move $s1,$t3
It
is easy to get confused about the order of operands.
The move instruction is intended to be
read like an assignment statement of a higher level language:
j = val;
The contents of val is copied into the variable j.
move $s1,$t3
The contents of $t3 is copied into the register $s1.
(Review:) What is in register $t5 after the following
instruction: ori $t5,$0,74