MIPS R-Type Instruction
31
26
25
21
20
16
15
11
10
6
5
0
op
rs
rt
rd
sa
fn
MIPS I-Type Instruction
31
26
25
21
20
16
15
0
op
rs
rt
imm
MIPS J-Type Instruction
31
26
25
0
op
target
MIPS Coprocessor Instruction
31
26
25
0
op
copd
MIPS Floating-Point Instruction
31
26
25
21
20
16
15
11
10
6
5
0
op
fmt
ft
fs
fd
fn