Okay guys, stop rolling your eyes... another fuse configuration not working.

I'm using a PIC16F628A and I need pins RA6 and RA7 for I/O so will use the internal oscillator. The config fuse (with assembler directive) for this using MPASM for the assembler is:

@__CONFIG_INTRC_OSC_NOCLKOUT
@__CONFIG_INTOSC_OSC_NOCLKOUT

Alas, this does not work. So, using the MeLabs programmer bit configurator, I select INTOSCIO. Then it works.

I do select "Update configuration from file" and "Reread file before programming".
Using PBP3.0 and Microcode Studio 5.0

Your help to newbie is appreciated.