What does the unimplemented trap bomb error message mean?

Wed Feb 7 03:24:02 CST 2007

On Wed, 7 Feb 2007, woodelf wrote:
> A 2650-P-02 is a nice $9 chip from BG Micro, if we did want to stick
> to a more classic computer designs - ( Signetics 2650 ).

I have some Synertek 2650-P-01 (date code 7720) that are definitely *not* 
2650 CPUs, along with some AMI 1315-P-2 (seems to be some kind of keyboard 
encoder). They come from some old Courier 270 display terminals.
So what's a 2650-P-01 ?

Christian