test-spim-itype.asc

3c1000ff ## lui $s0, 0xff                 # $s0 = 0x00ff0000
2011ffff ## addi $s1, $zero, -1           # $s1 = 0xffffffff (-1)
2012ffff ## addi $s2, $zero, -1           # $s2 = 0xffffffff (-1)
2a280000 ## slti $t0, $s1, 0              # $t0 = 1 ($s1 < 0)
20090001 ## addi $t1, $zero, 1            # $t1 = 1, to verify $t1 set next
2e290000 ## sltiu $t1, $s1, 0             # $t1 = 0 ($s1 !< 0, if $s1 unsigned)
12320001 ## beq $s1, $s2, branch          # branch to 200a0002 ($s1 == $s2)
200a0001 ## addi $t2, $zero, 1            # $t2 = 1 (should not be executed)
200a0002 ## branch: addi $t2, $zero, 2    # $t2 = 2
0800100b ## j jump                        # jump to 200b0003
200c0004 ## addi $t4, $zero, 4            # $t4 = 4 (should not be executed)
200b0003 ## jump: addi $t3, $zero, 3      # $t3 = 3
00000000 ## halt - illegal instruction (sll not implemented in project)