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mac128: possible fix for out-of-bounds ROM access [R. Belmont]

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arbee 2020-09-27 20:02:47 -04:00 committed by Vas Crabb
parent 5001cd0ef4
commit 1cd4c83c03
1 changed files with 1 additions and 1 deletions
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src/mame/drivers/mac128.cpp
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@ -336,7 +336,7 @@ uint16_t mac128_state::ram_r(offs_t offset)
{ {
if (m_overlay) if (m_overlay)
{ {
return m_rom_ptr[offset]; return m_rom_ptr[offset & 0x7ffff];
} }
return m_ram_ptr[offset & m_ram_mask]; return m_ram_ptr[offset & m_ram_mask];