I've written plenty of code, all with positive results using the 16C65B and
the 16F628A.

So I get some 16C72, along with a windowed chip and I can't get even the simplest lines of code to function.

Is there something I should know about these parts or any problems with
MCS, PBP and EPIC win programmer?

They all say they support the chip.

I mean I can't even toggle an input pin on PORTA and make a PORTB pin go hi/lo. ?

MCLR IS ON and using a supervisor on the mclr pin. 4 mhz osc.

wierd.