flashx20 - Floppy and screen for the Epson HX-20

[Fred Cisin]

> On Sat, Dec 15, 2018 at 5:47 PM Norbert Kehrer via cctalk
> <cctalk at classiccmp.org> wrote:
>> With that, you get a big screen (the PC monitor) and disk space for
>> programs and data on the PC's hard disk, which can then also be used for
>> data and program exchange.

On Sun, 16 Dec 2018, Jason T via cctalk wrote:
> This is great - thank you for writing it!  I have at least one HX-20.
> IIRC it was used for Motorola radio programming and had custom ROMS.
> Do you know what other Epson portables (if any) used the same protocol?

The Epson HC-20 probably did.
It was essentially the same machine, in silver-grey, instead of beige, 
with both English and katakana keyboard and character generator ROMs.