On 06/30/2016 12:28 AM, Segher Boessenkool wrote: > On Wed, Jun 29, 2016 at 09:09:26PM +0100, smf wrote: >> It's much more likely to always be 5. Rockwell say it's 5 on one page >> and imply it's 5/6/7 on another, so one page is definitely wrong as they >> disagree & the 5/6/7 doesn't make sense. If you go for 4/5/6 then you're >> assuming that both pages are wrong. Which is possible, but much less >> likely than them putting an ** on one page when it wasn't meant to be there. > > 4/5/6 does make sense with the cycle descriptions though; or, if it is > constant time (which I seriously doubt), 4 always. > >> Unless you get hold of some hardware to verify it, or some software that >> is sensitive to timing that has been developed on real hardware then >> it's actually not that important. > > Yeah. > >> More important is the 65ce02, where the instructions take less clock >> cycles as it's the basis for the commodore 65. I don't think commodore >> used 65c02 in anything. > > 4510... Not so certain that is the same as 65CE02. According to https://en.wikipedia.org/wiki/CSG_65CE02 it is... Should be easy enough to verify for someone who has a working C65. Does the 4510 have the 16Bit Stackpointer and the Z-Indexregister of the 65CE02? Gerrit Message was sent through the cbm-hackers mailing listReceived on 2016-06-29 23:00:30
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