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crbaloon, add appear noise

This commit is contained in:
dinkc64 2018-04-08 13:21:42 +00:00
parent a897e7d8cf
commit de6422a752
1 changed files with 33 additions and 2 deletions
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33
src/burn/drv/taito/d_crbaloon.cpp
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@ -38,6 +38,8 @@ static UINT32 sound_data08;
static INT32 sound_laugh;
static INT32 sound_laugh_trig;
static INT32 sound_appear_trig;
static INT32 sound_appear;
static UINT8 DrvJoy1[8];
static UINT8 DrvJoy2[8];
@ -142,6 +144,19 @@ static void sound_tone_write(UINT8 data)
}
}
static void sound_tone_write_hi(UINT8 data)
{
crbaloon_tone_step = 0;
envelope_ctr = 0.0;
if (data && data != 0xff) {
double freq = (640630.0 / (256 - data) + (data >= 0xea ? 13 : 0)) * 0.5;
crbaloon_tone_freq = freq;
crbaloon_tone_step = (UINT32)(freq * 65536.0 * 65536.0 / (double)nBurnSoundRate);
}
}
static void sound_port_write(UINT8 data)
{
irq_mask = data & 0x01;
@ -150,7 +165,21 @@ static void sound_port_write(UINT8 data)
sound_enable = data & 0x02;
if (sound_enable) {
if (data & 0x40) {
if (data & 0x20) { // appear (face appears, bird tweet noise)
sound_appear_trig = 2;
}
if (sound_appear_trig) {
sound_appear_trig--;
sound_appear++;
UINT16 tone = (0xf0 + ((sound_appear % 5) * 40 + 6)) & 0xff;
sound_tone_write_hi(tone);
if (sound_appear > 20 || sound_appear_trig == 0) sound_tone_write_hi(0);
} else {
sound_appear = 0;
}
if (data & 0x40) { // laugh
sound_laugh_trig = 3;
}
@ -577,6 +606,8 @@ static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
SCAN_VAR(last_snd);
SCAN_VAR(sound_laugh_trig);
SCAN_VAR(sound_laugh);
SCAN_VAR(sound_appear_trig);
SCAN_VAR(sound_appear);
SCAN_VAR(envelope_ctr);
SCAN_VAR(sound_data08);
}