# A simple example of a program with functions 
# These functions have no parameters or return values 
# (except for main that returns 0)
# 


	.text
main:       
main__prologue:
	begin
	push	$ra
main__body:
	li	$v0, 4
	la	$a0, msg_main1
	syscall

	jal	f

	li	$v0, 4
	la	$a0, msg_main2
	syscall

	li	$v0, 0
main__epilog:
	pop	$ra
	end
	jr	$ra		# return from main to (__start)

f:
f__prologue:
	begin
	push	$ra
f__body:
	li	$v0, 4
	la	$a0, msg_f1
	syscall

	jal	g

	li	$v0, 4
	la	$a0, msg_f2
	syscall

f__epilog:
	pop	$ra
	end
	jr	$ra		#return
    
g:   
	li	$v0, 4
	la	$a0, msg_g1
	syscall
	
    	jr	$ra		#return


	.data
msg_main1: 	.asciiz "I am in the main\n"
msg_main2: 	.asciiz "I am about to return from the main function\n"
msg_f1: 	.asciiz "I am in the f function\n"
msg_f2: 	.asciiz "I am about to return from the f function\n"
msg_g1:		.asciiz "I am in the g function\n"