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att630.cpp: Add more expansion RAM for att730x; slight code cleanup

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This commit is contained in:
AJR 2022-04-24 17:16:09 -04:00
parent ffe2426bd2
commit 2dc96bb1fd
1 changed files with 3 additions and 7 deletions
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10
src/mame/drivers/att630.cpp
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@ -19,6 +19,7 @@ public:
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_vram(*this, "vram")
, m_bram_data(*this, "bram", 0x2000, ENDIANNESS_BIG)
{ }
void att630(machine_config &config);
@ -38,16 +39,11 @@ private:
required_device<m68000_device> m_maincpu;
required_shared_ptr<u16> m_vram;
std::unique_ptr<u8[]> m_bram_data;
memory_share_creator<u8> m_bram_data;
};
void att630_state::machine_start()
{
m_bram_data = std::make_unique<u8[]>(0x2000);
subdevice<nvram_device>("bram")->set_base(m_bram_data.get(), 0x2000);
save_pointer(NAME(m_bram_data), 0x2000);
}
u32 att630_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
@ -88,7 +84,7 @@ 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, 0x83ffff).ram(); // expansion RAM
map(0x800000, 0x87ffff).ram(); // expansion RAM
map(0xde0000, 0xdfffff).rom().region("starlan", 0);
}