a classiccmp electronics project?

[vrs]

From: "Philip Pemberton" <philpem at dsl.pipex.com>
> What about using a GAL programmable logic chip?
> Use CUPL's "lookup table" feature, use the 8 (or was it 9?) inputs on a
> GAL16V8 as address inputs and use the outputs as data outputs. IIRC the
> propagation delay for a normal GAL is 15nS, but you can get them in speeds
> down to 7nS.

Isn't there a shortage of product terms?  I thought there were only 8
product terms per output.  Unless the data in the PROMs being replaced is
fairly regular, that doesn't seem enough to guarantee success.

    Vince