StrhImmediateThumbT1: Fix imm32 decoding

matan1008 · Aug 8, 2023 · 286b92a · 286b92a
1 parent f6c54bb
commit 286b92a
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/armulator/armv6/opcodes/concrete/strh_immediate_thumb_t1.py b/armulator/armv6/opcodes/concrete/strh_immediate_thumb_t1.py
@@ -11,5 +11,5 @@ def from_bitarray(instr, processor):
         index = True
         add = True
         wback = False
-        imm32 = imm5 << 2
+        imm32 = imm5 << 1
         return StrhImmediateThumbT1(instr, add=add, wback=wback, index=index, t=rt, n=rn, imm32=imm32)
diff --git a/tests/armv6_tests/opcode_tests/test_strh.py b/tests/armv6_tests/opcode_tests/test_strh.py
@@ -46,7 +46,7 @@ def test_strh_register_t1(thumb_v6_without_fetch):
 
 def test_strh_immediate_thumb_t1(thumb_v6_without_fetch):
     arm = thumb_v6_without_fetch
-    arm.opcode = 0b1000000001001010
+    arm.opcode = 0b1000000010001010
     arm.opcode_len = 16
     # setting Data Region registers
     arm.registers.drsrs[0].en = 1  # enabling memory region