# Print the Hello World phrase.
#
# Here we load the base address of the string
# into register $a0, and use the print_string
# syscall to print the phrase.

.data

hello:  .asciiz "Hello World\n"

.text

main:
         # Function prologue -- even main has one
         subu  $sp, $sp, 24    # allocate stack space -- default of 24 here
         sw    $fp, 0($sp)     # save caller's frame pointer
         sw    $ra, 4($sp)     # save return address
         addiu $fp, $sp, 24    # setup main's frame pointer

         # set up $a0 to hold address of the hello world string
         # then print the string
         la      $a0, hello      # Point to the string
         li      $v0, 4          # syscall value for print_string
         syscall

done:    # Epilogue for main -- restore stack & frame pointers and return
         lw    $ra, 4($sp)     # get return address from stack
         lw    $fp, 0($sp)     # restore the caller's frame pointer
         addiu $sp, $sp, 24    # restore the caller's stack pointer
         jr    $ra             # return to caller's code