improved initialization and Kernal vector handling

c64/basic/via_vector.s

@@ -0,0 +1,40 @@
+
+;;
+;; Helper routines for jumping via vectors, to be used with JSR
+;;
+
+via_IOPEN:
+	jmp (IOPEN)
+
+via_ICLOSE:
+	jmp (ICLOSE)
+
+via_ICHKIN:
+	jmp (ICHKIN)
+
+via_ICKOUT:
+	jmp (ICKOUT)
+
+via_ICLRCH:
+	jmp (ICLRCH)
+
+via_IBASIN:
+	jmp (IBASIN)
+
+via_IBASOUT:
+	jmp (IBASOUT)
+	
+via_ISTOP:
+	jmp (ISTOP)
+	
+via_IGETIN:
+	jmp (IGETIN)
+	
+via_ICLALL:
+	jmp (ICLALL)
+	
+via_ILOAD:
+	jmp (ILOAD)
+	
+via_ISAVE:
+	jmp (ISAVE)