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Remove deprecated old style DAC

This commit is contained in:
Barry Harris 2012-03-16 16:40:56 +00:00
parent ffd3b340cd
commit 5010978445
2 changed files with 18 additions and 66 deletions
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83
src/burn/snd/dac.cpp
View File

@ -3,8 +3,6 @@
#define DAC_NUM (8) // allow for 8 DAC chips
#define OLD_STYLE_DAC // depreciated!
struct dac_info
{
INT16 Output;
@ -76,57 +74,27 @@ void DACUpdate(INT16* Buffer, INT32 Length)
struct dac_info *ptr;
#ifdef OLD_STYLE_DAC
if (pSyncCallback == NULL)
{
INT32 Out = 0;
for (INT32 i = 0; i < NumChips; i++) {
ptr = &dac_table[i];
if (ptr->Initialized) Out += ptr->Output;
}
Out = BURN_SND_CLIP(Out);
while (Length--) {
if (bAddSignal) {
Buffer[0] += Out;
Buffer[1] += Out;
} else {
Buffer[0] = Out;
Buffer[1] = Out;
}
Buffer += 2;
}
for (INT32 i = 0; i < NumChips; i++) {
UpdateStream(i, nBurnSoundLen);
}
else
#endif
{
for (INT32 i = 0; i < NumChips; i++) {
UpdateStream(i, nBurnSoundLen);
}
INT16 *buf = buffer;
INT16 *buf = buffer;
while (Length--) {
if (bAddSignal) {
Buffer[1] = Buffer[0] += buf[0];
} else {
Buffer[1] = Buffer[0] = buf[0];
}
Buffer += 2;
buf[0] = 0; // clear buffer
buf++;
while (Length--) {
if (bAddSignal) {
Buffer[1] = Buffer[0] += buf[0];
} else {
Buffer[1] = Buffer[0] = buf[0];
}
for (INT32 i = 0; i < NumChips; i++) {
ptr = &dac_table[i];
ptr->nCurrentPosition = 0;
}
#ifdef OLD_STYLE_DAC
Buffer += 2;
buf[0] = 0; // clear buffer
buf++;
}
for (INT32 i = 0; i < NumChips; i++) {
ptr = &dac_table[i];
ptr->nCurrentPosition = 0;
}
#endif
}
void DACWrite(INT32 Chip, UINT8 Data)
@ -138,10 +106,7 @@ void DACWrite(INT32 Chip, UINT8 Data)
struct dac_info *ptr;
#ifdef OLD_STYLE_DAC
if (pSyncCallback != NULL)
#endif
UpdateStream(Chip, pSyncCallback());
UpdateStream(Chip, pSyncCallback());
ptr = &dac_table[Chip];
ptr->Output = UnsignedVolTable[Data] >> ptr->nVolShift;
@ -156,10 +121,7 @@ void DACSignedWrite(INT32 Chip, UINT8 Data)
struct dac_info *ptr;
#ifdef OLD_STYLE_DAC
if (pSyncCallback != NULL)
#endif
UpdateStream(Chip, pSyncCallback());
UpdateStream(Chip, pSyncCallback());
ptr = &dac_table[Chip];
ptr->Output = SignedVolTable[Data] >> ptr->nVolShift;
@ -195,15 +157,6 @@ static void DACInitCommon(INT32 Num, UINT32, INT32 bAdd)
bAddSignal = bAdd;
}
#ifdef OLD_STYLE_DAC
void DACInit(INT32 Num, UINT32 Clock, INT32 bAdd)
{
pSyncCallback = NULL;
DACInitCommon(Num, Clock, bAdd);
}
#endif
void DACInit(INT32 Num, UINT32 Clock, INT32 bAdd, INT32 (*pSyncCB)())
{
pSyncCallback = pSyncCB;

1
src/burn/snd/dac.h
View File

@ -1,7 +1,6 @@
void DACUpdate(INT16* Buffer, INT32 Length);
void DACWrite(INT32 Chip, UINT8 Data);
void DACSignedWrite(INT32 Chip, UINT8 Data);
void DACInit(INT32 Num, UINT32 Clock, INT32 bAdd); // depreciated
void DACInit(INT32 Num, UINT32 Clock, INT32 bAdd, INT32 (*pSyncCB)());
void DACSetVolShift(INT32 Num, INT32 nShift);
void DACReset();