>>>>> "RB" == Ruud Baltissen <Ruud.Baltissen@abp.nl> writes: RB> Hallo Per, I can add at least one simplification to your design. RB> RAM doesn't care what addresspin is connected to which RB> addressline. Ah, of course. That's what I get for designing expansions in the middle of the night :) RB> The reason you cannot use this trick with ROMs (like replacing a RB> 2364 with a 2764) is obvious: you cannot use ROMs programmed by RB> people using the the original pinouts. Fortunately there's a 2364 -> 2764 adaptor in every Swedish C64. Quite handy :) RB> The simplification is 1) connect RAM-pin 23 (A11) to ROM-pin 21 RB> (A12) 2) connect RAM-pin 2 (A12) to ROM-pin 18 (A11) I'll add this to the page. Thanks! -- ___ . . . . . + . . o _|___|_ + . + . + . . Per Olofsson, konstnär o-o . . . o + MagerValp@cling.gu.se - + + . http://www.cling.gu.se/~cl3polof/ - This message was sent through the cbm-hackers mailing list. To unsubscribe: echo unsubscribe | mail email@example.com.
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