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sigma/sigmab31.cpp: Added 6809 sound CPU. (#13274)

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Some ROM and RAM is mapped, based on Sigma B52 sound CPU map.  Communication is not hooked up.
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flama12333 2025-02-20 11:02:29 -05:00 committed by GitHub
parent 8911789f76
commit 1672091ad5
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GPG Key ID: B5690EEEBB952194
1 changed files with 19 additions and 6 deletions
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src/mame/sigma/sigmab31.cpp
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@ -106,28 +106,38 @@ class sigmab31_state : public driver_device
public:
sigmab31_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu")
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu")
{ }
void sigmab31(machine_config &config);
void sigmab31(machine_config &config) ATTR_COLD;
protected:
virtual void machine_start() override ATTR_COLD;
virtual void machine_reset() override ATTR_COLD;
private:
void prg_map(address_map &map) ATTR_COLD;
void main_map(address_map &map) ATTR_COLD;
void sound_map(address_map &map) ATTR_COLD;
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
};
void sigmab31_state::prg_map(address_map &map)
void sigmab31_state::main_map(address_map &map)
{
map(0x6000, 0xf6ff).rom();
map(0xf800, 0xffff).rom();
}
void sigmab31_state::sound_map (address_map &map)
{
map(0x0000, 0x1fff).ram();
map(0x6060, 0x6061).rw("ymsnd", FUNC(ym3812_device::read), FUNC(ym3812_device::write));
map(0x8000, 0xffff).rom().region("audiocpu", 0);
}
static INPUT_PORTS_START( cptlucky )
PORT_START("IN0")
@ -173,7 +183,10 @@ void sigmab31_state::machine_reset()
void sigmab31_state::sigmab31(machine_config &config)
{
MC6809(config, m_maincpu, 8_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &sigmab31_state::prg_map);
m_maincpu->set_addrmap(AS_PROGRAM, &sigmab31_state::main_map);
MC6809(config, m_audiocpu, 8_MHz_XTAL);
m_audiocpu->set_addrmap(AS_PROGRAM, &sigmab31_state::sound_map);
PTM6840(config, "6840ptm_1", 8_MHz_XTAL / 8);
@ -193,7 +206,7 @@ ROM_START( cptlucky )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_LOAD( "b325107-084_captain_lucky_l93-0091.70", 0x00000, 0x10000, CRC(84c2ab4e) SHA1(3d388ba1c8e4718ca95df45f59d0315887385a27) )
ROM_REGION( 0x8000, "opl", 0 )
ROM_REGION( 0x8000, "audiocpu", 0 )
ROM_LOAD( "m-slot_03-00_l89-1625.57", 0x00000, 0x8000, CRC(268c8a7c) SHA1(90903428d6c0af3ebdcb462e80a7c28dc4ee7af2) )
ROM_END