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vgmplay: added sample player support for SN76496, YM2203 & C6280 [smf]

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smf- 2018-09-20 23:07:55 +01:00
parent 5192247327
commit 0d7efee369
1 changed files with 27 additions and 4 deletions
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31
src/mame/drivers/vgmplay.cpp
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@ -380,6 +380,7 @@ private:
int m_sega32x_channel_hack;
int m_nes_apu_channel_hack[2];
uint8_t m_c6280_channel[2];
};
DEFINE_DEVICE_TYPE(VGMPLAY, vgmplay_device, "vgmplay_core", "VGM Player engine")
@ -559,6 +560,8 @@ void vgmplay_device::device_reset()
m_sega32x_channel_hack = 0;
m_nes_apu_channel_hack[0] = 0;
m_nes_apu_channel_hack[1] = 0;
m_c6280_channel[0] = 0;
m_c6280_channel[1] = 0;
}
void vgmplay_device::pulse_act_led(act_led led)
@ -868,11 +871,22 @@ TIMER_CALLBACK_MEMBER(vgmplay_device::stream_timer_expired)
osd_printf_error("stream_timer_expired %02x: stream beyond end %d/%d %u>=%u\n", param, s.position, s.length, offset, uint32_t(m_data_streams[s.bank].size()));
s.timer->enable(false);
}
else if (s.chip_type == LED_SN76496)
{
m_io->write_byte(A_SN76496_0, (s.reg & 0xf0) | (m_data_streams[s.bank][offset] & 0xf));
if ((s.reg & 0x10) == 0)
m_io->write_byte(A_SN76496_0, ((m_data_streams[s.bank][offset + 1] & 3) << 4) | (m_data_streams[s.bank][offset] >> 4));
}
else if (s.chip_type == LED_YM2612)
{
m_io->write_byte(A_YM2612_0 + 0 + ((s.port & 1) << 1), s.reg);
m_io->write_byte(A_YM2612_0 + 1 + ((s.port & 1) << 1), m_data_streams[s.bank][offset]);
}
else if (s.chip_type == LED_YM2203)
{
m_io->write_byte(A_YM2203_0 + 0 + ((s.port & 1) << 1), s.reg);
m_io->write_byte(A_YM2203_0 + 1 + ((s.port & 1) << 1), m_data_streams[s.bank][offset]);
}
else if (s.chip_type == LED_YM2608)
{
m_io->write_byte(A_YM2608_0 + 0 + ((s.port & 1) << 1), s.reg);
@ -890,6 +904,16 @@ TIMER_CALLBACK_MEMBER(vgmplay_device::stream_timer_expired)
m_io16->write_word(A_32X_PWM + (s.reg << 1), ((m_data_streams[s.bank][offset + 1] & 0xf) << 8) | m_data_streams[s.bank][offset]);
}
else if (s.chip_type == LED_C6280)
{
if (s.port != 0xff)
m_io->write_byte(A_C6280_0 + (s.reg >> 4), s.port);
m_io->write_byte(A_C6280_0 + (s.reg & 0xf), m_data_streams[s.bank][offset]);
if (s.port != 0xff && s.port != m_c6280_channel[0])
m_io->write_byte(A_C6280_0 + (s.reg >> 4), m_c6280_channel[0]);
}
else if (s.chip_type == LED_OKIM6258)
m_io->write_byte(A_OKIM6258_0 + s.reg, m_data_streams[s.bank][offset]);
else
@ -1148,10 +1172,7 @@ void vgmplay_device::execute_run()
s.port = m_file->read_byte(m_pc + 3);
s.reg = m_file->read_byte(m_pc + 4);
if (s.chip_type == LED_32X_PWM)
s.byte_depth = 2;
else
s.byte_depth = 1;
s.byte_depth = ((s.chip_type == LED_SN76496 && (s.reg & 0x10) == 0) || s.chip_type == LED_32X_PWM) ? 2 : 1;
if (s.timer->enabled())
{
@ -1569,6 +1590,8 @@ void vgmplay_device::execute_run()
{
pulse_act_led(LED_C6280);
uint8_t offset = m_file->read_byte(m_pc + 1);
if ((offset & 0x7f) == 0)
m_c6280_channel[BIT(offset, 7)] = m_file->read_byte(m_pc + 2);
if (offset & 0x80)
m_io->write_byte(A_C6280_1 + (offset & 0x7f), m_file->read_byte(m_pc + 2));
else