William Levak wrote: > > On Sun, 23 Jul 2000, Larry Anderson wrote: > > > and the 'address' for the port is 64784 ($FD10) > > > > but I cannot find an entry for the cooresponding Data Direction Register > > which assigns the bits as input or output.... :/ > > There isn't one. This is a 6529 single port interface (data sheet on > funet). When you read that address, all 8 data lines are read. When you > write, all 8 data lines are written. That's like the PET then, the DDR on it does not do much in relation to this interface (on the VIC and 64 the DDR is very important)... so I'll just define an unused location in the BASIC example. Thanks! -- 01000011 01001111 01001101 01001101 01001111 01000100 01001111 01010010 01000101 Larry Anderson - Sysop of Silicon Realms BBS (209) 754-1363 300-14.4k bps Classic Commodore pages at: http://www.jps.net/foxnhare/commodore.html 01000011 01001111 01001101 01010000 01010101 01010100 01000101 01010010 01010011 - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail firstname.lastname@example.org.
Archive generated by hypermail 2.1.1.