You only need 1 EPROM: the select switch controls the upper address lines.
One 27C256
EPROM is big enough to hold 30 tables, easy. Let's do the math:
Assume average table size is 1000 entries so 32768 address / 1000 = 32
tables. Yippee.
Paul S.
-----Original Message-----
From: Dave Bradley <
daveb@...>
To:
motm@onelist.com <
motm@onelist.com>
Date: Thursday, September 30, 1999 9:02 AM
Subject: RE: [motm] Module idea
>From: "Dave Bradley" <daveb@...>
>
>OK, OK, you caught me.
>
>How about several sockets for alternate ROM tables, switch selectable?
>
>Dave
>
>>
>> From: "Paul Schreiber" <synth1@...>
>>
>> The design is "programmable", by swaping EPROMs.
>>
>> Otherwise, it rapidly approaches DoMAS.
>>
>> Paul S.
>>
>
>
>>