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This commit is contained in:
Michaël Banaan Ananas 2011-08-03 16:13:45 +00:00
parent e3b9484f89
commit 0423cf2593
1 changed files with 67 additions and 6 deletions
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73
src/mame/audio/flower.c
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@ -7,6 +7,7 @@
#include "emu.h" #include "emu.h"
#include "includes/flower.h" #include "includes/flower.h"
#define FLOWER_VERBOSE 0 // show register writes
#define MIXER_SAMPLERATE 48000 /* ? */ #define MIXER_SAMPLERATE 48000 /* ? */
#define MIXER_DEFGAIN 48 #define MIXER_DEFGAIN 48
@ -219,17 +220,77 @@ DEVICE_GET_INFO( flower_sound )
/********************************************************************************/ /********************************************************************************/
#if FLOWER_VERBOSE
static void show_soundregs(device_t *device)
{
flower_sound_state *state = get_safe_token(device);
int set,reg,chan;
char text[0x100];
char message[0x1000] = {0};
UINT8 *sregs = state->m_soundregs1;
for (set=0;set<2;set++)
{
for (reg=0;reg<8;reg++)
{
sprintf(text,"R%d%d:",set+1,reg);
strcat(message,text);
for (chan=0;chan<8;chan++)
{
sprintf(text," %02X",sregs[reg + 8*chan]);
strcat(message,text);
}
strcat(message,"\n");
}
strcat(message,"\n");
sregs = state->m_soundregs2;
}
popmessage("%s",message);
}
#endif // FLOWER_VERBOSE
/* register functions (preliminary):
offset: cccrrr c=channel, r=register
set 1:
R 76543210
0 xxxxxxxx frequency (which nibble?)
1 xxxxxxxx *
2 xxxxxxxx *
3 xxxxxxxx *
4 ...x.... one-shot sample
5 ...x.... ??? same as R4?
6 ........ unused?
7 xxxx.... volume
set 2:
R 76543210
0 ....xxxx start address?
1 ....xxxx start address?
2 ....xxxx start address
3 ....xxxx start address
4 xxxx ??? effect? (volume/pitch slide) -- these bits are used by the stuck notes
xxxx start address
5 x... ??? loop/one-shot related?
xxxx start address
6 ........ unused?
7 ......xx volume
*/
WRITE8_DEVICE_HANDLER( flower_sound1_w ) WRITE8_DEVICE_HANDLER( flower_sound1_w )
{ {
flower_sound_state *state = get_safe_token(device); flower_sound_state *state = get_safe_token(device);
sound_channel *voice; sound_channel *voice;
int base; int base;
/* update the streams */
state->m_stream->update(); state->m_stream->update();
/* set the register */
state->m_soundregs1[offset] = data; state->m_soundregs1[offset] = data;
#if FLOWER_VERBOSE
show_soundregs(device);
#endif
/* recompute all the voice parameters */ /* recompute all the voice parameters */
for (base = 0, voice = state->m_channel_list; voice < state->m_last_channel; voice++, base += 8) for (base = 0, voice = state->m_channel_list; voice < state->m_last_channel; voice++, base += 8)
@ -259,11 +320,11 @@ WRITE8_DEVICE_HANDLER( flower_sound2_w )
sound_channel *voice; sound_channel *voice;
int base = offset & 0xf8; int base = offset & 0xf8;
/* update the streams */
state->m_stream->update(); state->m_stream->update();
/* set the register */
state->m_soundregs2[offset] = data; state->m_soundregs2[offset] = data;
#if FLOWER_VERBOSE
show_soundregs(device);
#endif
/* recompute all the voice parameters */ /* recompute all the voice parameters */
voice = &state->m_channel_list[offset/8]; voice = &state->m_channel_list[offset/8];