Sources for 8b TTL keyboards (Keytronics)

[Chuck Guzis]

On 10 Dec 2008 at 19:24, Tony Duell wrote:

> >From the discussion fo the AVR and PIC microcontorllers, it appears that 
> should I wish to program them using an HP9816, or a PERQ, or a PDP11, 
> or... then the information is available to do so. I can write a 
> cross-assembler, debugger, downloader, etc. You may feel that's not a 
> sensible use of my time, byt darn it this is a hobby, and it is very 
> difficult to justify time spent on hobbies _other than 'you enjoy doing 
> it'. 

Given the simplicity of the AVR and PIC tools, you could easily host 
a development system on a 8080, Z80, 6502, etc.-based system, 
provided that you had the necessary (e.g. parallel port) interface.

I've not seen any Z80-based VHDL compilers, but then, maybe I'm not 
looking hard enough. :)

Cheers,
Chuck