->handle, voice->freq, voice->vol << 8, voice->pan << 6);
} else {
if (voice->changes & CH_FREQ)
gus_do_voice_frequency(t, voice->freq);
if (voice->changes & CH_VOL);
gus_do_voice_volume(t, voice->vol << 8);
if (voice->changes & CH_PAN)
gus_do_voice_pan(t, voice->pan << 6);
}
voice->changes = 0;
}
gus_do_wait(1);
}
void VC_WriteSamples(char *buf,UWORD todo)
{
int t;
UWORD part;
while(todo>0){
if(TICKLEFT==0){
md_player();
TICKLEFT=(125L*md_mixfreq)/(50L*md_bpm);
/* compute volume, frequency counter & panning parameters for each channel. */
for(t=0;t<md_numchn;t++){
int pan,vol,lvol,rvol;
if(vinf[t].kick){
vinf[t].current=(vinf[t].start << FRACBITS);
vinf[t].active=1;
vinf[t].kick=0;
}
if(vinf[t].frq==0) vinf[t].active=0;
if(vinf[t].active){
vinf[t].increment=fraction2long(vinf[t].frq,md_mixfreq);
if(vinf[t].flags & SF_REVERSE) vinf[t].increment=-vinf[t].increment;
vol=vinf[t].vol;
pan=vinf[t].pan;
if(md_mode & DMODE_STEREO){
lvol= ( vol * (255-pan) ) / 255;
rvol= ( vol * pan ) / 255;
vinf[t].lvolmul=(maxvol*lvol)/64;
vinf[t].rvolmul=(maxvol*rvol)/64;
}
else{
vinf[t].lvolmul=(maxvol*vol)/64;
}
}
}
}
part=min(TICKLEFT,todo);
VC_WritePortion(buf,part);
TICKLEFT-=part;
todo-=part;
buf+=samples2bytes(part);
}
}
static void NDS_HW_Update()
{
/* TODO should be called md_bpm/2.5 times per second? */
md_player();
int i;
DC_FlushRange(ipc, sizeof(*ipc));
for(i = 0; i < NDS_HW_MAXVOICES; i++) {
NDS_HW_VOICE* v = ipc->voices + i;
if(v->changes != 0) {
MikMod9_SendCommand(
(NDS_HW_CMD_VOICE_UPDATE << 28) |
(v->changes << 8) |
i);
v->changes = 0;
}
}
}
