From 35e9aec059278773ceba1745b1aa2ce3314f7ed6 Mon Sep 17 00:00:00 2001
From: Elaina Claus <elaina.claus@chtm.me>
Date: Sun, 13 Oct 2024 17:52:09 -0400
Subject: [PATCH] fixed bss init in mbr

---
 src/mbr/mbr.nasm | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/src/mbr/mbr.nasm b/src/mbr/mbr.nasm
index ba036de..02f61e4 100755
--- a/src/mbr/mbr.nasm
+++ b/src/mbr/mbr.nasm
@@ -51,20 +51,13 @@ init:
 
     ;
     ; Zero BSS section
-    ;
-    mov cx, (end_bss - begin_bss)     ; count = bss length
-
+    mov cx, (end_bss - begin_bss)     ; count = bss length                    
     mov ax, begin_bss
-    shr ax, 4
-    mov es, ax                        ; es = begining of bss section
-
+    mov di, ax                        ; es:di is dest
     xor ax, ax
-    mov di, ax                        ; dst = 0
-
     cld
     rep stosb                         ; zero bss section
 
-    xor ax, ax
     mov ss, ax                      ; Set Stack Segment to 0
     mov sp, stack_top               ; Setup stack
     mov bp, sp                      ; base ptr = stack ptr