On 07/23/2016 08:22 PM, Segher Boessenkool wrote: > On Sat, Jul 23, 2016 at 06:29:33PM +0200, Michał Pleban wrote: >>> Next project would be a replacement 8501 since those also die easily... >> >> That should be much easier, as no analog stuff (video) is needed and a >> 6502 core is easily obtainable... Somebody should really make such >> project :-) > > The visual6502 project has a die picture of an 8501. From the picture > it seems clear that both the 8500 (c64c) and 8502 (c128) used the same > silicon, with different contacts bonded out. You sure? The 8501 is missing Port-Bit 5. It's not only not bonded out, it's not present, you can't set it while the 8500 has all the port bits, you can set them. Gerrit Message was sent through the cbm-hackers mailing listReceived on 2016-07-23 19:00:54
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