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/banking.s

@@ -1,20 +1,20 @@
 ;
-; Ullrich von Bassewitz, 13.09.2001
+; Ullrich von Bassewitz, 28.09.1998
 ;
-; Banking routines for the 510.
+; Banking routines for the 610.
 ;
 
  	.export		set_bank, sys_bank, restore_bank
-	.importzp     	ptr1
+	.importzp      	ptr1, segsave
 
-	.include      	"cbm510.inc"
+	.include       	"cbm510.inc"
 
 .code
 
 .proc	sys_bank
 	pha
 	lda  	IndReg
-	sta  	IndSegSave
+	sta  	segsave
 	lda  	#$0F
 	sta  	IndReg
 	pla
@@ -24,7 +24,7 @@
 .proc	set_bank
 	pha
 	lda  	IndReg
-	sta  	IndSegSave
+	sta  	segsave
 	pla
 	sta  	IndReg
 	rts
@@ -32,7 +32,7 @@
 
 .proc	restore_bank
 	pha
-	lda	IndSegSave
+	lda	segsave
 	sta	IndReg
 	pla
 	rts