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Diffstat (limited to 'src/mame/audio/redalert.cpp')
-rw-r--r--src/mame/audio/redalert.cpp6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/mame/audio/redalert.cpp b/src/mame/audio/redalert.cpp
index c6d93755eb8..1d34631bbc3 100644
--- a/src/mame/audio/redalert.cpp
+++ b/src/mame/audio/redalert.cpp
@@ -303,10 +303,8 @@ WRITE8_MEMBER(redalert_state::demoneye_ay8910_data_w)
void redalert_state::demoneye_audio_map(address_map &map)
{
- map.global_mask(0x3fff);
- map(0x0000, 0x007f).ram();
- map(0x0500, 0x0503).rw("sndpia", FUNC(pia6821_device::read), FUNC(pia6821_device::write));
- map(0x2000, 0x3fff).rom();
+ map(0x0500, 0x0503).mirror(0xc000).rw("sndpia", FUNC(pia6821_device::read), FUNC(pia6821_device::write));
+ map(0x2000, 0x3fff).mirror(0xc000).rom();
}