SystemID DOS
0	S	_	1		New addresses
023B9A18	d	u	0	Physical RAM	Hole number (-1)
00307F80	d	u	0	Physical RAM	Related to cursor?
0069DF4C	d	u	0	Physical RAM	Ball can be played
023B9A04	w	u	0	Physical RAM	X (read only)
023B9A06	w	u	0	Physical RAM	Y (read only)
0	S	_	1		Old addresses
023DB7B8	d	u	0	Physical RAM	Hole number (old)
023DB7A4	w	u	0	Physical RAM	X (read only)
023DB7A6	w	u	0	Physical RAM	Y (read only)