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. >> > > >>
Message
Re: Module idea
1999-09-30 by Paul Schreiber