On 2013-01-15, at 15:27, Michał Pleban wrote: >> According to my count 186 cycles, although the answer is somewhat more difficult than that: I /would/ need 186 cycles, provided that I would read the incoming bytes off the VIA and be able to decode them on the fly (and the routine is bug-free :-). Since with 40+ cycles on most bytes I can't do it on the fly, I need to read/decode off-the buffer. That would add cycles and put me in the range of 200+ cycles, which is about the same as what 1571 routines do off the buffer. > > Another question: what is the maximum size of lookup tables you can use? I have 8KiB in the drive. I can also shift decoding to the host, which means I can theoretically go over 8KiB if needed. But of course I still need some room left for other things ;-) So - I'd say as a proof of concept I would go for any size that can fit in 64KiB along with the code and I/O areas. For practical use the size has to be reasonable of course but let's not limit it at this moment. -- SD! Message was sent through the cbm-hackers mailing listReceived on 2013-01-15 15:00:36
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