PRINT_STRING=4

#void f(void);

main:	#int main(void) {
	move	$t6, $ra
	la	$a0, call_msg
	li	$v0, PRINT_STRING
	syscall				#printf("calling function f\n");
	jal	f
	jal	f

	la	$a0, back_msg
	li	$v0, PRINT_STRING
	syscall				# printf("back from function f\n");

	li	$v0, 0			# return 0;
	move	$ra, $t6
	jr	$ra

f:					# void f(void) {
	la	$a0, in_f_msg
	li	$v0, PRINT_STRING
	syscall				# prprintf("in function f\n");
	
	jr	$ra
	#####

	.data

call_msg:
	.asciiz "calling function f\n"
back_msg:
	.asciiz "back from function f\n"
in_f_msg:
	.asciiz "in function f\n"