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-rwxr-xr-xsrc/ucode.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/ucode.py b/src/ucode.py
index 10dd853..9745a7e 100755
--- a/src/ucode.py
+++ b/src/ucode.py
@@ -65,8 +65,8 @@ ucode = [
# BRI 1000 XFFI IIII IIII
branch([*fetch, US_RS, 0, 0, 0, 0, 0],
[*fetch, IM_M|LI_OE|PC_IE, US_RS, 0, 0, 0, 0]),
- # NOP 1001 XXXX XXXX XXXX
- nop(),
+ # LPC 1001 TTTX XXXX XXXX
+ not_branch([*fetch, PC_OE|RW_IE, US_RS, 0, 0, 0, 0]),
# NOP 1010 XXXX XXXX XXXX
nop(),
# NOP 1011 XXXX XXXX XXXX