On Wednesday 30 November 2011, you wrote: > On 2011-11-30, at 21:25, Groepaz wrote: > > actually most "older software" uses DE00 or DF00, ie whats available at > > the cartridge port. > > I'd have to double check the schematics and pinouts (and my 1541U) but I'd > bet 1541U had an option to map its "SIDs" into $D4XX too when connected to > the "EXAPNSION PORT". > > OTOH (after second thought) it has some relatively powerful logic and > computing capabilities so it might possibly do some tricks not feasible > for simple(r) carts.. ? yes, for de00 and df00 you get a decoded select signal (io1/io2) right at a port pin, for anything else you need your own address decoder... so many/most carts use dexx or dfxx. -- http://www.hitmen-console.org http://magicdisk.untergrund.net http://www.pokefinder.org http://ftp.pokefinder.org Wenn man nicht so gut schwimmen kann, sollte man einfach nicht so weit ins tiefe Wasser gehen. <Bob Marley> Message was sent through the cbm-hackers mailing listReceived on 2011-11-30 22:00:08
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