Strings

# hello.asm­­ A "Hello World" program. 

# Registers used: 

# $v0 ­ syscall parameter and return value. 

# $a0 ­ syscall parameter­­ the string to print. 

.text

.globl __start

__start: 

la $a0, hello_msg # load the addr of hello_msg into $a0. 

li $v0, 4 # 4 is the print_string syscall. 

syscall # do the syscall. 

li $v0, 10 # 10 is the exit syscall. 

syscall # do the syscall. 

# Data for the program: 

.data 

hello_msg: .asciiz "Hello World\n" 

# end hello.asm

# .data

# hello_msg: .ascii "hello"

#   .ascii " "

#   .ascii "World"

#   .ascii "\n"

#   .byte 0

#  or else

# hello_msg: .byte 0x48  (H)

# .byte 0x65  (e)

# etc.

#

# .byte 0x0   (null)

#