Thanks to those who helped and advised; I discovered a problematic pin
on the TU58 10-pin DIP connector. With this fixed, TU58EM worked
correctly and the console code loaded. The CPU passes diags as far as
the RL02 test; not surprising as there's no RL controller or drive -
or the special diag pack
> On Feb 26, 2016, at 01:45, Mike Ross wrote:
>
> Thanks to those who helped and advised; I discovered a problematic pin
> on the TU58 10-pin DIP connector. With this fixed, TU58EM worked
> correctly and the console code loaded. The CPU passes diags as far as
> the RL02 test; not surprising as t
