Basic loops testHEADmain

1 files changed, 7 insertions, 12 deletions

diff --git a/main.asm b/main.asm
index 7d824c1..f0b6221 100644
--- a/main.asm
+++ b/main.asm
@@ -1,17 +1,12 @@
 global _start
 
-section .data  ; defines a section 
-	msg db "Hello, x86 Assembly Language!", 0x0a
-	len equ $ - msg  ; subtract the location before the message (msg) from the location after the message ($) to get the length
-
 section .text
 _start:
-	mov eax, 4    ; sys_write syscall
-	mov ebx, 1    ; stdout file descriptor
-	mov ecx, msg  ; bytes to write
-	mov edx, len  ; number of bytes to write
-	int 0x80      ; perform syscall
+	mov ebx, 1  ; start at 1
+	mov ecx, 4  ; num iterations
+label:
+	add ebx, ebx  ; ebx += ebx 
+	dec ecx       ; ecx -= 1
+	cmp ecx, 0    ; compare ecx with 0 
+	jg label      ; jump if greater than label
 
-	mov eax, 1    ; sys_exit syscall 
-	mov ebx, 0    ; exit status 0 
-	int 0x80      ; perform syscall