initial commit

Author: randcode-generator

loops.asm

@@ -0,0 +1,35 @@
+global main
+ 
+extern printf
+ 
+section .data
+	fmtStr: db '%i',0xA,0
+
+section .text
+	main:
+	
+	mov		edx, 10			; Copy 10 to edx
+	looping:
+	push	edx				; Save edx by pushing into stack
+	
+	; Load the first argument into the stack
+	sub     esp, 4			; Allocate space on the stack for one 4 byte parameter
+	mov     [esp], edx		; Copy eax into the address of esp
+
+	; Load the format string into the stack
+	sub     esp, 4          ; Allocate space on the stack for one 4 byte parameter
+	lea     eax, [fmtStr]	; Load string into eax
+	mov     [esp], eax      ; Copy eax into the address of esp
+
+	; Call printf
+	call    printf          ; Call printf(3):
+							; int printf(const char *format, ...);
+
+	; Return the stack (pointer) to it's original position (0 elements)
+	add     esp, 8			; Pop the stack (There were 2 "sub esp,4")
+	
+	pop		edx				; Pop the stack and assign value to edx
+	dec		edx				; Decrement edx by 1
+	cmp		edx, 0			; Is edx equal to 0? zf is set if edx is 0
+	jnz		looping			; if flag does not have zf set, go to "looping"
+	ret