On Wednesday 21 June 2017, 16:40:03 firstname.lastname@example.org wrote: > According to the famous document by Chris Bauer, there are three timing > variants of the VIC-II. While PAL is always 63 cycles per line, with NTSC > there can be either 64 or 65 cycles per line and I am in fact able to > reproduce the difference with -model ntsc and -model oldntsc in the current > VICE. > > The question (before I spend weekend on trial'n error counting cycles and > possibly reinventing the hammer ;-) is: do we have ane established, > reliable software method for detecting which NTSC VIC-II is installed in > the machine? I guess it must have been done multiple times by now and used > in some NTSC games/demos.. most demos or games probably dont care about detecting the difference - as the 64 cycle VIC is extremely rare. however, iirc on codebase there are some detection routines. basically just count the cycles for a line (or a frame) using a CIA timer. -- http://www.hitmen-console.org http://magicdisk.untergrund.net http://www.pokefinder.org http://ar.pokefinder.org The weirder you are going to behave, the more normal you should look... When I see a kid with three or four rings in his nose, I know there is absolutely nothing extraordinary about that person. <P.J. O'Rourke> Message was sent through the cbm-hackers mailing listReceived on 2017-06-21 15:03:42
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