On Wednesday 21 June 2017, 19:33:00 Marko Mäkelä <firstname.lastname@example.org> wrote: > On Wed, Jun 21, 2017 at 06:12:12PM +0200, email@example.com wrote: > >Exactly what I meant with spending lots of time counting cycles ;-) > > Some KERNAL versions do the counting for you. If I remember correctly, > R1 does not, but later ones do. I would guess that the R1 is as rare as > the 6567R56A. > > The later KERNAL counts the number of cycles per line and then sets some > flag to indicate whether the machine is PAL or NTSC. the kernal routine is buggy though, and sometimes gives wrong result - which is why crackers started using their own detection routines sometime in late 80s :) -- http://www.hitmen-console.org http://magicdisk.untergrund.net http://www.pokefinder.org http://ar.pokefinder.org Atheism is a nonprophet organization. <Steve Wright> Message was sent through the cbm-hackers mailing listReceived on 2017-06-21 17:05:42
Archive generated by hypermail 2.2.0.