>     I would preffer to make it with PICs, but I don't think it's possible.
I
> don't want to expend money on another C compiler, debugger, etc...

Try http://www.geocities.com/SiliconValley/Network/3656/c2c/c.html for a C
and Pascal compiler that will work with the 52/48. Also if you talk to Mr
Newton I am sure he will sort you out with a demo board and socket, I would
send you the layout for mine but it is pretty crappy in comparison.