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lc80e: fix lockup problem

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This commit is contained in:
hap 2021-04-27 00:04:06 +02:00
parent 6cc67f91c8
commit e65c6f8697
1 changed files with 10 additions and 7 deletions
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17
src/mame/drivers/lc80.cpp
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@ -149,8 +149,9 @@ void lc80_state::lc80_2_mem(address_map &map)
void lc80_state::lc80e_mem(address_map &map)
{
map.global_mask(0x7fff);
map(0x0000, 0x1fff).rom();
map(0xc000, 0xcfff).rom();
map(0x4000, 0x4fff).rom();
}
void lc80_state::lc80_io(address_map &map)
@ -337,7 +338,7 @@ uint8_t lc80_state::pio2_pb_r()
return data;
}
#if 0
/* Z80 Daisy Chain */
static const z80_daisy_config lc80_daisy_chain[] =
@ -347,7 +348,6 @@ static const z80_daisy_config lc80_daisy_chain[] =
{ "pio0" },
{ nullptr }
};
#endif
/* Machine Initialization */
@ -357,7 +357,8 @@ void lc80_state::machine_start()
m_halt_led.resolve();
address_space &program = m_maincpu->space(AS_PROGRAM);
program.install_ram(0x2000, 0x2000 + m_ram->size() - 1, 0x1000, m_ram->pointer());
offs_t mirror = program.map()->m_globalmask & 0x5000;
program.install_ram(0x2000, 0x2000 + m_ram->size() - 1, mirror, m_ram->pointer());
/* register for state saving */
save_item(NAME(m_digit));
@ -374,6 +375,7 @@ void lc80_state::lc80(machine_config &config)
m_maincpu->set_addrmap(AS_PROGRAM, &lc80_state::lc80_mem);
m_maincpu->set_addrmap(AS_IO, &lc80_state::lc80_io);
m_maincpu->halt_cb().set(FUNC(lc80_state::halt_w));
m_maincpu->set_daisy_config(lc80_daisy_chain);
/* video hardware */
PWM_DISPLAY(config, m_display).set_size(1+6, 8);
@ -404,8 +406,9 @@ void lc80_state::lc80(machine_config &config)
CASSETTE(config, m_cassette);
m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED);
RAM(config, m_ram).set_default_size("1K");
m_ram->set_extra_options("1K,2K,3K,4K");
RAM(config, m_ram).set_extra_options("1K,2K,3K,4K");
m_ram->set_default_size("1K");
m_ram->set_default_value(0xff);
}
void lc80_state::lc80a(machine_config &config)
@ -460,7 +463,7 @@ ROM_START( lc80e )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "lc80e-0000-schach.rom", 0x0000, 0x1000, CRC(e3cca61d) SHA1(f2be3f2a9d3780d59657e49b3abeffb0fc13db89) )
ROM_LOAD( "lc80e-1000-schach.rom", 0x1000, 0x1000, CRC(b0323160) SHA1(0ea019b0944736ae5b842bf9aa3537300f259b98) )
ROM_LOAD( "lc80e-c000-schach.rom", 0xc000, 0x1000, CRC(9c858d9c) SHA1(2f7b3fd046c965185606253f6cd9372da289ca6f) )
ROM_LOAD( "lc80e-c000-schach.rom", 0x4000, 0x1000, CRC(9c858d9c) SHA1(2f7b3fd046c965185606253f6cd9372da289ca6f) )
ROM_END
} // anonymous namespace