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-timetrv: Hooked up 1-bit audio DAC. [Ryan Holtz] (#9476)

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Co-authored-by: MooglyGuy <mog@home>
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MooglyGuy 2022-03-27 19:42:17 +02:00 committed by GitHub
parent bd8779ece4
commit c3162e739d
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1 changed files with 21 additions and 3 deletions
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24
src/mame/drivers/timetrv.cpp
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@ -28,6 +28,7 @@ CPU is an Intel 80188
#include "machine/i8255.h"
#include "machine/ins8250.h"
#include "machine/ldv4200hle.h"
#include "sound/dac.h"
#include "emupal.h"
#include "speaker.h"
@ -46,6 +47,7 @@ public:
, m_maincpu(*this, "maincpu")
, m_uart(*this, "uart")
, m_laserdisc(*this, "laserdisc")
, m_audiodac(*this, "audiodac")
, m_digits(*this, "digit%u", 0U)
, m_decimals(*this, "decimal%u", 0U)
, m_cube_lamp(*this, "cube_lamp")
@ -61,6 +63,7 @@ private:
void timetrv_io(address_map &map);
void ppi1_pc_w(uint8_t data);
void tmrout1_w(int state);
uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
@ -69,9 +72,10 @@ private:
required_shared_ptr<uint8_t> m_led_vram_lo;
required_shared_ptr<uint8_t> m_led_vram_hi;
required_device<cpu_device> m_maincpu;
required_device<i80188_cpu_device> m_maincpu;
required_device<ns16450_device> m_uart;
required_device<pioneer_ldv4200hle_device> m_laserdisc;
required_device<dac_1bit_device> m_audiodac;
output_finder<16> m_digits;
output_finder<16> m_decimals;
output_finder<> m_cube_lamp;
@ -86,6 +90,16 @@ void timetrv_state::machine_start()
m_player_lamps.resolve();
}
void timetrv_state::tmrout1_w(int state)
{
static int old_state = 1;
if (state != old_state)
{
printf("T1: %d\n", state);
}
old_state = state;
}
void timetrv_state::ppi1_pc_w(uint8_t data)
{
// Bit 3: 2P Start lamp
@ -298,6 +312,8 @@ void timetrv_state::timetrv(machine_config &config)
I80188(config, m_maincpu, 16_MHz_XTAL); // Confirmed from PCB layout diagram
m_maincpu->set_addrmap(AS_PROGRAM, &timetrv_state::timetrv_map);
m_maincpu->set_addrmap(AS_IO, &timetrv_state::timetrv_io);
m_maincpu->tmrout0_handler().set(m_audiodac, FUNC(dac_1bit_device::write));
m_maincpu->tmrout1_handler().set(FUNC(timetrv_state::tmrout1_w));
// interrupts are generated by internally-driven timers
EEPROM_2816(config, "eeprom");
@ -324,6 +340,8 @@ void timetrv_state::timetrv(machine_config &config)
m_laserdisc->serial_tx().set(m_uart, FUNC(ns16450_device::rx_w));
/* sound hardware */
DAC_1BIT(config, m_audiodac, 0).add_route(ALL_OUTPUTS, "mono", 0.25);
SPEAKER(config, "mono").front_center();
}
@ -353,5 +371,5 @@ ROM_END
GAMEL( 1991, timetrv, 0, timetrv, timetrv, timetrv_state, empty_init, ORIENTATION_FLIP_Y, "Virtual Image Productions (Sega license)", "Time Traveler (set 1)", MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_SOUND, layout_timetrv )
GAMEL( 1991, timetrv2, timetrv, timetrv, timetrv, timetrv_state, empty_init, ORIENTATION_FLIP_Y, "Virtual Image Productions (Sega license)", "Time Traveler (set 2)", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND, layout_timetrv ) // Different frame indices; Europe?
GAMEL( 1991, timetrv, 0, timetrv, timetrv, timetrv_state, empty_init, ORIENTATION_FLIP_Y, "Virtual Image Productions (Sega license)", "Time Traveler (set 1)", MACHINE_SUPPORTS_SAVE, layout_timetrv )
GAMEL( 1991, timetrv2, timetrv, timetrv, timetrv, timetrv_state, empty_init, ORIENTATION_FLIP_Y, "Virtual Image Productions (Sega license)", "Time Traveler (set 2)", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING, layout_timetrv ) // Different frame indices; Europe?