extern puts
%include "../inc/length_func.inc"





section .data
	text db "REEEEEEEEEE",0
	text2 db "REEEEEEErEE",0
	differ db "they differ",0
	notdiffer db "they do not differ",0
	textlength dq 0
	text2length dq 0
section .text
	global main

main:
	sub rsp, 8	;enter


;below we are getting the length of each string
;we do this because we dont want to compare with memory that isnt ours

	mov r8, text
	call length_func
	mov [textlength], rax

	mov r8, text2
	call length_func
	mov [text2length], rax

	mov r8, [textlength]
	mov r9, [text2length]

	cmp r8, r9
	jne _differ



	xor rcx, rcx	;we do this to clear garbage in rcx (i have had garbage in it before)
_loop:
;loop tings

	mov r8, text
	add r8, rcx

	mov r9, text2
	add r9, rcx

	mov r10b, [r8]
	mov r11b, [r9]



	cmp r10b, r11b
	jne _differ
	cmp r10b, 0
	je _notdiffer
	cmp r11b, 0
	je _notdiffer
	
	
		
	inc rcx
	jmp _loop



	
_differ:
    	mov rdi, differ
    	cld
    	call puts
    	jmp _end

_notdiffer:
	mov rdi, notdiffer
	cld
	call puts

_end:
	add rsp, 8	;exit
	ret