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fix mondial sound (recent regression by me) (nw)

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This commit is contained in:
hap 2019-07-27 12:02:29 +02:00
parent 368d4e42be
commit 39736aea96
2 changed files with 24 additions and 11 deletions
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16
src/mame/drivers/mephisto_montec.cpp
View File

@ -13,6 +13,11 @@
smondialb notes:
- holding CL+INFO+BOOK on boot load the test mode
TODO:
- split driver into several files?
- verify mondial beeper frequency
- why are megaiv/smondial2 beeps noisy?
**************************************************************************************************/
@ -21,6 +26,7 @@
#include "machine/nvram.h"
#include "machine/mmboard.h"
#include "machine/timer.h"
#include "sound/beep.h"
#include "sound/dac.h"
#include "sound/volt_reg.h"
#include "screen.h"
@ -44,6 +50,7 @@ public:
, m_maincpu(*this, "maincpu")
, m_board(*this, "board")
, m_dac(*this, "dac")
, m_beeper(*this, "beeper")
, m_keys(*this, "KEY.%u", 0)
, m_digits(*this, "digit%u", 0U)
, m_low_leds(*this, "led%u", 0U)
@ -93,7 +100,8 @@ private:
required_device<cpu_device> m_maincpu;
required_device<mephisto_board_device> m_board;
required_device<dac_bit_interface> m_dac;
optional_device<dac_bit_interface> m_dac;
optional_device<beep_device> m_beeper;
optional_ioport_array<2> m_keys;
output_finder<8> m_digits;
output_finder<16> m_low_leds, m_high_leds;
@ -398,7 +406,7 @@ WRITE8_MEMBER(mephisto_montec_state::mondial_input_mux_w)
}
m_input_mux = data;
m_dac->write(BIT(data, 7));
m_beeper->set_state(BIT(data, 7));
m_maincpu->set_input_line(M65C02_IRQ_LINE, CLEAR_LINE);
}
@ -564,6 +572,10 @@ void mephisto_montec_state::mondial(machine_config &config)
mondial2(config);
m_maincpu->set_addrmap(AS_PROGRAM, &mephisto_montec_state::mondial_mem);
m_maincpu->set_periodic_int(FUNC(mephisto_montec_state::irq0_line_assert), attotime::from_hz(XTAL(2'000'000) / (1 << 12)));
config.device_remove("dac");
config.device_remove("vref");
BEEP(config, m_beeper, 3250).add_route(ALL_OUTPUTS, "speaker", 0.25);
}
void mephisto_montec_state::smondial(machine_config &config)

1
src/mame/drivers/polgar.cpp
View File

@ -8,6 +8,7 @@ The chess engine in Mephisto Risc is also compatible with Tasc's The ChessMachin
TODO:
- Mephisto Risc maincpu is more likely 5MHz, but LCD doesn't like it
- split driver into several files? mrisc for example is completely different hw
**************************************************************************************************/