--- /dev/null
+.include "macros.inc"
+
+start
+
+test_name ORHI_1
+mvi r1, 0
+orhi r3, r1, 0
+check_r3 0
+
+test_name ORHI_2
+mvi r1, 0
+orhi r3, r1, 1
+check_r3 0x00010000
+
+test_name ORHI_3
+load r1 0x00010000
+orhi r3, r1, 1
+check_r3 0x00010000
+
+test_name ORHI_4
+mvi r1, 1
+orhi r3, r1, 0
+check_r3 1
+
+test_name ORHI_5
+load r1 0xaa55aa55
+orhi r3, r1, 0x55aa
+check_r3 0xffffaa55
+
+test_name ORHI_6
+load r3 0xaa55aa55
+orhi r3, r3, 0x55aa
+check_r3 0xffffaa55
+
+end