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odyssey2: remove unused port handlers

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This commit is contained in:
hap 2020-08-20 11:21:05 +02:00
parent 8447afd133
commit 021cbbc9d9
1 changed files with 0 additions and 15 deletions
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15
src/mame/drivers/odyssey2.cpp
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@ -129,8 +129,6 @@ protected:
virtual uint8_t io_read(offs_t offset);
virtual void io_write(offs_t offset, uint8_t data);
uint8_t bus_read();
void bus_write(uint8_t data);
uint8_t p1_read();
void p1_write(uint8_t data);
uint8_t p2_read();
void p2_write(uint8_t data);
@ -317,11 +315,6 @@ void odyssey2_state::io_write(offs_t offset, uint8_t data)
m_i8244->write(offset, data);
}
uint8_t odyssey2_state::p1_read()
{
return 0xff;
}
// 8048 ports
@ -370,10 +363,6 @@ uint8_t odyssey2_state::bus_read()
return data;
}
void odyssey2_state::bus_write(uint8_t data)
{
}
READ_LINE_MEMBER(odyssey2_state::t1_read)
{
return m_i8244->vblank() | m_i8244->hblank();
@ -656,12 +645,10 @@ void odyssey2_state::odyssey2(machine_config &config)
I8048(config, m_maincpu, (XTAL(7'159'090) * 3) / 4);
m_maincpu->set_addrmap(AS_PROGRAM, &odyssey2_state::odyssey2_mem);
m_maincpu->set_addrmap(AS_IO, &odyssey2_state::odyssey2_io);
m_maincpu->p1_in_cb().set(FUNC(odyssey2_state::p1_read));
m_maincpu->p1_out_cb().set(FUNC(odyssey2_state::p1_write));
m_maincpu->p2_in_cb().set(FUNC(odyssey2_state::p2_read));
m_maincpu->p2_out_cb().set(FUNC(odyssey2_state::p2_write));
m_maincpu->bus_in_cb().set(FUNC(odyssey2_state::bus_read));
m_maincpu->bus_out_cb().set(FUNC(odyssey2_state::bus_write));
m_maincpu->t0_in_cb().set("cartslot", FUNC(o2_cart_slot_device::t0_read));
m_maincpu->t1_in_cb().set(FUNC(odyssey2_state::t1_read));
@ -720,12 +707,10 @@ void g7400_state::g7400(machine_config &config)
I8048(config, m_maincpu, XTAL(5'911'000));
m_maincpu->set_addrmap(AS_PROGRAM, &g7400_state::odyssey2_mem);
m_maincpu->set_addrmap(AS_IO, &g7400_state::odyssey2_io);
m_maincpu->p1_in_cb().set(FUNC(g7400_state::p1_read));
m_maincpu->p1_out_cb().set(FUNC(g7400_state::p1_write));
m_maincpu->p2_in_cb().set(FUNC(g7400_state::p2_read));
m_maincpu->p2_out_cb().set(FUNC(g7400_state::p2_write));
m_maincpu->bus_in_cb().set(FUNC(g7400_state::bus_read));
m_maincpu->bus_out_cb().set(FUNC(g7400_state::bus_write));
m_maincpu->t0_in_cb().set("cartslot", FUNC(o2_cart_slot_device::t0_read));
m_maincpu->t1_in_cb().set(FUNC(g7400_state::t1_read));
m_maincpu->prog_out_cb().set(m_i8243, FUNC(i8243_device::prog_w));