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mn1400: add 28-pin mn1400 device

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hap 2023-05-17 11:34:18 +02:00
parent 9f5d36fefa
commit a0eb81633d
3 changed files with 23 additions and 8 deletions
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13
src/devices/cpu/mn1400/mn1400.cpp
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@ -13,7 +13,8 @@
// device definitions // device definitions
DEFINE_DEVICE_TYPE(MN1400, mn1400_cpu_device, "mn1400", "Matsushita MN1400") DEFINE_DEVICE_TYPE(MN1400_40PINS, mn1400_cpu_device, "mn1400", "Matsushita MN1400 (40 pins)")
DEFINE_DEVICE_TYPE(MN1400_28PINS, mn1400_reduced_cpu_device, "mn1400_reduced", "Matsushita MN1400 (28 pins)")
DEFINE_DEVICE_TYPE(MN1405, mn1405_cpu_device, "mn1405", "Matsushita MN1405") DEFINE_DEVICE_TYPE(MN1405, mn1405_cpu_device, "mn1405", "Matsushita MN1405")
@ -23,9 +24,17 @@ mn1400_cpu_device::mn1400_cpu_device(const machine_config &mconfig, device_type
{ } { }
mn1400_cpu_device::mn1400_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : mn1400_cpu_device::mn1400_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mn1400_cpu_device(mconfig, MN1400, tag, owner, clock, 2 /* stack levels */, 10 /* rom bits */, address_map_constructor(FUNC(mn1400_cpu_device::program_1kx8), this), 6 /* ram bits */, address_map_constructor(FUNC(mn1400_cpu_device::data_64x4), this)) mn1400_cpu_device(mconfig, MN1400_40PINS, tag, owner, clock, 2 /* stack levels */, 10 /* rom bits */, address_map_constructor(FUNC(mn1400_cpu_device::program_1kx8), this), 6 /* ram bits */, address_map_constructor(FUNC(mn1400_cpu_device::data_64x4), this))
{ } { }
mn1400_reduced_cpu_device::mn1400_reduced_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mn1400_cpu_device(mconfig, MN1400_28PINS, tag, owner, clock, 2, 10, address_map_constructor(FUNC(mn1400_reduced_cpu_device::program_1kx8), this), 6, address_map_constructor(FUNC(mn1400_reduced_cpu_device::data_64x4), this))
{
// CO5-CO9, DO0-DO3 (scrambled)
set_c_mask(0x3e0);
set_d_mask(0xf, 0x5321);
}
mn1405_cpu_device::mn1405_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) : mn1405_cpu_device::mn1405_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
mn1400_cpu_device(mconfig, MN1405, tag, owner, clock, 2, 11, address_map_constructor(FUNC(mn1405_cpu_device::program_2kx8), this), 7, address_map_constructor(FUNC(mn1405_cpu_device::data_128x4), this)) mn1400_cpu_device(mconfig, MN1405, tag, owner, clock, 2, 11, address_map_constructor(FUNC(mn1405_cpu_device::program_2kx8), this), 7, address_map_constructor(FUNC(mn1405_cpu_device::data_128x4), this))
{ } { }

11
src/devices/cpu/mn1400/mn1400.h
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@ -125,6 +125,14 @@ protected:
void op_dc(); void op_dc();
}; };
class mn1400_reduced_cpu_device : public mn1400_cpu_device
{
public:
mn1400_reduced_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
};
class mn1405_cpu_device : public mn1400_cpu_device class mn1405_cpu_device : public mn1400_cpu_device
{ {
public: public:
@ -132,7 +140,8 @@ public:
}; };
DECLARE_DEVICE_TYPE(MN1400, mn1400_cpu_device) DECLARE_DEVICE_TYPE(MN1400_40PINS, mn1400_cpu_device)
DECLARE_DEVICE_TYPE(MN1400_28PINS, mn1400_reduced_cpu_device)
DECLARE_DEVICE_TYPE(MN1405, mn1405_cpu_device) DECLARE_DEVICE_TYPE(MN1405, mn1405_cpu_device)
#endif // MAME_CPU_MN1400_MN1400_H #endif // MAME_CPU_MN1400_MN1400_H

7
src/mame/handheld/hh_mn1400.cpp
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@ -210,11 +210,9 @@ INPUT_PORTS_END
void compperf_state::compperf(machine_config &config) void compperf_state::compperf(machine_config &config)
{ {
// basic machine hardware // basic machine hardware
MN1400(config, m_maincpu, 300000); // approximation - RC osc. R=18K, C=100pF MN1400_28PINS(config, m_maincpu, 300000); // approximation - RC osc. R=18K, C=100pF
m_maincpu->write_c().set(FUNC(compperf_state::write_c)); m_maincpu->write_c().set(FUNC(compperf_state::write_c));
m_maincpu->set_c_mask(0x3e0);
m_maincpu->write_d().set(FUNC(compperf_state::write_d)); m_maincpu->write_d().set(FUNC(compperf_state::write_d));
m_maincpu->set_d_mask(0xf, 0x5321);
m_maincpu->write_e().set(FUNC(compperf_state::write_e)); m_maincpu->write_e().set(FUNC(compperf_state::write_e));
m_maincpu->read_a().set_ioport("IN.0"); m_maincpu->read_a().set_ioport("IN.0");
m_maincpu->read_b().set_ioport("IN.1"); m_maincpu->read_b().set_ioport("IN.1");
@ -516,11 +514,10 @@ INPUT_PORTS_END
void tmbaskb_state::tmbaskb(machine_config &config) void tmbaskb_state::tmbaskb(machine_config &config)
{ {
// basic machine hardware // basic machine hardware
MN1400(config, m_maincpu, 300000); // approximation - RC osc. R=18K, C=100pF MN1400_28PINS(config, m_maincpu, 300000); // approximation - RC osc. R=18K, C=100pF
m_maincpu->write_c().set(FUNC(tmbaskb_state::write_c)); m_maincpu->write_c().set(FUNC(tmbaskb_state::write_c));
m_maincpu->set_c_mask(0x3ef); m_maincpu->set_c_mask(0x3ef);
m_maincpu->write_d().set(FUNC(tmbaskb_state::write_d)); m_maincpu->write_d().set(FUNC(tmbaskb_state::write_d));
m_maincpu->set_d_mask(0xf, 0x5321);
m_maincpu->write_e().set(FUNC(tmbaskb_state::write_e)); m_maincpu->write_e().set(FUNC(tmbaskb_state::write_e));
m_maincpu->read_b().set(FUNC(tmbaskb_state::read_b)); m_maincpu->read_b().set(FUNC(tmbaskb_state::read_b));
m_maincpu->read_sns().set_ioport("IN.3"); m_maincpu->read_sns().set_ioport("IN.3");