As the reset button is momentary, it will also take a bistable flipflop like a 7474...
When I get back, I'll do you a little circuit. :) Dave On Fri, May 5, 2017 at 7:58 AM, <pg...@q40.de> wrote: > On 5 May 2017 at 14:47, Alain HAOUI wrote: > > > > You'd have to bend one pin of each EPROM, so they don't connect to the > > socket. Then connect both bent pins by wire with turbo switch and a > pullup. > > (The onboard ROM selector jumpered to "Normal Operation".) > > > > This sounds promising. Not afraid. Pins number please. Thanks > > Depends on size. Why not look into EPROM datasheet yourself? Simply > the highest addressline you've got. > > Peter > > _______________________________________________ > QL-Users Mailing List > -- Dave Park Sandy Labs d...@sinclairql.com _______________________________________________ QL-Users Mailing List