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author arbee <rb6502@users.noreply.github.com>2020-09-27 20:02:47 -0400
committer Vas Crabb <vas@vastheman.com>2020-09-28 12:20:03 +1000
commit1cd4c83c035d33f1a8261b411753b6fc2001c0ea (patch)
tree35cfb7acf862b3e2da454a26219659d55c5c565f /src
parent5001cd0ef47204e37c7a022725627c3a61a52ea8 (diff)
mac128: possible fix for out-of-bounds ROM access [R. Belmont]
Diffstat (limited to 'src')
-rw-r--r--src/mame/drivers/mac128.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/mac128.cpp b/src/mame/drivers/mac128.cpp
index a6bdee192d3..9dcd7c3184e 100644
--- a/src/mame/drivers/mac128.cpp
+++ b/src/mame/drivers/mac128.cpp
@@ -336,7 +336,7 @@ uint16_t mac128_state::ram_r(offs_t offset)
{
if (m_overlay)
{
- return m_rom_ptr[offset];
+ return m_rom_ptr[offset & 0x7ffff];
}
return m_ram_ptr[offset & m_ram_mask];