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sk101bl: More handlers (nw)

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This commit is contained in:
AJR 2019-07-08 21:45:27 -04:00
parent 16e2b8f759
commit b5020f3644
1 changed files with 32 additions and 2 deletions
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34
src/mame/drivers/sk101bl.cpp
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@ -29,18 +29,46 @@ public:
void sk101bl(machine_config &config);
protected:
virtual void machine_start() override;
private:
DECLARE_READ_LINE_MEMBER(p17_r);
void p1_w(u8 data);
void p24_latch_w(u8 data);
void p26_latch_w(u8 data);
void prog_map(address_map &map);
void ext_map(address_map &map);
required_device<i80c31_device> m_maincpu;
u8 m_p1_state;
};
void sk101bl_state::machine_start()
{
save_item(NAME(m_p1_state));
}
READ_LINE_MEMBER(sk101bl_state::p17_r)
{
return 0;
}
void sk101bl_state::p1_w(u8 data)
{
logerror("%s: Writing %02X to P1\n", machine().describe_context(), data);
m_p1_state = data;
}
void sk101bl_state::p24_latch_w(u8 data)
{
logerror("%s: Writing %02X to P2.4 latch\n", machine().describe_context(), data);
}
void sk101bl_state::p26_latch_w(u8 data)
{
logerror("%s: Writing %02X to P2.6 latch (P1.7-4 = %01X)\n", machine().describe_context(), data, m_p1_state >> 4);
}
void sk101bl_state::prog_map(address_map &map)
@ -50,7 +78,8 @@ void sk101bl_state::prog_map(address_map &map)
void sk101bl_state::ext_map(address_map &map)
{
map(0x4f00, 0x4f00).unmapw();
map(0x1000, 0x1000).mirror(0x0fff).w(FUNC(sk101bl_state::p24_latch_w));
map(0x4000, 0x4000).mirror(0x0fff).w(FUNC(sk101bl_state::p26_latch_w));
map(0xe000, 0xffff).ram(); // TC5565APL-15L
}
@ -62,6 +91,7 @@ void sk101bl_state::sk101bl(machine_config &config)
I80C31(config, m_maincpu, 11.0592_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &sk101bl_state::prog_map);
m_maincpu->set_addrmap(AS_IO, &sk101bl_state::ext_map);
m_maincpu->port_in_cb<1>().set(FUNC(sk101bl_state::p17_r)).bit(7);
m_maincpu->port_out_cb<1>().set(FUNC(sk101bl_state::p1_w));
}