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-rw-r--r--src/mame/drivers/8080bw.cpp1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/mame/drivers/8080bw.cpp b/src/mame/drivers/8080bw.cpp
index 2d7165a70a0..268956baecd 100644
--- a/src/mame/drivers/8080bw.cpp
+++ b/src/mame/drivers/8080bw.cpp
@@ -876,7 +876,6 @@ void _8080bw_state::invrvnge_io_map(address_map &map)
void _8080bw_state::invrvnge_sound_map(address_map &map)
{
- map(0x0000, 0x007f).ram(); // inside CPU
map(0xa001, 0xa001).r("psg",FUNC(ay8910_device::data_r));
map(0xa002, 0xa003).w("psg",FUNC(ay8910_device::data_address_w));
map(0xc000, 0xc7ff).mirror(0x1800).rom();