Re: MAX Machine PLA equations

From: Michał Pleban <>
Date: Mon, 08 Aug 2016 10:53:52 +0200
Message-ID: <>

Gerrit Heitsch wrote:

> The 6703 is not a PLA as the 82S100, so in theory, MOS could make some
> of the inpute bidirectional. Like use A15 as an input when the CPU has
> the bus and drive it high or low when the VIC has the bus.

But it doesn't - see the scope plot, the A15 is sometimes 0 and
sometimes 1 on VIC access.


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Received on 2016-08-08 09:00:03

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