1 files changed, 81 insertions, 0 deletions
diff --git a/WinQuake/vregset.c b/WinQuake/vregset.c
new file mode 100644
index 0000000..ce009c8
--- /dev/null
+++ b/WinQuake/vregset.c
@@ -0,0 +1,81 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+//
+// vregset.c: video register-setting interpreter
+//
+
+#include <dos.h>
+#include <conio.h>
+
+#include "quakedef.h"
+#include "vregset.h"
+
+//#define outportb	loutportb
+
+void loutportb (int port, int val)
+{
+	printf ("port, val: %x %x\n", port, val);
+	getch ();
+}
+
+/*
+================
+VideoRegisterSet
+================
+*/
+void VideoRegisterSet (int *pregset)
+{
+	int		port, temp0, temp1, temp2;
+
+	for ( ;; )
+	{
+		switch (*pregset++)
+		{
+			case VRS_END:
+				return;
+
+			case VRS_BYTE_OUT:
+				port = *pregset++;
+				outportb (port, *pregset++);
+				break;
+
+			case VRS_BYTE_RMW:
+				port = *pregset++;
+				temp0 = *pregset++;
+				temp1 = *pregset++;
+				temp2 = inportb (port);
+				temp2 &= temp0;
+				temp2 |= temp1;
+				outportb (port, temp2);
+				break;
+
+			case VRS_WORD_OUT:
+				port = *pregset++;
+				outportb (port, *pregset & 0xFF);
+				outportb (port+1, *pregset >> 8);
+				pregset++;
+				break;
+
+			default:
+				Sys_Error ("VideoRegisterSet: Invalid command\n");
+		}
+	}
+}
+