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Added support to Renegade custom sample for volume and left/right selection for each route.

This commit is contained in:
Barry Harris 2012-05-23 14:03:16 +00:00
parent 92c2320e5d
commit e3c877e0d3
1 changed files with 26 additions and 5 deletions
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31
src/burn/drv/pre90s/d_renegade.cpp
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@ -552,6 +552,8 @@ static struct renegade_adpcm_state
UINT8 nibble; UINT8 nibble;
UINT8 playing; UINT8 playing;
UINT8 *base; UINT8 *base;
double gain;
INT32 output_dir;
} renegade_adpcm; } renegade_adpcm;
static INT32 diff_lookup[49*16]; static INT32 diff_lookup[49*16];
@ -602,11 +604,19 @@ static void RenegadeADPCMInit(INT32 clock)
struct renegade_adpcm_state *state = &renegade_adpcm; struct renegade_adpcm_state *state = &renegade_adpcm;
state->playing = 0; state->playing = 0;
state->base = DrvADPCMRom; state->base = DrvADPCMRom;
state->gain = 1.00;
state->output_dir = BURN_SND_ROUTE_BOTH;
reset_adpcm(&state->adpcm); reset_adpcm(&state->adpcm);
nUpdateStep = (INT32)(((float)clock / nBurnSoundRate) * 32768); nUpdateStep = (INT32)(((float)clock / nBurnSoundRate) * 32768);
} }
void RenegadeADMPCMSetRoute(double nVolume, INT32 nRouteDir)
{
renegade_adpcm.gain = nVolume;
renegade_adpcm.output_dir = nRouteDir;
}
static INT32 DrvDoReset() static INT32 DrvDoReset()
{ {
M6502Open(0); M6502Open(0);
@ -1297,11 +1307,22 @@ static void RenderADPCMSample(INT16 *pSoundBuf, INT32 nLength)
} }
INT16 Sample = clock_adpcm(&renegade_adpcm.adpcm, val) << 2; INT16 Sample = clock_adpcm(&renegade_adpcm.adpcm, val) << 2;
INT32 Left = pSoundBuf[0] + Sample;
INT32 Right = pSoundBuf[1] + Sample; INT32 nLeftSample = 0, nRightSample = 0;
pSoundBuf[0] = BURN_SND_CLIP(Left); if ((renegade_adpcm.output_dir & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
pSoundBuf[1] = BURN_SND_CLIP(Right); nLeftSample += (INT32)(Sample * renegade_adpcm.gain);
}
if ((renegade_adpcm.output_dir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
nRightSample += (INT32)(Sample * renegade_adpcm.gain);
}
nLeftSample = BURN_SND_CLIP(nLeftSample + pSoundBuf[0]);
nRightSample = BURN_SND_CLIP(nRightSample + pSoundBuf[1]);
pSoundBuf[0] = nLeftSample;
pSoundBuf[1] = nRightSample;
pSoundBuf += 2; pSoundBuf += 2;
nLength--; nLength--;
} }