On 05/07/2010 21:22, Tony Duell wrote:
What was even
more fun was transferring files TO a machine with no real
connectivity (a Merganthaler from hell). Box of solenoids on the
keyboard!
If the keyboard is a seperate unit and internally encoded (that is, it
sends character codes or keycodes on a parallel or serial interface) it
may not be too hard to make another machine pretend to be that keyboard.
If it's just a matrix of switches, it mau be a little harder if you need
to be able to press several keys at once.
Microcontroler and a crosspoint switch IC such as the MT8816, is what I
used to solve this problem when interfacing a PS/2 keyboard to a retro
machine (Acorn Atom , BBC etc). Then it's just a matter of the software
on the microcontroler, mind you do have to keep the character rate down
so that the target system can keep up, after all most people can't type
at 2K/s :) :) :)
Cheers.
Phill.