Added condes IRQ routines and a README file.

Made k_blncur a condes IRQ routine and moved it to cgetc.s.
Added mouse and joystick routines.


git-svn-id: svn://svn.cc65.org/cc65/trunk@951 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/cbm510/Makefile

@@ -21,13 +21,14 @@ OBJS =	_scrsize.o	\
 	cputc.o		\
        	crt0.o 	 	\
        	kbhit.o	 	\
-	kblncur.o	\
        	kirq.o 	 	\
        	kplot.o	 	\
 	kscnkey.o	\
 	kudtim.o 	\
+	mouse.o		\
 	peeksys.o	\
 	pokesys.o	\
+	readjoy.o	\
 	rs232.o
 
 all:	$(OBJS)