I have implemented hd floppies with basically a 1581 setup. Not even sure I needed a 2mhz 6502. Overclocked the 1770 though. Details are on my cs/a computer web page. André -- Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet. "Michał Pleban" <email@example.com> schrieb: didier derny wrote: > it may be a problem of speed, on a standard floppy 3 1/2 floppy as far > as I can remember, we have 13 or 14 microseconds > to transfer the data. with a HD it's probably faster and probably why a > dma is needed. As far as I remember, in Amiga HD drives they simply slowed down disk rotation by half, so that the data arrives at the same speed. Similar technique could be used here. Regards, Michau. Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2012-05-02 14:00:15
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