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-rw-r--r--src/devices/cpu/i386/i386.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/cpu/i386/i386.cpp b/src/devices/cpu/i386/i386.cpp
index d0bb0c8e396..c771e8e48b2 100644
--- a/src/devices/cpu/i386/i386.cpp
+++ b/src/devices/cpu/i386/i386.cpp
@@ -349,7 +349,7 @@ void i386_device::set_flags(uint32_t f )
m_NT = (f & 0x4000) ? 1 : 0;
m_RF = (f & 0x10000) ? 1 : 0;
m_VM = (f & 0x20000) ? 1 : 0;
- m_AC = (f & 0x40000) ? 1 : 0;
+ if(m_cpu_version >= 0x400) m_AC = (f & 0x40000) ? 1 : 0;
m_VIF = (f & 0x80000) ? 1 : 0;
m_VIP = (f & 0x100000) ? 1 : 0;
m_ID = (f & 0x200000) ? 1 : 0;