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Diffstat (limited to 'src/mame/drivers/midxunit.cpp')
-rw-r--r--src/mame/drivers/midxunit.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mame/drivers/midxunit.cpp b/src/mame/drivers/midxunit.cpp
index 34d4dc0f281..700457a87c7 100644
--- a/src/mame/drivers/midxunit.cpp
+++ b/src/mame/drivers/midxunit.cpp
@@ -122,6 +122,7 @@ void midxunit_state::main_map(address_map &map)
map(0x80c00000, 0x80c000ff).rw(FUNC(midxunit_state::midxunit_uart_r), FUNC(midxunit_state::midxunit_uart_w));
map(0xa0440000, 0xa047ffff).rw(FUNC(midxunit_state::midxunit_cmos_r), FUNC(midxunit_state::midxunit_cmos_w)).share("nvram");
map(0xa0800000, 0xa08fffff).rw(m_video, FUNC(midxunit_video_device::midxunit_paletteram_r), FUNC(midxunit_video_device::midxunit_paletteram_w)).share("palette");
+ map(0xc0000000, 0xc00003ff).rw("maincpu", FUNC(tms34020_device::io_register_r), FUNC(tms34020_device::io_register_w));
map(0xc0800000, 0xc08000ff).mirror(0x00400000).rw(m_video, FUNC(midxunit_video_device::midtunit_dma_r), FUNC(midxunit_video_device::midtunit_dma_w));
map(0xf8000000, 0xfeffffff).r(m_video, FUNC(midxunit_video_device::midwunit_gfxrom_r));
map(0xff000000, 0xffffffff).rom().region("maincpu", 0);