Outline the machine language instruction format $($i$.$e$.,$ describe how the machine language

instruction is divided into fields and state what each field is used for$),$ and give the decimal

and binary values of each field, for each instruction in the following block of code.

loop: lw to$,12($t$1)$

addi t$0,$ t$0,15$

sub s$0,$ s$1,$ s$2$

bne t$0,$ t$5,$ loop