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systel100: Correct clocks (nw)

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This commit is contained in:
AJR 2019-06-01 16:59:12 -04:00
parent 5b68b8ac05
commit 48a79e58c0
1 changed files with 5 additions and 5 deletions
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10
src/mame/drivers/systel1.cpp
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@ -187,12 +187,12 @@ static void systel1_floppies(device_slot_interface &device)
} }
static DEVICE_INPUT_DEFAULTS_START(keyboard) static DEVICE_INPUT_DEFAULTS_START(keyboard)
DEVICE_INPUT_DEFAULTS("RS232_TXBAUD", 0xff, RS232_BAUD_9600) DEVICE_INPUT_DEFAULTS("RS232_TXBAUD", 0xff, RS232_BAUD_1200)
DEVICE_INPUT_DEFAULTS_END DEVICE_INPUT_DEFAULTS_END
void systel1_state::systel1(machine_config &config) void systel1_state::systel1(machine_config &config)
{ {
Z80(config, m_maincpu, 2_MHz_XTAL); // Z8400A; clock not verified Z80(config, m_maincpu, 10.8864_MHz_XTAL / 4); // Z8400A; clock verified
m_maincpu->set_addrmap(AS_PROGRAM, &systel1_state::mem_map); m_maincpu->set_addrmap(AS_PROGRAM, &systel1_state::mem_map);
m_maincpu->set_addrmap(AS_OPCODES, &systel1_state::m1_map); m_maincpu->set_addrmap(AS_OPCODES, &systel1_state::m1_map);
m_maincpu->set_addrmap(AS_IO, &systel1_state::io_map); m_maincpu->set_addrmap(AS_IO, &systel1_state::io_map);
@ -200,7 +200,7 @@ void systel1_state::systel1(machine_config &config)
input_merger_device &mainint(INPUT_MERGER_ANY_HIGH(config, "mainint")); input_merger_device &mainint(INPUT_MERGER_ANY_HIGH(config, "mainint"));
mainint.output_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0); mainint.output_handler().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
I8257(config, m_dmac, 2_MHz_XTAL); // P8257-5 I8257(config, m_dmac, 10.8864_MHz_XTAL / 4); // P8257-5
m_dmac->out_hrq_cb().set(FUNC(systel1_state::hrq_w)); m_dmac->out_hrq_cb().set(FUNC(systel1_state::hrq_w));
m_dmac->in_memr_cb().set(FUNC(systel1_state::memory_r)); m_dmac->in_memr_cb().set(FUNC(systel1_state::memory_r));
m_dmac->out_memw_cb().set(FUNC(systel1_state::memory_w)); m_dmac->out_memw_cb().set(FUNC(systel1_state::memory_w));
@ -208,12 +208,12 @@ void systel1_state::systel1(machine_config &config)
m_dmac->out_iow_cb<1>().set(m_fdc, FUNC(fd1797_device::data_w)); m_dmac->out_iow_cb<1>().set(m_fdc, FUNC(fd1797_device::data_w));
m_dmac->out_iow_cb<2>().set("crtc", FUNC(i8276_device::dack_w)); m_dmac->out_iow_cb<2>().set("crtc", FUNC(i8276_device::dack_w));
i8251_device &usart(I8251(config, "usart", 2_MHz_XTAL)); // AMD P8251A i8251_device &usart(I8251(config, "usart", 10.8864_MHz_XTAL / 4)); // AMD P8251A
usart.rxrdy_handler().set("mainint", FUNC(input_merger_device::in_w<0>)); usart.rxrdy_handler().set("mainint", FUNC(input_merger_device::in_w<0>));
usart.rts_handler().set(FUNC(systel1_state::rts_w)); usart.rts_handler().set(FUNC(systel1_state::rts_w));
usart.dtr_handler().set(FUNC(systel1_state::dtr_w)); usart.dtr_handler().set(FUNC(systel1_state::dtr_w));
clock_device &baudclock(CLOCK(config, "baudclock", 2_MHz_XTAL / 13)); // rate not verified, but also probably fixed clock_device &baudclock(CLOCK(config, "baudclock", 2_MHz_XTAL / 104)); // 19.23 kHz verified; rate probably fixed
baudclock.signal_handler().set("usart", FUNC(i8251_device::write_rxc)); baudclock.signal_handler().set("usart", FUNC(i8251_device::write_rxc));
baudclock.signal_handler().append("usart", FUNC(i8251_device::write_txc)); baudclock.signal_handler().append("usart", FUNC(i8251_device::write_txc));