MIPS Reference

Name	syntax	Meaning	Op Hex	Op Bin
Add	add $rd,$rs, $rt	$rd=$rs + $rt	0/20	0/100000
Add Immd.	addi $rt,$rs, imm	$rt=$rs + imm	8	001000
And	and $rd,$rs, $rt	$rd=$rs & $rt	0/24	0/100100
And Immd.	andi $rt,$rs, imm	$rt=$rs & imm	c	001100
Branch on Equal	beq $rs,$rt, L	if ($rs==$rt) PC = L	4	000100
Branch on Not Equal	bne $rt,$rt, L	if ($rt!=$rt) PC = L	5	000101
Jump	j L	PC = L	2	000010
Jump and Link	jal L	$ra = PC; PC = L	3	000011
Jump Register	jr $rs	goto Addr($rs)	0/08	0/001000
Load Upper Immd.	lui $rt, imm	$rt = {imm, 16’b0}	f	001111
Load Word	lw $rt, imm($rs)	$rt = M[$rs + imm]	23	100011
Nor	nor $rd,$rs, $rt	$rd = ~($rs\Vert$rt)	0/27	0/100111
Or	or $rd,$rs, $rt	$rd=$rs | $rt	0/25	0/100101
Or Immd.	ori $rt,$rs, imm	$rt=$rs | imm	d	001101
Set Less Than	slt $rd,$rs, $rt	if ($rs<$rt) $rd=1;else$rd = 0	0/2a	0/101010
Set Less Than Immd.	slti $rt,$rs, imm	if ($rs<imm)$rt = 1; else $rt = 0	a	001010
Shift Left Logical	sll $rd,$rt, shamt	$rd=$rs << shamt	0/00	0/0
Shift Right Logical	srl $rd,$rt, shamt	$rd=$rt >> shamt	0/02	0/000010
Store Byte	sb $rt, imm($rs)	M[rs + imm\] = rt	28	101000
Store Word	sw $rt, imm($rs)	M[rs + imm\] = rt	2b	101011
Subtract	sub $rd,$rs, $rt	$rd=$rs - $rt	0/22	0/100010