From 99ee6acd69205844daf82a3b7c35aa0f766f8bbc Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sat, 27 Oct 2018 14:09:33 +0200
Subject: [PATCH] Enable A20 line at boot.

---
 Kernel/Boot/boot.asm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Kernel/Boot/boot.asm b/Kernel/Boot/boot.asm
index d759757b28c..cf208c303e9 100755
--- a/Kernel/Boot/boot.asm
+++ b/Kernel/Boot/boot.asm
@@ -21,6 +21,10 @@ boot:
     cmp     al, 0
     jne     .lewp
 
+    ; Enable A20
+    mov     ax, 0x2401
+    int     0x15
+
     mov     bx, 0x1000
     mov     es, bx
     xor     bx, bx              ; Load kernel @ 0x10000