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burn_ym2151.c
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burn_ym2151.c
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#include "burnint.h"
#include "burn_sound.h"
#include "burn_ym2151.h"
#include <stdarg.h>
//char buffer[80];
//int vspfunc(char *format, ...);
/*
int vspfunc(char *format, ...)
{
va_list aptr;
int ret;
va_start(aptr, format);
ret = vsprintf(buffer, format, aptr);
va_end(aptr);
return(ret);
}
*/
/*
void YM2151RenderNormal(INT16* pSoundBuf, INT32 nSegmentLength)
{
#if defined FBA_DEBUG
if (!DebugSnd_YM2151Initted) bprintf(PRINT_ERROR, _T("YM2151RenderNormal called without init\n"));
#endif
INT16* pBuffer = (INT16*)0x25a20000;//0x00200000;
nBurnPosition += nSegmentLength;
pYM2151Buffer[0] = pBuffer;
pYM2151Buffer[1] = pBuffer + nSegmentLength;
YM2151UpdateOne(0, pSoundBuf, nSegmentLength);
for (INT32 n = 0; n < nSegmentLength; n++) {
INT32 nLeftSample = 0, nRightSample = 0;
if ((YM2151RouteDirs[BURN_SND_YM2151_YM2151_ROUTE_1] & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
nLeftSample += (INT32)(pYM2151Buffer[0][n] * YM2151Volumes[BURN_SND_YM2151_YM2151_ROUTE_1]);
}
if ((YM2151RouteDirs[BURN_SND_YM2151_YM2151_ROUTE_1] & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
nRightSample += (INT32)(pYM2151Buffer[0][n] * YM2151Volumes[BURN_SND_YM2151_YM2151_ROUTE_1]);
}
if ((YM2151RouteDirs[BURN_SND_YM2151_YM2151_ROUTE_2] & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
nLeftSample += (INT32)(pYM2151Buffer[1][n] * YM2151Volumes[BURN_SND_YM2151_YM2151_ROUTE_2]);
}
if ((YM2151RouteDirs[BURN_SND_YM2151_YM2151_ROUTE_2] & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
nRightSample += (INT32)(pYM2151Buffer[1][n] * YM2151Volumes[BURN_SND_YM2151_YM2151_ROUTE_2]);
}
nLeftSample = BURN_SND_CLIP(nLeftSample);
nRightSample = BURN_SND_CLIP(nRightSample);
pSoundBuf[(n << 1) + 0] = nLeftSample;
pSoundBuf[(n << 1) + 1] = nRightSample;
}
}
*/
/*
void YM2151RenderNormalVBT(INT16* pSoundBuf, INT32 nSegmentLength)
{
// pBuffer = (INT16*)0x25a20000;//0x00200000;
// INT16* pBuffer = (INT16*)0x00200000;
// pYM2151Buffer[0] = pBuffer;
// pYM2151Buffer[1] = pBuffer + nSegmentLength;
YM2151UpdateOne(0, pSoundBuf, nSegmentLength);
}
*/