From bbfcd42f619646c6014a649e93d93ec2f2ccc8e6 Mon Sep 17 00:00:00 2001
From: Ain <41307858+nero@users.noreply.github.com>
Date: Tue, 21 Apr 2020 20:22:42 +0200
Subject: [PATCH] Set up interrupt table at startup directly (less code), not
 calling setint

---
 boot/kernel.asm | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/boot/kernel.asm b/boot/kernel.asm
index a31d9a3..f971134 100644
--- a/boot/kernel.asm
+++ b/boot/kernel.asm
@@ -244,14 +244,12 @@ init:	cli
 	call select
 
 	; Set int 0x20 to 0x2F
-	mov bx, ivects+0x7C00-$$
+	mov di, (0x20*4)
+	mov si, ivects+0x7C00-$$
 	mov cx, 0x10
-	mov al, 0x20
-.loop:	mov dx, [bx]
-	call setint
-	inc al
-	inc bx
-	inc bx
+.loop:	movsw
+	mov ax, cs
+	stosw
 	loop .loop
 
 	mov si, banner