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Diffstat (limited to 'src/mame/drivers/gaelco3d.cpp')
-rw-r--r--src/mame/drivers/gaelco3d.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mame/drivers/gaelco3d.cpp b/src/mame/drivers/gaelco3d.cpp
index cb47d80a9c8..b66da473f7b 100644
--- a/src/mame/drivers/gaelco3d.cpp
+++ b/src/mame/drivers/gaelco3d.cpp
@@ -675,10 +675,12 @@ void gaelco3d_state::main_map(address_map &map)
map(0x51003c, 0x51003d).portr("IN3");
map(0x510041, 0x510041).w(m_soundlatch, FUNC(generic_latch_8_device::write));
map(0x510042, 0x510043).r(FUNC(gaelco3d_state::sound_status_r));
+ map(0x510044, 0x510045).nopw(); // unknown (cabinet control?)
map(0x510100, 0x510101).rw(FUNC(gaelco3d_state::eeprom_data_r), FUNC(gaelco3d_state::irq_ack_w));
map(0x510103, 0x510103).r(m_serial, FUNC(gaelco_serial_device::data_r));
map(0x510103, 0x510103).select(0x000038).lw8(NAME([this] (offs_t offset, u8 data) { m_mainlatch->write_d0(offset >> 3, data); }));
map(0x510105, 0x510105).w(m_serial, FUNC(gaelco_serial_device::data_w));
+ map(0x510106, 0x510107).mirror(0x000070).nopr(); // clr.b instructions do dummy reads
map(0x510107, 0x510107).select(0x000070).lw8(NAME([this] (offs_t offset, u8 data) { m_outlatch->write_d0(offset >> 4, data); }));
map(0xfe0000, 0xfeffff).ram().share("m68k_ram_base16");
}