Re: VIC 20 - BASIC ROM pinout

From: MagerValp (MagerValp_at_cling.gu.se)
Date: 2001-01-15 22:54:44

>>>>> "DG" == Daniele Gratteri <daniele_gratteri@inwind.it> writes:

DG> Can you tell me the pinout of the BASIC ROM of the VIC 20?

The Basic ROM is a 2364 mask programmable ROM:

    +--()--+
 A7 | 1  24| Vcc
 A6 | 2  23| A8
 A5 | 3  22| A9
 A4 | 4  21| A12
 A3 | 5  20| /CS
 A2 | 6  19| A10
 A1 | 7  18| A11
 A0 | 8  17| D7
 D0 | 9  16| D6
 D1 |10  15| D5
 D2 |11  14| D4
Vss |12  13| D3
    +------+

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