int SPU_Init(int coreid, int buffersize)
{
int i, j;
//for(int i=0;i<256;i++)
// cos_lut[i] = cos(i/256.0*M_PI);
SPU_core = new SPU_struct(740);
SPU_Reset();
for(i = 0; i < 16; i++)
{
for(j = 0; j < 89; j++)
{
precalcdifftbl[j][i] = (((i & 0x7) * 2 + 1) * adpcmtbl[j] / 8);
if(i & 0x8) precalcdifftbl[j][i] = -precalcdifftbl[j][i];
}
}
for(i = 0; i < 8; i++)
{
for(j = 0; j < 89; j++)
{
precalcindextbl[j][i] = MinMax((j + indextbl[i]), 0, 88);
}
}
return SPU_ChangeSoundCore(coreid, buffersize);
}
//static double cos_lut[256];
int SPU_Init(int coreid, int buffersize)
{
int i, j;
//for some reason we dont use the cos lut anymore... did someone decide it was slow?
//for(int i=0;i<256;i++)
// cos_lut[i] = cos(i/256.0*M_PI);
SPU_core = new SPU_struct((int)ceil(samples_per_hline));
SPU_Reset();
//create adpcm decode accelerator lookups
for(i = 0; i < 16; i++)
{
for(j = 0; j < 89; j++)
{
precalcdifftbl[j][i] = (((i & 0x7) * 2 + 1) * adpcmtbl[j] / 8);
if(i & 0x8) precalcdifftbl[j][i] = -precalcdifftbl[j][i];
}
}
for(i = 0; i < 8; i++)
{
for(j = 0; j < 89; j++)
{
precalcindextbl[j][i] = MinMax((j + indextbl[i]), 0, 88);
}
}
return SPU_ChangeSoundCore(coreid, buffersize);
}
extern "C" int SPU_Init(NDS_state *state, int coreid, int buffersize)
{
int i, j;
//__asm int 3;
//for(int i=0;i<256;i++)
// cos_lut[i] = cos(i/256.0*M_PI);
state->SPU_core = new SPU_struct(state, 44100); //pick a really big number just to make sure the plugin doesnt request more
SPU_Reset(state);
for(i = 0; i < 16; i++)
{
for(j = 0; j < 89; j++)
{
precalcdifftbl[j][i] = (((i & 0x7) * 2 + 1) * adpcmtbl[j] / 8);
if(i & 0x8) precalcdifftbl[j][i] = -precalcdifftbl[j][i];
}
}
for(i = 0; i < 8; i++)
{
for(j = 0; j < 89; j++)
{
precalcindextbl[j][i] = MinMax((j + indextbl[i]), 0, 88);
}
}
//return SPU_ChangeSoundCore(coreid, buffersize);
return 0;
}
