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-rw-r--r--src/devices/bus/a800/telelink2.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/a800/telelink2.cpp b/src/devices/bus/a800/telelink2.cpp
index eb4238258f2..613d9a1ada1 100644
--- a/src/devices/bus/a800/telelink2.cpp
+++ b/src/devices/bus/a800/telelink2.cpp
@@ -48,7 +48,7 @@ void a800_rom_telelink2_device::device_reset()
void a800_rom_telelink2_device::cart_map(address_map &map)
{
// 4-bit NVRAM
- map(0x1000, 0x10ff).lrw8(
+ map(0x1000, 0x10ff).mirror(0xf00).lrw8(
NAME([this](offs_t offset) { return m_nvram_ptr[offset & 0xff]; }),
NAME([this](offs_t offset, u8 data) { m_nvram_ptr[offset & 0xff] = data | 0xf0; })
);