From 9d2b511fd521fc61ed2eb6f0fc5ed23252ac3190 Mon Sep 17 00:00:00 2001
From: manzerbredes <loic.guegan_secondary@yahoo.fr>
Date: Sat, 18 Jul 2015 10:23:36 +0400
Subject: Add some bios routines

---
 bootloader/clearScreenIntBios.asm | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 bootloader/clearScreenIntBios.asm

(limited to 'bootloader/clearScreenIntBios.asm')

diff --git a/bootloader/clearScreenIntBios.asm b/bootloader/clearScreenIntBios.asm
new file mode 100644
index 0000000..4739430
--- /dev/null
+++ b/bootloader/clearScreenIntBios.asm
@@ -0,0 +1,30 @@
+clearScreenIntBios:
+
+	;Save registers
+	push ax
+	push bx
+	push cx
+	push dx
+
+	mov ax, 0x0600 ;Clear
+	mov bx, 0x0F00 ;Color black behind white foreground
+
+	mov cx, 0x0000 ;Top left corner
+	mov dx, 0x5050 ;Bottom right corner 80x80
+
+	int 0x10 ;Clear the screen
+
+	;Restore registers
+	pop dx
+	pop cx
+	pop bx
+	pop ax
+
+	;Reset Cursor Position
+	call resetCursorPosIntBios
+
+	;Back to previous task
+	ret
+
+;Include resetCursorPosIntBios
+%include "resetCursorPosIntBios.asm"
-- 
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