Moved additional zero page locations into EXTZP segment so they are usable

inside modules.
Removed readjoy.s and added a loadable joystick driver instead.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1989 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/cbm510/extzp.s

@@ -0,0 +1,30 @@
+;
+; Ullrich von Bassewitz, 2003-02-16
+;
+; Additional zero page locations for the CBM510.
+; NOTE: The zeropage locations contained in this file get initialized
+; in the startup code, so if you change anything here, be sure to check
+; not only the linker config, but also the startup file.
+;
+
+; ------------------------------------------------------------------------
+
+        .include        "extzp.inc"
+
+.segment        "EXTZP", zeropage
+
+vic:  		.res    2
+sid:		.res    2
+cia1:		.res    2
+cia2:  		.res    2
+acia:  		.res    2
+tpi1:		.res    2
+tpi2:  		.res    2
+ktab1:		.res    2
+ktab2:	       	.res    2
+ktab3:		.res    2
+ktab4:		.res    2
+time:		.res    4
+RecvBuf:	.res    2               ; RS232 receive buffer
+SendBuf:	.res    2               ; RS232 transmit buffer
+