On Fri, 24 Aug 2001, Martijn van Buul wrote: > I think Bogax means transfers from expansion mem to expansion mem. (I'm > not sure the original REU supported this. Actually, I think it didn't) It doesn't. > These transfers could be completely internal - no reason to claim the > C64's bus, since it's not involved at all. In *that* case, an > interrupt could very well be handy. An interrupt might also be handy when using the comparison operation on the normal REU. A data compression application could enable the "verify error" interrupt when searching for longest substrings. > Furthermore, since you're not limited to the 1MHz bus of the C64, > you could speedup those transfers. Or you could provide a control interface to the REU clone to an external device. I wonder if the REC registers could be accessed from another processor during a block transfer. Marko Message was sent through the cbm-hackers mailing list
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