added strnum

its currently written in zombie proto asm... fix

CMakeLists.txt

@@ -21,3 +21,5 @@ add_executable(length length.asm)
 add_executable(yes yes.asm)
 add_executable(case case.asm)
 add_executable(diff diff.asm)
+add_executable(strnum strnum.asm)
+

strnum.asm

@@ -0,0 +1,85 @@
+extern puts
+
+%include "../inc/length_func.inc"
+
+section .data
+	text db "42",0
+section .text
+	global main
+
+main:
+	sub   rsp, 8
+
+
+	mov r8, text
+	call length_func
+	mov r9, rax
+	mov r11, r9
+
+	mov r8, text
+_loop:
+	mov r10b, [r8] 
+	cmp r10b, 0
+	jz _exitloop		;if its zero we have reached the end of the string
+
+
+	mov r10b, [r8]
+	sub r10b, 48	; change "0" into 0
+	mov [r8], r10b
+
+
+	add r8, 1
+	jmp _loop
+
+
+	xor rcx, rcx
+	add rcx, 1
+_exitloop:
+	cmp r9, r8
+	je _addvalues
+
+	
+
+	mov r10b [r9]
+	mul r10b, rcx
+	mov [r9], r10b
+	
+	sub r9, 1
+	mul rcx, 10
+
+	jmp _exitloop
+
+	add r9, 1
+_addvalues:
+    	cmp r9, r11
+    	je _end
+
+
+	mov r10b, [r8]
+    	mov r11b, [r9]
+	add r11b, r10b
+	mov [r9], r11b
+
+	
+
+	add r8, 1
+	add r9, 1
+
+	jmp _addvalues
+	;this returns the r8 pointer
+
+
+
+	;mov rdi, text
+	;cld
+	;call puts	;this is the put s way of printing a string
+
+_end:
+	add rsp, 8
+	ret
+	
+;	mov rax, 60		; exit
+;	mov edi, 1 		; error 1 dont need the exit anymore beacue libc or somthing
+;	syscall
+
+