From 2fd4a98dde24bd34daeb5122e33ef846b490248f Mon Sep 17 00:00:00 2001
From: Sjoerd van der Berg <harekiet@users.sourceforge.net>
Date: Thu, 4 Sep 2003 15:49:00 +0000
Subject: [PATCH] Initial font selection

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1228
---
 src/hardware/vga.h       | 2 ++
 src/hardware/vga_seq.cpp | 8 +++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/hardware/vga.h b/src/hardware/vga.h
index 6f928bbb..51d0edc8 100644
--- a/src/hardware/vga.h
+++ b/src/hardware/vga.h
@@ -115,6 +115,8 @@ typedef struct {
 	Bitu lines;
 	Bit8u font_height;
 	Bit8u font[64*1024];
+	Bitu font1_start;
+	Bitu font2_start;
 	Bitu rows,cols;
 	struct {
 		Bit8u sline,eline;
diff --git a/src/hardware/vga_seq.cpp b/src/hardware/vga_seq.cpp
index c608cc69..4433f765 100644
--- a/src/hardware/vga_seq.cpp
+++ b/src/hardware/vga_seq.cpp
@@ -67,7 +67,13 @@ void write_p3c5(Bit32u port,Bit8u val) {
 		*/
 		break;
 	case 3:		/* Character Map Select */
-		seq(character_map_select)=val;
+		{
+			seq(character_map_select)=val;
+			Bit8u font1=(val & 0x3) | ((val & 0x10) >> 2);
+			vga.draw.font1_start=((font1&3) * 16*1024) + ((font1 > 4) ? (8*1024) : 0);
+			Bit8u font2=((val & 0xc) >> 2) | ((val & 0x20) >> 3);
+			vga.draw.font2_start=((font2&3) * 16*1024) + ((font2 > 4) ? (8*1024) : 0);
+		}
 		/*
 			0,1,4  Selects VGA Character Map (0..7) if bit 3 of the character
 					attribute is clear.