added rule for font source generation

Source/Fonts/Makefile

@@ -0,0 +1,23 @@
+OBJECTS = \
+	font8x8u.asm font8x11u.asm font8x16u.asm \
+	font8x8c.asm font8x11c.asm font8x16c.asm
+
+DEST = ../HBIOS
+TOOLS = ../../Tools
+OTHERS = *.rel
+
+include $(TOOLS)/Makefile.inc
+
+#
+# these 2 rules cancel out the default rules from the Makefile.inc
+#
+%.rel: %.asm
+%.bin: %.asm
+
+%.asm: %.bin
+	$(BINDIR)/bin2asm $< > $@
+
+clobber::
+	for i in $(OBJECTS) ; do \
+		rm -f $(DEST)/$$i ; \
+	done