Yes. Very similas as ZX keyboard + right numeric block work as SAM's function keys F0-F9,etc...
It's not problem. I can use for example XILINX CPLD XC95144XL.
My idea is similar as here:
http://www.jrok.com/project/speckey/spec_key.html
Yes, super :-)
Yes...
Next ideas:
- PC key PAUSE use for active WAIT signal for stop(pause) Z80 cpu.
- possibility emulate sinclair joystick on cursor keys