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Merge pull request #2002 from Ompronce/master

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Fixed incorrect control chip ID of AdLib Gold and added auxillary registers to mixer
This commit is contained in:
Miran Grča
2022-01-21 15:45:06 +01:00
committed by GitHub
parent f590272df7 89c8212267
commit 613b04ef94
1 changed files with 27 additions and 2 deletions
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29
src/sound/snd_adlibgold.c
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@@ -60,6 +60,7 @@ typedef struct adgold_t
int fm_vol_l, fm_vol_r;
int samp_vol_l, samp_vol_r;
int aux_vol_l, aux_vol_r;
int vol_l, vol_r;
int treble, bass;
@@ -260,6 +261,14 @@ void adgold_write(uint16_t addr, uint8_t val, void *p)
adgold->adgold_38x_regs[0x0c] = val;
adgold->samp_vol_r = (int)(int8_t)(val - 128);
break;
case 0x0d: /*Aux volume left*/
adgold->adgold_38x_regs[0x0d] = val;
adgold->aux_vol_l = (int)(int8_t)(val - 128);
break;
case 0x0e: /*Aux volume right*/
adgold->adgold_38x_regs[0x0e] = val;
adgold->aux_vol_r = (int)(int8_t)(val - 128);
break;
case 0x18: /*Surround*/
adgold->adgold_38x_regs[0x18] = val;
@@ -498,9 +507,9 @@ uint8_t adgold_read(uint16_t addr, void *p)
{
case 0x00: /*Control/ID*/
if (adgold->surround_enabled)
temp = 0x50; /*16-bit ISA, surround module, no telephone/CDROM*/
temp = 0x51; /*8-bit ISA, surround module, no telephone/CD-ROM*/
else
temp = 0x70; /*16-bit ISA, no telephone/surround/CD-ROM*/
temp = 0x71; /*8-bit ISA, no telephone/surround/CD-ROM*/
break;
default:
@@ -810,6 +819,18 @@ static void adgold_get_buffer(int32_t *buffer, int len, void *p)
free(adgold_buffer);
}
static void
adgold_filter_cd_audio(int channel, double *buffer, void *p)
{
adgold_t *adgold = (adgold_t *)p;
double c;
int aux = channel ? adgold->aux_vol_r : adgold->aux_vol_l;
int vol = channel ? adgold->vol_r : adgold->vol_l;
c = ((((*buffer) * aux) / 4096.0) * vol) / 4096.0;
*buffer = c;
}
static void adgold_input_msg(void *p, uint8_t *msg, uint32_t len)
{
@@ -899,6 +920,8 @@ void *adgold_init(const device_t *info)
adgold->fm_vol_r = (int)(int8_t)(adgold->adgold_eeprom[0x0a] - 128);
adgold->samp_vol_l = (int)(int8_t)(adgold->adgold_eeprom[0x0b] - 128);
adgold->samp_vol_r = (int)(int8_t)(adgold->adgold_eeprom[0x0c] - 128);
adgold->aux_vol_l = (int)(int8_t)(adgold->adgold_eeprom[0x0d] - 128);
adgold->aux_vol_r = (int)(int8_t)(adgold->adgold_eeprom[0x0e] - 128);
adgold->adgold_mma_enable[0] = 0;
adgold->adgold_mma_fifo_start[0] = adgold->adgold_mma_fifo_end[0] = 0;
@@ -913,6 +936,8 @@ void *adgold_init(const device_t *info)
sound_add_handler(adgold_get_buffer, adgold);
sound_set_cd_audio_filter(adgold_filter_cd_audio, adgold);
if (device_get_config_int("receive_input"))
midi_in_handler(1, adgold_input_msg, adgold_input_sysex, adgold);