From dd7cbebcb41381fdb87e5c8e4d9d988337919c9c Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Fri, 16 Jun 2017 19:22:57 +0200
Subject: switching mode text/graphics, text is distorted

---
 src/drivers/video/vga.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'src/drivers')

diff --git a/src/drivers/video/vga.c b/src/drivers/video/vga.c
index 1ec7829..cf1157c 100644
--- a/src/drivers/video/vga.c
+++ b/src/drivers/video/vga.c
@@ -112,10 +112,30 @@ vga_mode_t vga_make_mode( const int x, const int y, const int color_depth )
 	return mode;
 }
 	
-
+// from http://files.osdev.org/mirrors/geezer/osd/graphics/modes.c
 static vga_mode_t modes[] = {
+	{ 640, 480, 4,
+		{ 
+		/* MISC */
+			0x67,
+		/* SEQ */
+			0x03, 0x00, 0x03, 0x00, 0x02,
+		/* CRTC */
+			0x5F, 0x4F, 0x50, 0x82, 0x55, 0x81, 0xBF, 0x1F,
+			0x00, 0x4F, 0x0D, 0x0E, 0x00, 0x00, 0x00, 0x50,
+			0x9C, 0x0E, 0x8F, 0x28, 0x1F, 0x96, 0xB9, 0xA3,
+			0xFF,
+		/* GC */
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0E, 0x00,
+			0xFF,
+		/* AC */
+			0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
+			0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
+			0x0C, 0x00, 0x0F, 0x08, 0x00
+		},
+		NULL
+	},
 	{ 320, 200, 8,
-		// from http://files.osdev.org/mirrors/geezer/osd/graphics/modes.c
 		{
 		/* MISC */
 			0x63,
-- 
cgit v1.2.3-54-g00ecf