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Diffstat (limited to 'src/mame/philips/patgen.cpp')
-rw-r--r--src/mame/philips/patgen.cpp9
1 files changed, 1 insertions, 8 deletions
diff --git a/src/mame/philips/patgen.cpp b/src/mame/philips/patgen.cpp
index 7b8f97beca9..dc2086c1777 100644
--- a/src/mame/philips/patgen.cpp
+++ b/src/mame/philips/patgen.cpp
@@ -50,7 +50,6 @@ protected:
private:
void i80c31_data(address_map &map) ATTR_COLD;
- void i80c31_io(address_map &map) ATTR_COLD;
void i80c31_prg(address_map &map) ATTR_COLD;
u8 i80c31_p1_r();
@@ -74,7 +73,7 @@ void patgen_state::i80c31_prg(address_map &map)
map(0x0000, 0xffff).rom();
}
-void patgen_state::i80c31_io(address_map &map)
+void patgen_state::i80c31_data(address_map &map)
{
map(0x0000, 0x1fff).ram();
map(0x8000, 0x8000).r(FUNC(patgen_state::keyboard_r));
@@ -84,11 +83,6 @@ void patgen_state::i80c31_io(address_map &map)
map(0x8006, 0x8006).w(FUNC(patgen_state::ch23_w));
}
-void patgen_state::i80c31_data(address_map &map)
-{
- map(0x000, 0x1ff).ram();
-}
-
u8 patgen_state::i80c31_p1_r()
{
m_port1 = m_io_dsw->read();
@@ -210,7 +204,6 @@ void patgen_state::patgen(machine_config &config)
I80C31(config, m_maincpu, 16_MHz_XTAL); // Philips PCB80C31BH
m_maincpu->set_addrmap(AS_PROGRAM, &patgen_state::i80c31_prg);
m_maincpu->set_addrmap(AS_DATA, &patgen_state::i80c31_data);
- m_maincpu->set_addrmap(AS_IO, &patgen_state::i80c31_io);
m_maincpu->port_in_cb<1>().set(FUNC(patgen_state::i80c31_p1_r));
saa1043_device &saa1043(SAA1043(config, "saa1043", XTAL(5'000'000)));