On 12/09/2011 10:44 AM, Marko Mäkelä wrote: > Interesting, I did not know that there is a difference in CIA timers > until it was mentioned here this year. There is software that lets you single step through a program and will cause problems on the new CIAs unless patched. > On my oldest C64 (with 350ns ceramic DRAM chips), sprites flicker. I > never tried to troubleshoot it whether it is because of the 6569R1, the > slow DRAM, or the motherboard. My board with the 6569R1 uses Toshiba TMM4164P-3 DRAMs. Doesn't flicker, not even when playing demos that open all 4 borders. It also uses a real PLA and not the MOS version. Maybe your VIC or some other part is not quite OK anymore? Gerrit Message was sent through the cbm-hackers mailing listReceived on 2011-12-10 19:00:18
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