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att730x: Map extra ROMs (nw)

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This commit is contained in:
AJR 2019-12-30 08:44:10 -05:00
parent 470113ac78
commit 38048f6143
1 changed files with 21 additions and 4 deletions
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25
src/mame/drivers/att630.cpp
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@ -22,6 +22,7 @@ public:
{ }
void att630(machine_config &config);
void att730x(machine_config &config);
protected:
virtual void machine_start() override;
@ -32,7 +33,8 @@ private:
u8 bram_r(offs_t offset);
void bram_w(offs_t offset, u8 data);
void mem_map(address_map &map);
void att630_map(address_map &map);
void att730_map(address_map &map);
required_device<m68000_device> m_maincpu;
required_shared_ptr<u16> m_vram;
@ -67,7 +69,7 @@ void att630_state::bram_w(offs_t offset, u8 data)
m_bram_data[offset] = data;
}
void att630_state::mem_map(address_map &map)
void att630_state::att630_map(address_map &map)
{
map(0x000000, 0x03ffff).rom().region("maincpu", 0);
map(0x040000, 0x0fffff).noprw(); // additional space for rom
@ -81,13 +83,22 @@ void att630_state::mem_map(address_map &map)
map(0xe00000, 0xe03fff).mirror(0x1fc000).rw(FUNC(att630_state::bram_r), FUNC(att630_state::bram_w)).umask16(0x00ff);
}
void att630_state::att730_map(address_map &map)
{
att630_map(map);
map(0x040000, 0x05ffff).rom().region("maincpu", 0x40000);
map(0x100000, 0x15ffff).rom().region("cart", 0);
map(0x800000, 0x800fff).ram();
map(0xde0000, 0xdfffff).rom().region("starlan", 0);
}
static INPUT_PORTS_START( att630 )
INPUT_PORTS_END
void att630_state::att630(machine_config &config)
{
M68000(config, m_maincpu, 40_MHz_XTAL / 4); // clock not confirmed
m_maincpu->set_addrmap(AS_PROGRAM, &att630_state::mem_map);
m_maincpu->set_addrmap(AS_PROGRAM, &att630_state::att630_map);
m_maincpu->set_cpu_space(AS_PROGRAM); // vectors are in BRAM
NVRAM(config, "bram", nvram_device::DEFAULT_ALL_0); // 5264 + battery
@ -102,6 +113,12 @@ void att630_state::att630(machine_config &config)
SCN2681(config, "duart2", 3.6864_MHz_XTAL);
}
void att630_state::att730x(machine_config &config)
{
att630(config);
m_maincpu->set_addrmap(AS_PROGRAM, &att630_state::att730_map);
}
/**************************************************************************************************************
@ -143,4 +160,4 @@ ROM_START( att730x )
ROM_END
COMP( 1986, att630, 0, 0, att630, att630, att630_state, empty_init, "AT&T", "630 MTG", MACHINE_IS_SKELETON )
COMP( 1990, att730x, 0, 0, att630, att630, att630_state, empty_init, "AT&T", "730X", MACHINE_IS_SKELETON )
COMP( 1990, att730x, 0, 0, att730x, att630, att630_state, empty_init, "AT&T", "730X", MACHINE_IS_SKELETON )