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bassstr, sbasssta: Skeleton input hookup

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This commit is contained in:
AJR 2024-02-28 22:41:45 -05:00
parent e8b35a53b3
commit 7a80443450
1 changed files with 76 additions and 4 deletions
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80
src/mame/novation/basssta.cpp
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@ -19,22 +19,52 @@ public:
basssta_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_inputs(*this, "IN%u", 0U)
, m_input_select(0xff)
{
}
void bassstr(machine_config &config);
void sbasssta(machine_config &config);
protected:
virtual void machine_start() override;
private:
void input_select_w(u8 data);
u8 input_r();
void bassstr_prog(address_map &map);
void sbasssta_prog(address_map &map);
void bassstr_data(address_map &map);
void sbasssta_data(address_map &map);
required_device<mn1880_device> m_maincpu;
required_ioport_array<4> m_inputs;
u8 m_input_select;
};
void basssta_state::machine_start()
{
save_item(NAME(m_input_select));
}
void basssta_state::input_select_w(u8 data)
{
m_input_select = data;
}
u8 basssta_state::input_r()
{
u8 ret = 0xff;
for (int n = 0; n < 4; n++)
if (!BIT(m_input_select, n))
ret &= m_inputs[n]->read();
return ret;
}
void basssta_state::bassstr_prog(address_map &map)
{
map(0x0000, 0x7fff).rom().region("program", 0);
@ -51,8 +81,10 @@ void basssta_state::bassstr_data(address_map &map)
map(0x0003, 0x0003).noprw();
map(0x000f, 0x000f).noprw();
map(0x001f, 0x001f).noprw();
map(0x0060, 0x03cf).ram();
map(0x0060, 0x03cf).ram(); // TODO: this plus everything above is probably internal to CPU
map(0x8000, 0x87ff).rw("eeprom", FUNC(eeprom_parallel_28xx_device::read), FUNC(eeprom_parallel_28xx_device::write));
map(0x8800, 0x8800).r(FUNC(basssta_state::input_r));
map(0xa800, 0xa800).w(FUNC(basssta_state::input_select_w));
}
void basssta_state::sbasssta_data(address_map &map)
@ -70,14 +102,54 @@ void basssta_state::sbasssta_data(address_map &map)
map(0x0034, 0x0034).nopw();
map(0x0036, 0x0036).nopw();
map(0x005d, 0x005d).noprw();
map(0x0060, 0x07ff).ram(); // TODO: probably internal to CPU
map(0x0060, 0x07ff).ram(); // TODO: this plus everything above is probably internal to CPU
map(0x6000, 0x7fff).rw("eeprom", FUNC(eeprom_parallel_28xx_device::read), FUNC(eeprom_parallel_28xx_device::write));
map(0x8001, 0x8004).nopw();
map(0xc000, 0xc000).nopr();
map(0x8001, 0x8001).w(FUNC(basssta_state::input_select_w));
map(0x8002, 0x8004).nopw();
map(0xc000, 0xc000).r(FUNC(basssta_state::input_r));
}
static INPUT_PORTS_START(basssta)
PORT_START("IN0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("IN1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("IN2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_START("IN3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN)
INPUT_PORTS_END
void basssta_state::bassstr(machine_config &config)