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-rw-r--r--src/devices/cpu/ks0164/ks0164.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/cpu/ks0164/ks0164.cpp b/src/devices/cpu/ks0164/ks0164.cpp
index f4122eeab5d..0c337a2bf11 100644
--- a/src/devices/cpu/ks0164/ks0164.cpp
+++ b/src/devices/cpu/ks0164/ks0164.cpp
@@ -577,7 +577,7 @@ void ks0164_cpu_device::execute_run()
m_r[R_PC] += 2;
m_r[r] --;
- if(m_r[r] != 0xffff)
+ if(m_r[r] != 0)
m_r[R_PC] = a;
break;
}