Hi Mike (Mike Keitz), in <19971229.161018.6742.13.mkeitz@juno.com> on Dec 29 you
 wrote:

> directly.  If your programmer has a 'F84' option just use it.  You can
> execute any HEX file written for C84 directly on a F84 without
> modification.

You can't, if the HEX file includes the fuse bit config.