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-rw-r--r--tb/sim/shifts.S3
-rw-r--r--tb/sim/shifts.py1
2 files changed, 4 insertions, 0 deletions
diff --git a/tb/sim/shifts.S b/tb/sim/shifts.S
index 68ef3f8..6209157 100644
--- a/tb/sim/shifts.S
+++ b/tb/sim/shifts.S
@@ -14,4 +14,7 @@ reset:
# tmp = 0
# r2 = r0 = 00015000
eor r2, r0, r2, asr #7
+ ldr r4, =(512 << 20)
+ ldr r5, =#60
+ lsr r4, r4, r5
mov pc, lr
diff --git a/tb/sim/shifts.py b/tb/sim/shifts.py
index 38f24a2..9923124 100644
--- a/tb/sim/shifts.py
+++ b/tb/sim/shifts.py
@@ -2,3 +2,4 @@ def final():
assert_reg(r0, 0x00015000)
assert_reg(r2, 0x00015000)
assert_reg(r3, 0xaaa9fd55)
+ assert_reg(r4, 0)