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Normalised SN76496 sound volume in Exed Exes, Ikki, Lady Bug, Mr Do, Super Locomotive, Return of the Invaders and Megadrive drivers

This commit is contained in:
Barry Harris 2012-01-13 16:32:59 +00:00
parent 5cb49e63b7
commit 420a22b5c7
7 changed files with 24 additions and 10 deletions
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3
src/burn/drivers/megadrive/megadrive.cpp
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@ -1137,6 +1137,7 @@ static INT32 MegadriveResetDo()
SN76496Exit();
SN76496Init(0, OSC_PAL / 15, 1);
SN76496SetVolShift(0, 1);
} else {
BurnSetRefreshRate(60.0);
Reinitialise();
@ -1149,6 +1150,7 @@ static INT32 MegadriveResetDo()
SN76496Exit();
SN76496Init(0, OSC_NTSC / 15, 1);
SN76496SetVolShift(0, 1);
}
// other reset
@ -2965,6 +2967,7 @@ INT32 MegadriveInit()
BurnTimerAttachSek(OSC_NTSC / 7);
SN76496Init(0, OSC_NTSC / 15, 1);
SN76496SetVolShift(0, 1);
MegadriveSetupSRAM();
SetupCustomCartridgeMappers();

16
src/burn/drivers/misc_pre90s/d_exedexes.cpp
View File

@ -437,6 +437,8 @@ static INT32 DrvInit()
SN76489Init(0, 3000000, 0);
SN76489Init(1, 3000000, 1);
SN76496SetVolShift(0, 2);
SN76496SetVolShift(1, 2);
GenericTilesInit();
@ -664,7 +666,7 @@ static INT32 DrvFrame()
SN76496Update(0, pBurnSoundOut, nBurnSoundLen);
SN76496Update(1, pBurnSoundOut, nBurnSoundLen);
INT32 nSample, nSample0, nSample1;
INT32 nSample;
if (nBurnSoundLen) {
AY8910Update(0, &pAY8910Buffer[0], nBurnSoundLen);
for (INT32 n = 0; n < nBurnSoundLen; n++) {
@ -672,18 +674,12 @@ static INT32 DrvFrame()
nSample += pAY8910Buffer[1][n];
nSample += pAY8910Buffer[2][n];
nSample >>= 2;
nSample >>= 4;
nSample = BURN_SND_CLIP(nSample);
nSample0 = pBurnSoundOut[(n << 1) + 0] >> 2;
nSample1 = pBurnSoundOut[(n << 1) + 1] >> 2;
nSample0 = BURN_SND_CLIP(nSample0 + nSample);
nSample1 = BURN_SND_CLIP(nSample1 + nSample);
pBurnSoundOut[(n << 1) + 0] = nSample0;
pBurnSoundOut[(n << 1) + 1] = nSample1;
pBurnSoundOut[(n << 1) + 0] += nSample;
pBurnSoundOut[(n << 1) + 1] += nSample;
}
}
}

2
src/burn/drivers/misc_pre90s/d_ikki.cpp
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@ -357,6 +357,8 @@ static INT32 DrvInit()
SN76489Init(0, 8000000/4, 0);
SN76489Init(1, 8000000/2, 1);
SN76496SetVolShift(0, 2);
SN76496SetVolShift(1, 2);
GenericTilesInit();

7
src/burn/drivers/misc_pre90s/d_ladybug.cpp
View File

@ -776,6 +776,8 @@ static INT32 DrvInit(INT32 game_select)
SN76489Init(0, 4000000, 0);
SN76489Init(1, 4000000, 1);
SN76496SetVolShift(0, 2);
SN76496SetVolShift(1, 2);
GenericTilesInit();
@ -859,6 +861,11 @@ static INT32 SraiderInit()
SN76489Init(2, 4000000, 1);
SN76489Init(3, 4000000, 1);
SN76489Init(4, 4000000, 1);
SN76496SetVolShift(0, 3);
SN76496SetVolShift(1, 3);
SN76496SetVolShift(2, 3);
SN76496SetVolShift(3, 3);
SN76496SetVolShift(4, 3);
GenericTilesInit();

2
src/burn/drivers/misc_pre90s/d_mrdo.cpp
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@ -304,6 +304,8 @@ static INT32 DrvInit()
SN76489Init(0, 4000000, 0);
SN76489Init(1, 4000000, 1);
SN76496SetVolShift(0, 1);
SN76496SetVolShift(1, 1);
DrvDoReset();

2
src/burn/drivers/sega/d_suprloco.cpp
View File

@ -431,6 +431,8 @@ static INT32 DrvInit()
SN76489Init(0, 4000000, 0);
SN76489Init(1, 2000000, 1);
SN76496SetVolShift(0, 1);
SN76496SetVolShift(1, 1);
GenericTilesInit();

2
src/burn/drivers/taito/d_retofinv.cpp
View File

@ -587,6 +587,8 @@ static INT32 DrvInit()
SN76489Init(0, 18432000 / 6, 0);
SN76489Init(1, 18432000 / 6, 1);
SN76496SetVolShift(0, 2);
SN76496SetVolShift(1, 2);
GenericTilesInit();