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hornet: clear interrupts on sound cpu reset

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This commit is contained in:
Ville Linde 2021-06-13 19:37:42 +03:00
parent 1482fbabc4
commit e8d9d51555
1 changed files with 23 additions and 9 deletions
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32
src/mame/drivers/hornet.cpp
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@ -448,6 +448,8 @@ private:
uint16_t m_gn680_ret0;
uint16_t m_gn680_ret1;
bool m_sndres;
uint8_t sysreg_r(offs_t offset);
void sysreg_w(offs_t offset, uint8_t data);
void comm1_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
@ -562,24 +564,35 @@ void hornet_state::sysreg_w(offs_t offset, uint8_t data)
break;
case 4: // System Register 1
{
/*
0x80 = SNDRES (sound reset)
0x40 = COMRES (COM reset)
0x20 = COINRQ2 (EEPROM SCL?)
0x10 = COINRQ1 (EEPROM data)
0x08 = ADCS (ADC CS)
0x04 = ADCONV (ADC CONV)
0x02 = ADDI (ADC DI)
0x01 = ADDSCLK (ADC SCLK)
0x80 = SNDRES (sound reset)
0x40 = COMRES (COM reset)
0x20 = COINRQ2 (EEPROM SCL?)
0x10 = COINRQ1 (EEPROM data)
0x08 = ADCS (ADC CS)
0x04 = ADCONV (ADC CONV)
0x02 = ADDI (ADC DI)
0x01 = ADDSCLK (ADC SCLK)
*/
m_adc12138->cs_w((data >> 3) & 0x1);
m_adc12138->conv_w((data >> 2) & 0x1);
m_adc12138->di_w((data >> 1) & 0x1);
m_adc12138->sclk_w(data & 0x1);
m_audiocpu->set_input_line(INPUT_LINE_RESET, (data & 0x80) ? CLEAR_LINE : ASSERT_LINE);
bool sndres = (data & 0x80) ? true : false;
m_audiocpu->set_input_line(INPUT_LINE_RESET, (sndres) ? CLEAR_LINE : ASSERT_LINE);
if (sndres != m_sndres)
{
// clear interrupts when reset line is triggered
m_audiocpu->set_input_line(M68K_IRQ_1, CLEAR_LINE);
}
m_sndres = sndres;
osd_printf_debug("System register 1 = %02X\n", data);
break;
}
case 5: // Sound Control Register
/*
@ -615,6 +628,7 @@ void hornet_state::sysreg_w(offs_t offset, uint8_t data)
m_maincpu->set_input_line(INPUT_LINE_IRQ1, CLEAR_LINE);
if (data & 0x40)
m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
m_konppc->set_cgboard_id((data >> 4) & 3);
m_cg_view.select(m_konppc->get_cgboard_id() ? 1 : 0);
break;