Extended Assembler

## 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

Directives

.text

defines beginning of source code

.globl

identifies global label

Label (symbolic address)

main

Defining data

.data

# defines beginning of data area

arr:

.word

2, 4, 6

# defines array of 3 words (int)

chr:

.byte

65

# defines 1 byte (char)

str:

.asciiz

"a string"

# defines a C-type character string