ShuriZma
/
fbneo
mirror of https://github.com/finalburnneo/FBNeo.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

dac.cpp - buzzfix hack + unhackfix d_armedf.cpp

This commit is contained in:
dinkc64 2014-11-01 19:47:04 +00:00
parent b6cf999e4a
commit da19924c50
2 changed files with 24 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/burn/drv/pre90s/d_armedf.cpp
View File

@ -559,11 +559,11 @@ void __fastcall armedf_write_port(UINT16 port, UINT8 data)
return;
case 0x02:
if (data!=0x7f && data!=0x77 && data!=0x80) DACSignedWrite(0, data);
DACSignedWrite(0, data);
return;
case 0x03:
if (data!=0x7f && data!=0x77 && data!=0x80) DACSignedWrite(1, data);
DACSignedWrite(1, data);
return;
}
}

41
src/burn/snd/dac.cpp
View File

@ -38,33 +38,33 @@ static void UpdateStream(INT32 chip, INT32 length)
memset (rBuffer, 0, nBurnSoundLen * sizeof(INT16));
}
ptr = &dac_table[chip];
if (ptr->Initialized == 0) return;
ptr = &dac_table[chip];
if (ptr->Initialized == 0) return;
if (length > nBurnSoundLen) length = nBurnSoundLen;
length -= ptr->nCurrentPosition;
if (length <= 0) return;
if (length > nBurnSoundLen) length = nBurnSoundLen;
length -= ptr->nCurrentPosition;
if (length <= 0) return;
INT16 *lbuf = lBuffer + ptr->nCurrentPosition;
INT16 *lbuf = lBuffer + ptr->nCurrentPosition;
INT16 *rbuf = rBuffer + ptr->nCurrentPosition;
INT16 lOut = ((ptr->OutputDir & BURN_SND_ROUTE_LEFT ) == BURN_SND_ROUTE_LEFT ) ? ptr->Output : 0;
INT16 rOut = ((ptr->OutputDir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) ? ptr->Output : 0;
INT16 rOut = ((ptr->OutputDir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) ? ptr->Output : 0;
ptr->nCurrentPosition += length;
ptr->nCurrentPosition += length;
if (rOut && lOut) {
while (length--) {
// *lbuf++ = *lbuf + lOut;
// *rbuf++ = *rbuf + rOut;
*lbuf++ = BURN_SND_CLIP(*lbuf + lOut);
if (rOut && lOut) {
while (length--) {
*lbuf++ = BURN_SND_CLIP(*lbuf + lOut);
*rbuf++ = BURN_SND_CLIP(*rbuf + rOut);
}
} else if (lOut) {
while (length--) *lbuf++ = BURN_SND_CLIP(*lbuf + lOut);
} else if (rOut) {
while (length--) *rbuf++ = BURN_SND_CLIP(*rbuf + rOut);
}
}
} else if (lOut) {
while (length--)
*lbuf++ = BURN_SND_CLIP(*lbuf + lOut);
} else if (rOut) {
while (length--)
*rbuf++ = BURN_SND_CLIP(*rbuf + rOut);
}
}
void DACUpdate(INT16* Buffer, INT32 Length)
@ -133,6 +133,9 @@ void DACSignedWrite(INT32 Chip, UINT8 Data)
if (Chip > NumChips) bprintf(PRINT_ERROR, _T("DACSignedWrite called with invalid chip number %x\n"), Chip);
#endif
if (Data == 0x77 || Data == 0x7f || Data == 0x80)
return; // HACK: buzzing fix (armed formation, terra cresta, Soldier Girl Amazon, & possibly others.)
struct dac_info *ptr;
ptr = &dac_table[Chip];