Description

Assembly Language Programming

Purpose

Learn to develop assembly language programs.

Method

Translate a simple program from a higher-level language into assembly language.

Files to use

What to Hand In

Completed oddeven.asm, swap.asm

1. Write a MIPS program with comments that loads a random integer from memory (use the .word assembler directive) and determines whether the number is odd or even. If the number is odd write a ‘1’ to register 15 ($t7) if the number is even write a ‘0’ to register 15.

1. Write a MIPS program with comments that swaps the contents of the two consecutive memory locations with the two other consecutive locations.

Example :          (2000) : 45        (3000) : 78

(2004) : 67        (3004) : 90

before execution

(2000) : 78        (3000) : 45

(2004) : 90        (3004) : 67

after execution

Use labels in your program instead of absolute addresses as below

first_loc            .word    45,67

sec_loc             .word    78,90

To load the addresses to registers, use the pseudo instruction la (load address) as below :

la $1, first_loc               # address first_loc is loaded to register 1

CPSC 250 Lab 1