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Diffstat (limited to 'src/devices/cpu/h8500/h8520.cpp')
-rw-r--r--src/devices/cpu/h8500/h8520.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/cpu/h8500/h8520.cpp b/src/devices/cpu/h8500/h8520.cpp
index 459a979da98..753608467f0 100644
--- a/src/devices/cpu/h8500/h8520.cpp
+++ b/src/devices/cpu/h8500/h8520.cpp
@@ -31,6 +31,7 @@ void h8520_device::internal_map(address_map &map)
{
if (mode_control() == 2 || mode_control() == 4 || mode_control() == 7)
map(0x0000, 0x3fff).rom().region(DEVICE_SELF, 0);
+ map(0xfd80, 0xff7f).ram(); // TODO: may be disabled by writing 0 to RAME bit in RAMCR
#if 0
map(0xff80, 0xff80).w(FUNC(h8520_device::p1ddr_w));
map(0xff81, 0xff81).w(FUNC(h8520_device::p2ddr_w));