On Sunday 09 March 2014, you wrote: > On 03/09/2014 10:01 AM, smf wrote: > >> If set to input in the DDR they should read as '1' > > > > Only if there is a pull up resistor on the undefined bits, which there > > may or may not be. > > If it's the normal 6525 die (and I doubt Commodore made a new die just > for that, much easier just use a different package), then there should be. > > Should be easy enough to check by someone with a working 6523T. > > > (*) I'm guilty of that though, so I admire the intention to get it > > right. I guess there is a potential that someone wrote custom code for > > accessing the 1551 as well, so just looking at the rom isn't necessarily > > enough. krills loader, which is somewhat popular among demo coders, supports the 1551 on plus4 -> http://csdb.dk/release/?id=118713 -- http://www.hitmen-console.org http://magicdisk.untergrund.net http://www.pokefinder.org http://ftp.pokefinder.org I don't know what my IQ is. People who gloat about their IQ's are losers <Stephen Hawking> Message was sent through the cbm-hackers mailing listReceived on 2014-03-09 22:00:07
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