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namco_snd.cpp: fix update_step so pacman, todruaga, mappy sound the same pitch at 44.1k, 48k etc

This commit is contained in:
dinkc64 2017-05-10 02:32:36 +00:00
parent da6fe0f23c
commit 16f75d0e80
1 changed files with 5 additions and 5 deletions
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10
src/burn/snd/namco_snd.cpp
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@ -45,7 +45,7 @@ struct namco_sound
INT16 *waveform[MAX_VOLUME];
INT32 update_step;
double update_step;
double gain[2];
INT32 output_dir[2];
@ -99,7 +99,7 @@ static inline UINT32 namco_update_one(INT16 *buffer, INT32 length, const INT16 *
*buffer = BURN_SND_CLIP(*buffer + nLeftSample); buffer++;
*buffer = BURN_SND_CLIP(*buffer + nRightSample); buffer++;
counter += freq * chip->update_step;
counter += (UINT32)((double)freq * chip->update_step);
}
return counter;
@ -116,7 +116,7 @@ static inline UINT32 namco_stereo_update_one(INT16 *buffer, INT32 length, const
*buffer = BURN_SND_CLIP(*buffer + BURN_SND_CLIP(nSample));
counter += freq * chip->update_step;
counter += (UINT32)((double)freq * chip->update_step);
buffer += 2;
}
@ -651,8 +651,8 @@ void NamcoSoundInit(INT32 clock, INT32 num_voices, INT32 bAdd)
voice->noise_hold = 0;
}
chip->update_step = INTERNAL_RATE / nBurnSoundRate;
chip->update_step = ((double)INTERNAL_RATE / nBurnSoundRate);
chip->gain[BURN_SND_NAMCOSND_ROUTE_1] = 1.00;
chip->gain[BURN_SND_NAMCOSND_ROUTE_2] = 1.00;
chip->output_dir[BURN_SND_NAMCOSND_ROUTE_1] = BURN_SND_ROUTE_BOTH;