visual 6502 simulation...

From: André Fachat <>
Date: Thu, 16 Sep 2010 10:38:30 +0200
Message-ID: <>
In case you haven't noticed, some brilliant guys have analyzed the 6502. From microscopic images of the chip they built a netlist and a simulator to actually run the chip, from this netlist!

This allows to actually analyze all the peculiarities, for example why an interrupt during a taken branch is delayed by an instruction. - might be worth looking into that for the Commodore emulators...

I voted for the 6522 as next chip to analyze, to find out about the shift register bug. But if you're willing to donate some 6526, they might open this one and we finally find out how the timers work....


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Received on 2010-09-16 09:00:03

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