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mupid2: Hook up NMI mask

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This commit is contained in:
Dirk Best 2018-12-20 14:46:01 +01:00
parent b38ee8ce7a
commit 052419608d
1 changed files with 8 additions and 3 deletions
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11
src/mame/drivers/mupid2.cpp
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@ -37,7 +37,8 @@ public:
m_ram(*this, "ram"),
m_rombank(*this, "rombank"),
m_rambank(*this, "rambank"),
m_palette(*this, "palette")
m_palette(*this, "palette"),
m_nmi_enabled(false)
{ }
void c2a2(machine_config &config);
@ -69,6 +70,7 @@ private:
void kbdcpu_mem(address_map &map);
std::unique_ptr<std::array<uint8_t, 3>[]> m_color_ram;
bool m_nmi_enabled;
};
@ -179,11 +181,13 @@ void mupid2_state::machine_start()
// register for save states
save_pointer(NAME(m_color_ram), 16);
save_item(NAME(m_nmi_enabled));
}
TIMER_DEVICE_CALLBACK_MEMBER(mupid2_state::nmi)
{
m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
if (m_nmi_enabled)
m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
}
WRITE8_MEMBER(mupid2_state::port_a0_w)
@ -204,7 +208,7 @@ WRITE8_MEMBER(mupid2_state::port_c0_w)
{
logerror("port_c0_w: %02x\n", data);
// 7------- unknown
// 7------- nmi mask
// -6------ unknown
// --5----- unknown
// ---4---- unknown
@ -212,6 +216,7 @@ WRITE8_MEMBER(mupid2_state::port_c0_w)
// ------1- unknown
// -------0 unknown
m_nmi_enabled = BIT(data, 7);
m_rambank->set_entry((data >> 2) & 0x03);
}