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Merge pull request #2003 from 86Box/tc1995

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AdLib Gold changes:
This commit is contained in:
Miran Grča
2022-01-21 17:15:10 +01:00
committed by GitHub
parent 428254c221 e6e37d780b
commit 15db0e5031
1 changed files with 39 additions and 21 deletions
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60
src/sound/snd_adlibgold.c
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@@ -152,6 +152,8 @@ void adgold_update_irq_status(adgold_t *adgold)
temp &= ~2;
if (!(adgold->adgold_mma_regs[0][0xd] & 0x04) && (adgold->adgold_mma_status & 0x08))
temp &= ~2;
if (!(adgold->adgold_mma_regs[0][0xd] & 0x10) && (adgold->adgold_mma_status & 0x80))
temp &= ~2;
if ((adgold->adgold_mma_status & 0x01) && !(adgold->adgold_mma_regs[0][0xc] & 2))
temp &= ~2;
if ((adgold->adgold_mma_status & 0x02) && !(adgold->adgold_mma_regs[1][0xc] & 2))
@@ -403,22 +405,41 @@ void adgold_write(uint16_t addr, uint8_t val, void *p)
case 0xd:
adgold->adgold_midi_ctrl = val & 0x3f;
if ((val & 0x0f) == 0x0f) {
adgold->uart_in = 0;
adgold->midi_w = 0;
adgold->midi_r = 0;
adgold->adgold_mma_status &= ~0x0c;
} else if (adgold->adgold_midi_ctrl & 0x05) {
adgold->uart_in = 1;
if ((adgold->adgold_midi_ctrl & 0x0f) != 0x0f) {
if ((adgold->adgold_midi_ctrl & 0x0f) == 0x00) {
adgold->uart_out = 0;
adgold->uart_in = 0;
adgold->midi_w = 0;
adgold->midi_r = 0;
adgold->adgold_mma_status &= ~0x8c;
} else {
if (adgold->adgold_midi_ctrl & 0x01)
adgold->uart_in = 1;
if (adgold->adgold_midi_ctrl & 0x04)
adgold->uart_out = 1;
if (adgold->adgold_midi_ctrl & 0x02) {
adgold->uart_in = 0;
adgold->midi_w = 0;
adgold->midi_r = 0;
}
if (adgold->adgold_midi_ctrl & 0x08)
adgold->uart_out = 0;
adgold->adgold_mma_status &= ~0x80;
}
} else
adgold->uart_in = 0;
adgold->adgold_mma_status &= ~0x8c;
adgold_update_irq_status(adgold);
break;
case 0xe:
midi_raw_out_byte(val);
if (adgold->uart_out) {
midi_raw_out_byte(val);
adgold->adgold_mma_status &= ~0x08;
adgold_update_irq_status(adgold);
}
break;
}
adgold->adgold_mma_regs[0][adgold->adgold_mma_addr] = val;
@@ -549,7 +570,7 @@ uint8_t adgold_read(uint16_t addr, void *p)
adgold->adgold_mma_status &= ~0x04;
adgold_update_irq_status(adgold);
}
break;
break;
default:
temp = adgold->adgold_mma_regs[0][adgold->adgold_mma_addr];
@@ -634,14 +655,12 @@ void adgold_timer_poll(void *p)
timer_advance_u64(&adgold->adgold_mma_timer_count, (uint64_t)((double)TIMER_USEC * 1.88964));
if (adgold->adgold_midi_ctrl & 0x0f) {
if ((adgold->adgold_midi_ctrl & 0x0f) == 0x05) {
adgold->adgold_mma_status |= 0x08;
} else {
if ((adgold->adgold_midi_ctrl & 0x0f) == 0x02)
adgold->adgold_mma_status &= ~0x04;
else if ((adgold->adgold_midi_ctrl & 0x0f) == 0x08)
adgold->adgold_mma_status &= ~0x08;
if (adgold->adgold_midi_ctrl & 0x3f) {
if ((adgold->adgold_midi_ctrl & 0x3f) != 0x3f) {
if (adgold->uart_out)
adgold->adgold_mma_status |= 0x08;
if (adgold->adgold_midi_ctrl & 0x10)
adgold->adgold_mma_status |= 0x80;
}
adgold_update_irq_status(adgold);
}
@@ -935,8 +954,7 @@ void *adgold_init(const device_t *info)
timer_add(&adgold->adgold_mma_timer_count, adgold_timer_poll, adgold, 1);
sound_add_handler(adgold_get_buffer, adgold);
sound_set_cd_audio_filter(adgold_filter_cd_audio, 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);