Re: C64 and plus/4 PLAs revisited

From: MagerValp (MagerValp_at_cling.gu.se)
Date: 2002-07-03 02:17:50

>>>>> "MM" == Marko Mäkelä <marko.makela@hut.fi> writes:

MM> By the way, does anyone know what the output F0 of the plus/4 PLA
MM> could have been used for? It is '0' whenever the inputs I15..I0
MM> are 0111 011x 1001 011x, and '1' otherwise. In other words, the
MM> signal is low whenever the address is $fd2x and RAS is low and
MM> PHI0 is high.

That's where the speech module sits in the 364. Check section 7.6 in
the hardware docs on plus4.org.

-- 
    ___          .     .  .         .       . +  .         .      o   
  _|___|_   +   .  +     .     +         .  Per Olofsson, arkadspelare
    o-o    .      .     .   o         +          MagerValp@cling.gu.se
     -       +            +    .     http://www.cling.gu.se/~cl3polof/

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