Loading Register Eight

Yes. All software consists of interconnected modules. A connection is made when one module refers to an address in another.

The next line: ori $8,$0,0x2 translates into a 32-bit machine instruction. The machine instruction, upon execution, puts a 32-bit two's complement positive two into register eight (details later).

## Program to add two plus three 
        .text
        .globl  main

main:
        ori     $8,$0,0x2       # put two's comp. two into register 8
        ori     $9,$0,0x3       # put two's comp. three into register 9
        addu    $10,$8,$9       # add register 8 and 9, put result in 10

## End of file

The instruction after that translates into a machine instruction that (upon execution) puts a three into register nine. The final instruction translates into a machine instruction that (upon execution) adds register eight to register nine and puts the 32-bit result into register ten.