--- /dev/null
+.include "macros.inc"
+
+start
+
+test_name XORI_1
+mvi r1, 0
+xori r3, r1, 0
+check_r3 0
+
+test_name XORI_2
+mvi r1, 0
+xori r3, r1, 1
+check_r3 1
+
+test_name XORI_3
+mvi r1, 1
+xori r3, r1, 1
+check_r3 0
+
+test_name XORI_4
+mvi r1, 1
+xori r3, r1, 0
+check_r3 1
+
+test_name XORI_5
+load r1 0xaa55aa55
+xori r3, r1, 0x5555
+check_r3 0xaa55ff00
+
+test_name XORI_6
+load r3 0xaa55aa55
+xori r3, r3, 0x5555
+check_r3 0xaa55ff00
+
+end