Hi Demon,
The problem is very easy;
If i use a simple readcode istruction on my progam, like this for example.
ReadCODE $100,WChar

I get a lot of errors message from assembler like this:
[ASM ERROR] Symbol not previously defined (EEADRH)

This if I use 16f628 o 16f676 but if i use(for example) 16f677/8 all work fine.
So i suspect the previous chips aren't supported.
But a lot of months ago i am sure to have used READCODE istruction with a 16f628A(i have still the breadboard with it plugged on and all work) without any problems.
So sound very strange to me and maybe it depend from PBP compiler, because that time i used a 2.50a versione and now pbp 3.0.