Very early beta version

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@909

src/ints/dpmi.cpp

@@ -0,0 +1,58 @@
+/*
+ *  Copyright (C) 2002-2003  The DOSBox Team
+ *
+ *  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 Library 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.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include "dosbox.h"
+#include "callback.h"
+#include "mem.h"
+#include "regs.h"
+#include "dos_system.h"
+#include "setup.h"
+#include "inout.h"
+#include "xms.h"
+#include "cpu.h"
+
+
+static bool DPMI_Multiplex(void) {
+	switch (reg_ax) {
+	case 0x1686:	/* Get CPU Mode */
+		reg_ax=1;	/* Not protected */
+		return true;
+		break;
+	case 0x1687:	/* Get Mode switch entry point */
+		reg_ax=0;	/* supported */
+		reg_bx=1;	/* Support 32-bit */
+		reg_cl=4;	/* 486 */
+		reg_dh=0;	/* dpmi 0.9 */
+		reg_dl=9;
+		reg_si=0;	/* No need for private data */
+
+
+
+		break;
+	}
+	return false;
+
+}
+
+void DPMI_Init(Section* sec) {
+	DOS_AddMultiplexHandler(DPMI_Multiplex);
+
+
+}