MIPS machine encoding

Name Format op   rs    rt    rd   shamt funct    | symbolic form

add    R    0     2     3     1     0     32     | add $1, $2, $3
sub    R    0     2     3     1     0     34     | sub $1, $2, $3
slt    R    0     2     3     1     0     42     | slt $1, $2, $3
jr     R    0    31     0     0     0      8     | jr  $31
addi   I    8     2     1       100              | addi $1, $2, 100
lw     I   35     2     1       100              | lw   $1, 100($2)
sw     I   43     2     1       100              | sw   $1, 100($2)
lui    I   15     0     1       100              | lui  $1, 100
beq    I    4     1     2       100              | beq  $1, $2, 100
bne    I    5     1     2       100              | bne  $1, $2, 100
slti   I   10     2     1       100              | slti $1, $2, 100
j      J    2            10000                   | j   10000
jal    J    3            10000                   | jal 10000

and    R    0     2     3     1     0     36     | and $1, $2, $3
or     R    0     2     3     1     0     37     | or  $1, $2, $3
andi   I   12     2     1       100              | andi $1, $2, 100
ori    I   13     2     1       100              | ori $1, $2, 100
sll    R    0     0     2     1     4      0     | sll $1, $2, 4 
srl    R    0     0     2     1     4      2     | srl $1, $2, 4

add.s  R   17    16     6     4     2      0     | add.s $f2, $f4, $f6
sub.s  R   17    16     6     4     2      1     | sub.s $f2, $f4, $f6
mul.s  R   17    16     6     4     2      2     | mul.s $f2, $f4, $f6
div.s  R   17    16     6     4     2      3     | div.s $f2, $f4, $f6
lwc1   I   49     2     1       100              | lwc1 $f1, 100($2)
swc1   I   57     2     1       100              | swc1 $f1, 100($2)
bc1t   I   17     8     1       100              | bc1t 100
bc1f   I   17     8     0       100              | bc1f 100
c.lt.s R   17    16     4     2     0     60     | c.lt.s $f2, $f4 

            6     5     5     5     5      6     | bit width