# Useless program to illustrate	some logical instructions
#
	.text
	.globl	main
main:
	addi $t0, $zero, -0xff	# Put -255 into	t0
	addi $t1, $zero, 255	# Put 255 into t1
	add  $t2, $zero, $t0	# Make an extra	copy of	t0
	add  $t3, $zero, $t1	# and a	copy of	t1
	srl  $t2, $t0, 4	# Shift	-255 to	the right 4 bits
	srl  $t3, $t0, 4	# Shift	 255 to	the right 4 bits
	addu  $t2, $zero, $t0	# Restore t2 to	-255
	addu  $t3, $zero, $t1	# and t3 to 255
	sll  $t2, $t0, 3	# Shift	-255 to	the left 3 bits
	sll  $t3, $t1, 3	# Shift	 255 to	the left 3 bits

	# Illustrate isolating bits 5 through 10

	addi $t4, $zero, -1	# Put all 1's in $t4
	sll $t4, $t4, 21	# Shift	31-10 to the left
	srl $t4, $t4, 26	# Shift	31-10+5	to right
	sll $t4, $t4, 5		# Shift	5 left (if you want them in original spot)