R_type_test.s

add $v1, $v0, $0
add $s0, $s1, $s2
addu $t1, $t2, $t3
and	$s1, $s2, $s3
nor	$a0, $a1, $a2
or $v1, $s1, $t1
slt	$s4, $s5, $s6
sltu $t4, $t5, $t6
sub	$v0, $a0, $t0
subu $a1, $a2, $a3
sll	$s0, $s1, 2
srl	$s1, $s0, 4