Adding MAC registers on H8300 Simulator [H8S/2600]

[D.Venkatasubramanian, Noida]

>> 
>> > Also, how do I make these registers conditionally
>> > displayed on GDB when the CPU is H8S/2600.
>> IIRC gdb knows only h8s target, so this could be quite difficult.
>
>Kazu, this question to you, remember our chat about new BFD target for
>h8s/2600?
>I dont't add real MAC support to simulator, 'cause bumped same problem,
>only one solution I found - command to enable/disable MAC directly :(.

This is a pretty serious flaw on the present target definitions for the H8
CPUs, 
probably, I could get the MAC registers to display for all H8S CPUs,
(politically 
incorrect but still useful) as MAC instructions are beginning to be
generated.

>
>Andrey Volkov
>

Venky