Updated LAN driver

- changed directory layout
- Multicast support (automatic RX filter adjustment)
- MC68000 target in Makefile
- clarified licensing (GPLv3)
- README files

Driver/baxnet/source/debug.h

@@ -0,0 +1,25 @@
+/*
+  debug.h
+
+  (C) 2018 Henryk Richter <henryk.richter@gmx.net>
+
+  Debugging Macros
+
+
+*/
+#ifndef _INC_DEBUG_H
+#define _INC_DEBUG_H
+
+#ifdef DEBUG
+extern void KPrintF(char *, ...), KGetChar(void);
+
+#define D(_x_) do { KPrintF("%s:%ld:",__FILE__,__LINE__); KPrintF _x_; } while(0)
+
+#else  /* DEBUG */
+
+#define D(x)
+
+#endif /* DEBUG */
+
+
+#endif /* _INC_DEBUG_H */