On 1/21/2016 12:32 PM, Per Olofsson wrote: > On Thu, Jan 21, 2016, at 05:18 PM, Leif Bloomquist wrote: >> Hi all, >> >> I have an idea for a project that would require an external >> microcontroller to be able to "peek" into parts of the C64 Memory. >> >> It wouldn't matter where. I/O1 and I/O2 might be easiest, but some >> unused space like $02A7-$02FF could also work and not interfere with >> external devices. Only would need 8 bytes or so. >> >> What would be the easiest way to go about this? > If what you need is mirroring of a portion of C64 ram I have a FIFO > based bus snooping design that could work, but I haven't had a chance to > verify it. > I'd also be interested in a design, as I have a few ideas that need such an integration. I had been planning to implement 8 registers in a CPLD with dual port access, but maybe there are better ways to do this... Jim -- Jim Brain brain@jbrain.com www.jbrain.com Message was sent through the cbm-hackers mailing listReceived on 2016-01-21 19:00:51
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