diff --git a/ft_list_sort.s b/ft_list_sort.s
index b1b3615..3e807d4 100644
--- a/ft_list_sort.s
+++ b/ft_list_sort.s
@@ -7,10 +7,13 @@ ft_list_sort:
 	push r12 ; callee saved
 	push r13 ; same
 	push r14 ; same
+	push r15
+	cmp qword [rdi], 0
+	je .done
 	mov r12, 0 ; r12 "prev" = NULL
 	mov r13, [rdi] ; r13 "curr" = begin_list
-	mov r14, [rdi] ; r14 begin_list memory
-	mov rcx, rsi ; rcx = cmp_func
+	mov r14, rdi ; r14 begin_list memory
+	mov r15, rsi
 
 .loop:
 	cmp qword [r13 + 8], 0 ; if curr->next is null then exit
@@ -21,40 +24,69 @@ ft_list_sort:
 	;push rbx ; rbx is caller saved
 	;push r13 ; same
 	; align stack here ?
-	sub rsp, 0; align stack ???
-	call rcx
-	add rsp, 0
+	sub rsp, 72; align stack ???
+	call r15
+	add rsp, 72
 	;pop rdx ; rdx is caller saved
 	;pop rbx ; rbx is caller saved
-	cmp rax, 0
+	cmp eax, 0
 	jle .else ; if in order continue...
-	cmp r13, r14
+	cmp r13, [r14]
 	je .is_first_elem
-	mov rbx, [r12 + 8]
+
+
+	mov rdx, [r13 + 8]
+	mov [r12 + 8], rdx
+
 	mov rbx, [r13 + 8]
-	mov rbx, [r13 + 8]
-	mov rbx, [rbx + 8]
-	mov [r13 + 8], rbx
+	mov rdx, [rbx + 8]
+	mov [r13 + 8], rdx
+
 	mov rbx, [r12 + 8]
-	mov rbx, [rbx + 8]
-	mov rbx, r13
+	mov [rbx + 8], r13
+
+	mov r12, 0
+	mov r13, [r14]
+	;mov rbx, [r13 + 8]
+	;mov rbx, [r13 + 8]
+	;mov rbx, [rbx + 8]
+	;mov [r13 + 8], rbx
+	;mov rbx, [r12 + 8]
+	;mov rbx, [rbx + 8]
+	;mov rbx, r13
+	;mov r12, 0, ; reset prev
+	;mov r13, [r14] ; reset curr
 	jmp .loop
 
 .is_first_elem:
-	mov r14, [r13 + 8]
+	;mov r14, [r13 + 8] ; begin_list = curr->next
+	;mov rbx, [r13 + 8] ; rbx = curr->next
+	;mov rdx, [rbx + 8] ; rbx = curr->next->next
+	;mov [r13 + 8], rdx ; curr->next = curr->next->next
+	;mov [r14 + 8], r13 ; begin_list->next = curr
+
+	;mov rdx, [r13 + 8]
 	mov rbx, [r13 + 8]
-	mov rbx, [rbx + 8]
-	mov [r13 + 8], rbx
-	mov [r14 + 8], r13
+	mov [r14], rbx
+	;je .done
+	mov rbx, [r13 + 8]
+	mov rdx, [rbx + 8]
+	mov [r13 + 8], rdx
+	mov rbx, [r14]
+	mov [rbx + 8], r13
+	;jmp .done
+	mov r12, 0 ; reset prev
+	mov r13, [r14] ; reset curr
 	jmp .loop
 
 .else: ; ...here
-	mov r12, rdx ; prev = curr;
-	mov rdx, [rdx + 8] ; curr = curr->next;
+	mov r12, r13 ; prev = curr;
+	mov r13, [r13 + 8] ; curr = curr->next;
 	jmp .loop
 
 
 .done:
+	pop r15
 	pop r14
 	pop r13 ; restore stack and return
 	pop r12
diff --git a/main.c b/main.c
index 808b54b..82ee520 100644
--- a/main.c
+++ b/main.c
@@ -3,6 +3,15 @@
 #include <stdio.h>
 #include "libasm.h"
 
+int ft_strcmp(const char *s1, const char *s2) {
+	printf("s1: %ss2: %s", s1, s2);
+	while (*s1 && *s2 && *s1 == *s2) {
+		s1++;
+		s2++;
+	}
+	return *s1 - *s2;
+}
+
 int main(void) {
 	t_list *list;
 
@@ -21,7 +30,71 @@ int main(void) {
 	printf("%lu\n", sizeof(t_list));
 	printf("%d\n", ft_list_size(list));
 
-	ft_list_sort(&list, &strcmp);
-	printf("On est sorti.e.s de cet enfer\n");
+	ft_list_sort(&list, &ft_strcmp);
+
 	ft_list_print(list);
+
+	t_list *a;
+
+	a = NULL;
+	ft_list_push_front(&a, "d\n");
+	ft_list_push_front(&a, "c\n");
+	ft_list_push_front(&a, "b\n");
+	ft_list_push_front(&a, "a\n");
+
+	ft_list_print(a);
+
+	ft_list_sort(&a, &ft_strcmp);
+
+	printf("On est sorti.e.s de cet enfer\n");
+	ft_list_print(a);
+
+	t_list *b;
+
+	b = NULL;
+	ft_list_push_front(&b, "ziziron\n");
+	ft_list_push_front(&b, "abalon\n");
+	ft_list_push_front(&b, "zebulon\n");
+	ft_list_print(b);
+	ft_list_sort(&b, &ft_strcmp);
+	ft_list_print(b);
+
+	t_list *null = NULL;
+
+	ft_list_sort(&null, &ft_strcmp);
+
+	t_list *begin_ok = NULL;
+
+	ft_list_push_front(&begin_ok, "c");
+	ft_list_push_front(&begin_ok, "f");
+	ft_list_push_front(&begin_ok, "b");
+	ft_list_push_front(&begin_ok, "h");
+	ft_list_push_front(&begin_ok, "e");
+	ft_list_push_front(&begin_ok, "l");
+	ft_list_push_front(&begin_ok, "d");
+	ft_list_push_front(&begin_ok, "i");
+	ft_list_push_front(&begin_ok, "j");
+	ft_list_push_front(&begin_ok, "k");
+	ft_list_push_front(&begin_ok, "g");
+	ft_list_push_front(&begin_ok, "a");
+
+	ft_list_print(begin_ok);
+	printf("\n");
+	ft_list_sort(&begin_ok, &ft_strcmp);
+
+	printf("\n");
+	printf("\n");
+	ft_list_print(begin_ok);
+	printf("\n");
+
+	t_list *c = NULL;
+	ft_list_push_front(&c, "b\n");
+	ft_list_push_front(&c, "c\n");
+	ft_list_push_front(&c, "a\n");
+	ft_list_print(c);
+	ft_list_sort(&c, *ft_strcmp);
+	ft_list_print(c);
+
+	return 0;
 }
+