/*******************************************************
*         File:	 one2tenWhile.s
*         Date:	 July 11, 2021
*       Author:  DSS
*    Assembler:  as under the gcc compiler                 
*      Purpose:	 print integers 1 thru 10 using a test at start of loop
*******************************************************/

	
	.global main
	.text
main:

# Originally used %r10 for value but it got clobbered
	mov	$0, %r12	#put value in reg r12
loop:	
	cmp	$10 ,%r12	#compare register values
	je	done		#if reg values were unequal (ctr#=10), iterate
	inc	%r12      	#inc value
	# printf(format,nextValue); 
	# Put format string in %rdi
	# then call printf function
        mov     $format, %rdi
	mov	%r12,%rsi	#put value in %rsi for output (not) in delay slot
        xor     %rax, %rax      #must 0 out %rax; wish I knew why 
	call	printf		#print it
	jmp	loop
done:	
	ret

format:
	.asciz	"%d\n"