Correct. I have used a c64 without the 60hz signal, and have a c128 that runs off a small ATX power supply (again, no 9vac). TI and TI$ both work without issues, as the kernal manages their content during the timer IRQ. On Fri, Oct 14, 2016 at 1:45 PM, Jim Brain <brain@jbrain.com> wrote: > On 10/14/2016 10:12 AM, Michał Pleban wrote: > > Hello! > > Francesco Messineo wrote: > > > isn't the 8520 a 6526A (or B?) but made with a different process? I > could use the 8520 in place of the 6526 with no problems once. > > No. The 8520 has a different TOD timer, if you use it in the C64 the > programs which rely on it will not work (or will display incorrect > time). Also the TI$ variable in BASIC relies in the TOD in one of the > CIAs so it will not work too. > > Regards, > Michau. > > > Message was sent through the cbm-hackers mailing list > > > I don't think TI relies on TOD. I thought it counted off the 60 hz IRQ > timer, but no TOD. > > > jim > > > -- > Jim Brainbrain@jbrain.com www.jbrain.com > > Message was sent through the cbm-hackers mailing listReceived on 2016-10-14 18:01:31
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