More cbm510 changes to make file I/O and kernal access work

git-svn-id: svn://svn.cc65.org/cc65/trunk@2846 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/cbm510/extzp.s

@@ -13,6 +13,12 @@
 
 .segment        "EXTZP" : zeropage
 
+; The following values get initialized from a table in the startup code.
+; While this sounds crazy, it has reasons that have to do with modules (and
+; we have the space anyway). So when changing anything, be sure to adjust the
+; initializer table
+sysp1:          .res    2
+sysp3:          .res    2
 vic:  		.res    2
 sid:		.res    2
 cia1:		.res    2
@@ -24,5 +30,30 @@ ktab1:		.res    2
 ktab2:	       	.res    2
 ktab3:		.res    2
 ktab4:		.res    2
-time:		.res    4
+
+sysp0:          .word   $0000
+time:	      	.dword 	$0000
+segsave:        .byte   0
+ktmp:           .byte   0
+CURS_X:         .byte   0
+CURS_Y:         .byte   0
+CURS_FLAG:      .byte   0
+CURS_STATE:     .byte   0
+CURS_BLINK:     .byte   0
+CURS_COLOR:     .byte   0
+CHARCOLOR:      .byte   0
+RVS:            .byte   0
+SCREEN_PTR:     .word   0
+CRAM_PTR:       .word   0
+; Stuff for our own kbd polling routine
+keyidx:         .byte   0               ; Number of keys in keyboard buffer
+keybuf:         .res    10              ; Keyboard buffer
+keyscanbuf:     .byte   0
+keysave:        .byte   0
+modkey:         .byte   0
+norkey:         .byte   0
+graphmode:      .byte   0
+lastidx:        .byte   0
+rptdelay:       .byte   0
+rptcount:       .byte   0