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author AJR <ajrhacker@users.noreply.github.com>2021-06-14 19:28:23 -0400
committer AJR <ajrhacker@users.noreply.github.com>2021-06-14 19:28:23 -0400
commit5487612a0ecdcf3aa07273c8f413b57a2c5b167e (patch)
treef6bf8b880b4e8a99a8513f1bb3c9d8058f6d5b5f
parent7964256a26faa7b340a6e87e1190565df5414ac3 (diff)
hd6120: Prevent PEX from changing AC
-rw-r--r--src/devices/cpu/pdp8/hd6120.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/cpu/pdp8/hd6120.cpp b/src/devices/cpu/pdp8/hd6120.cpp
index 1455fa7e829..947225ae603 100644
--- a/src/devices/cpu/pdp8/hd6120.cpp
+++ b/src/devices/cpu/pdp8/hd6120.cpp
@@ -1015,6 +1015,7 @@ void hd6120_device::execute_run()
break;
case minor_state::PEX_1:
+ m_temp = m_ac;
m_state = minor_state::PEX_2;
break;