Preliminary 186 emulation.

Added MCA variant of the ET4000 VGA card.
Added NE/2 Netware card.
Corrected timings of the NCR 5380-based cards.
Added the WD8003E (8-bit ISA), WD8013EBT (16-bit ISA) and WD8013EP/A
(MCA) network cards.

src/network/net_wd8003.h

@@ -0,0 +1,49 @@
+/*
+ * VARCem	Virtual ARchaeological Computer EMulator.
+ *		An emulator of (mostly) x86-based PC systems and devices,
+ *		using the ISA,EISA,VLB,MCA  and PCI system buses, roughly
+ *		spanning the era between 1981 and 1995.
+ *
+ *		This file is part of the VARCem Project.
+ *
+ *		Definitions for the NE2000 ethernet controller.
+ *
+ * Version:	@(#)net_ne2000.h	1.0.2	2018/03/15
+ *
+ * Authors:	Fred N. van Kempen, <decwiz@yahoo.com>
+ *
+ *		Copyright 2017,2018 Fred N. van Kempen.
+ *
+ * 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.
+ */
+#ifndef NET_WD8003_H
+# define NET_WD8003_H
+
+enum {
+    WD_NONE = 0,
+	WD8003E = 1,				/* 8-bit ISA WD8003E */
+	WD8013EBT = 2,				/* 16-bit ISA WD8013EBT */
+	WD8013EPA = 3				/* MCA WD8013EP/A */
+};
+
+extern const device_t 	wd8003e_device;
+extern const device_t 	wd8013ebt_device;
+extern const device_t 	wd8013epa_device;
+
+#endif	/*NET_WD8003_H*/