00100	;System defaults etc.
00200	
00300	   CUR ← 22	;Chr DPY cursor
00350	   CURH ← 23	;CUR+1
00400	
00500	   DCURL ← 171762	;DPY cursor low
00600	   DCURH ← 171763	;DPY cursor high
00700	
00800	   ACIAC ← 176434	;SI/O Control register.
00900	   ACIAD ← 176435	;SI/O Data register.
01000	
01100	   FDSKC ← 176420	;Disk command and status reg.
01200	   FDSKT ← 176421	;Track register
01300	   FDSKS ← 176422	;Sector register
01400	   FDSKD ← 176423	;Data register
01500	
01600	   DSKSEL ← 176437	;Mux and DRQ
01700	
01800	   KBD ← 173370	;Keyboard data register
01900	   KBC ← 173371	;Keyboard control register
02000	
02100	   RTCAL ← 173372	;Timer A low
02200	   RTCAH ← 173373	;Timer A high
02300	   RTCAC ← 173374	;Timer A control
02400	
02500	   RTCBL ← 173375	;Timer B low
02600	   RTCBC ← 173376	;Timer B control