CMakeLists.txt

@@ -20,4 +20,4 @@ add_link_options(-fno-pie -m64 -no-pie -pedantic-errors)
 add_executable(length length.asm)
 add_executable(yes yes.asm)
 add_executable(case case.asm)
-add_executable(diff diff.asm)
+

case.asm

@@ -1,19 +1,14 @@
 extern puts
 
-%include "../inc/length_func.inc"
-
 section .data
 	text db "rEEEeee!EEeeeEeEEeE!EEEEEeEEE$eeeEE)EEeEeEEeeeEeEEEEEeeeEeeEeeEeeeeeEeEeEeeE",0
-	textlength db 0
+	textlength db 76
 section .text
 	global main
 
 main:
 	sub rsp, 8	;enter
 
-	mov r8, text 	;get textlength
-	call length_func
-	mov [textlength], rax
 
 
 	xor rcx, rcx	;we do this to clear rcx incase it had garbage in it before

diff.asm

@@ -1,84 +0,0 @@
-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

length.asm

@@ -1,17 +1,16 @@
 extern puts
 extern printf
 default rel
-%include "../inc/length_func.inc"
+%include "../length_func.inc"
 
 
 
 
 section .rodata
-	format db "%#d", 10, 0
+	format db "%#x", 10, 0
 
 section .data
-	text db "rEE",0
+	text db "rEEEeee!EEeeeEeEEeE!EEEEEeEEE$eeeEE)EEeEeEEeeeEeEEEEEeeeEeeEeeEeeeeeEeEeEeeE",0
-	testasd dq 0
 section .text
 	global main
 
@@ -22,16 +21,22 @@ main:
 
 	mov r8, text
 	call length_func
-	mov [testasd], rax
 
 
-	mov   rsi, [testasd]
+
+	mov rdi, text
+	cld
+	call puts	;this is the puts way of printing a string
+
+
+	mov   rsi, r8
 	lea   rdi, [rel format]
 	xor   eax, eax		   ; AL=0  no FP args in XMM regs
 	call  printf
 
 
 
+
 _end:
 	add rsp, 8	;exit
 	ret

length_func.inc

@@ -1,9 +1,9 @@
 
 length_func:
 
-	mov r10, r8
 _loop67865432:
 
+
 	mov r9b, [r8]
 	cmp r9b, 0
 	jz _exitloop4323567
@@ -11,7 +11,11 @@ _loop67865432:
 
 	jmp _loop67865432
 _exitloop4323567:
+	dec r8		; idk how to do it properly do im doing this instead
+
+	dec r8
+	dec r8
+	dec r8
 
-	sub r8, r10
 	mov rax, r8
 	ret