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Added support to gal_sound.cpp for volume and left/right selection for each route. Updated necessary drivers to support.

This commit is contained in:
Barry Harris 2012-05-23 13:26:12 +00:00
parent ace0e9a96e
commit 109f7d1da6
2 changed files with 69 additions and 8 deletions
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2
src/burn/drv/galaxian/gal.h
View File

@ -281,6 +281,8 @@ extern double GalLfoFreq;
extern double GalLfoFreqFrameVar;
extern INT32 GalLfoBit[4];
void GalaxianSoundSetRoute(double nVolume, INT32 nRouteDir);
void GalSoundReset();
void GalSoundInit();
void GalSoundExit();

75
src/burn/drv/galaxian/gal_sound.cpp
View File

@ -57,6 +57,8 @@ INT32 GalLfoVolume[3];
double GalLfoFreq;
double GalLfoFreqFrameVar;
INT32 GalLfoBit[4];
static double GalGain;
static INT32 GalOutputDir;
static INT16 GalToneWave[4][TOOTHSAW_LENGTH];
@ -68,6 +70,12 @@ static const INT16 GalBackgroundWave[32] =
-0x4000,-0x4000,-0x4000,-0x4000,-0x4000,-0x4000,-0x4000,-0x4000,
};
void GalaxianSoundSetRoute(double nVolume, INT32 nRouteDir)
{
GalGain = nVolume;
GalOutputDir = nRouteDir;
}
void GalSoundReset()
{
if (GalSoundType == GAL_SOUND_HARDWARE_TYPE_ZIGZAGAY8910 || GalSoundType == GAL_SOUND_HARDWARE_TYPE_JUMPBUGAY8910 || GalSoundType == GAL_SOUND_HARDWARE_TYPE_CHECKMANAY8910 || GalSoundType == GAL_SOUND_HARDWARE_TYPE_CHECKMAJAY8910 || GalSoundType == GAL_SOUND_HARDWARE_TYPE_FROGGERAY8910 || GalSoundType == GAL_SOUND_HARDWARE_TYPE_MSHUTTLEAY8910 || GalSoundType == GAL_SOUND_HARDWARE_TYPE_BONGOAY8910) {
@ -350,6 +358,9 @@ void GalSoundInit()
GalLfoFreq = MAXFREQ;
GalLfoFreqFrameVar = 0;
GalGain = 1.00;
GalOutputDir = BURN_SND_ROUTE_BOTH;
}
}
@ -780,8 +791,20 @@ static void GalRenderShootSample(INT16 *pSoundBuf, INT32 nLength)
INT16 Sample = (INT16)(GalShootWave[(INT32)Addr] * SHOOT_VOLUME);
Sample >>= 4;
pSoundBuf[i + 0] += Sample;
pSoundBuf[i + 1] += Sample;
INT32 nLeftSample = 0, nRightSample = 0;
if ((GalOutputDir & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
nLeftSample += (INT32)(Sample * GalGain);
}
if ((GalOutputDir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
nRightSample += (INT32)(Sample * GalGain);
}
nLeftSample = BURN_SND_CLIP(nLeftSample);
nRightSample = BURN_SND_CLIP(nRightSample);
pSoundBuf[i + 0] += nLeftSample;
pSoundBuf[i + 1] += nRightSample;
Addr += Step;
}
@ -802,8 +825,20 @@ static void GalRenderNoiseSample(INT16 *pSoundBuf, INT32 nLength)
INT16 Sample = (INT16)(GalNoiseWave[(INT32)Addr] * (GalNoiseVolume / 100));
Sample >>= 4;
pSoundBuf[i + 0] += Sample;
pSoundBuf[i + 1] += Sample;
INT32 nLeftSample = 0, nRightSample = 0;
if ((GalOutputDir & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
nLeftSample += (INT32)(Sample * GalGain);
}
if ((GalOutputDir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
nRightSample += (INT32)(Sample * GalGain);
}
nLeftSample = BURN_SND_CLIP(nLeftSample);
nRightSample = BURN_SND_CLIP(nRightSample);
pSoundBuf[i + 0] += nLeftSample;
pSoundBuf[i + 1] += nRightSample;
Addr += Step;
}
@ -837,8 +872,20 @@ static void GalRenderToneWave(INT16 *pSoundBuf, INT32 nLength)
INT16 Sample = mix / STEPS;
Sample >>= 4;
pSoundBuf[i + 0] = Sample;
pSoundBuf[i + 1] = Sample;
INT32 nLeftSample = 0, nRightSample = 0;
if ((GalOutputDir & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
nLeftSample += (INT32)(Sample * GalGain);
}
if ((GalOutputDir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
nRightSample += (INT32)(Sample * GalGain);
}
nLeftSample = BURN_SND_CLIP(nLeftSample);
nRightSample = BURN_SND_CLIP(nRightSample);
pSoundBuf[i + 0] = nLeftSample;
pSoundBuf[i + 1] = nRightSample;
}
}
}
@ -852,8 +899,20 @@ static void GalRenderLfoWaveSample(INT32 nLfoWave, INT16 *pSoundBuf, INT32 nLeng
INT16 Sample = (INT16)(GalBackgroundWave[(INT32)Addr] * (GalLfoVolume[nLfoWave] ? LFO_VOLUME : 0));
Sample >>= 4;
pSoundBuf[i + 0] += Sample;
pSoundBuf[i + 1] += Sample;
INT32 nLeftSample = 0, nRightSample = 0;
if ((GalOutputDir & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
nLeftSample += (INT32)(Sample * GalGain);
}
if ((GalOutputDir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
nRightSample += (INT32)(Sample * GalGain);
}
nLeftSample = BURN_SND_CLIP(nLeftSample);
nRightSample = BURN_SND_CLIP(nRightSample);
pSoundBuf[i + 0] += nLeftSample;
pSoundBuf[i + 1] += nRightSample;
Addr += Step;
}