This was a duplicate of another thread posted one hour earlier: <a href="https://news.ycombinator.com/item?id=27034951" rel="nofollow">https://news.ycombinator.com/item?id=27034951</a><p>The comment I posted on lobste.rs:<p>I’ve been curious about this computer for some years, and bid on one some time ago, but at more than 600 € that was more than I was going to pay for it.<p>As far as I know, the machine is internally the same as the PB-2000C which I do have, just with different key labels and a different ROM. There is an emulator for Windows here: <a href="https://pockemul.com/" rel="nofollow">https://pockemul.com/</a><p>There is even a Prolog ROM, but again for me it’s not worth the going prices: <a href="https://www.casio880.com/categoria_productos/casio/ai-1000/" rel="nofollow">https://www.casio880.com/categoria_productos/casio/ai-1000/</a><p>I wanted to build myself a modern version of this based on the Planet Computers Gemini (<a href="https://www.www3.planetcom.co.uk/gemini-pda" rel="nofollow">https://www.www3.planetcom.co.uk/gemini-pda</a>) which in theory can run Linux, but I’ve had so much trouble with it (running Linux) that I had to postpone it until I can find some time again.<p>Edit: the video description includes several interesting links including Pocket Emul.