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This commit is contained in:
Michaël Banaan Ananas 2011-08-11 13:10:41 +00:00
parent d8de167c7b
commit a083b873b4
1 changed files with 14 additions and 0 deletions
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14
src/mame/audio/flower.c
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@ -1,3 +1,13 @@
/* Clarue Flower sound driver.
Initial version was based on the Wiping sound driver, which was based on the old namco.c sound driver.
TODO:
- timing (see main driver file), but also of samplerate and effects counter
- what do the unknown bits in soundregs do?
- are channel effects correct? currently mostly guesswork
*/
#include "emu.h"
#include "includes/flower.h"
@ -96,6 +106,9 @@ static STREAM_UPDATE( flower_update_mono )
int f = voice->freq;
int v = voice->volume;
if (!voice->active)
continue;
// effects
// bit 0: volume slide down?
if (voice->effect & 1 && !voice->oneshot)
@ -111,6 +124,7 @@ static STREAM_UPDATE( flower_update_mono )
f -= (voice->ecount << 7);
if (f < 0) f = 0;
}
// bit 3: not used much, maybe pitch slide the other way?
v |= voice->voltab;
mix = state->m_mixer_buffer;