[Coco] reset behavior suggestions?

[S Klammer]

Why not just have the reset go back to the "menu"?  It could show a graphic
for the colour 'mode' and a single key to go back to the last selected bank
or allow to user to make a different selection.

No guess work.
On Nov 13, 2016 12:11 PM, "RETRO Innovations" <go4retro at go4retro.com> wrote:

> On 11/13/2016 11:09 AM, RETRO Innovations wrote:
>
>> On 11/13/2016 8:13 AM, Zippster wrote:
>>
>>>
>>>
>>> The first, and simplest option that pops into my head is to execute the
>>> currently selected ROM image on
>>> a machine reset, and require a power cycle to go back to the cart menu
>>> (power button).
>>> This is probably what I would go with in a situation like this just to
>>> keep it simple and intuitive.
>>>
>> We considered that, but it's tough to store which cart was active (Coco
>> memory can;t be used, as you can't guarantee a safe spot, and I need to
>> reset the "bank" register in the CPLD to ensure the menu runs.  I don't
>> have a safe place in the CPLD to store the bank register
>>
>>
>>>
>>> Thinking of Art’s suggestion of holding a key down to select which type
>>> of reset…
>>>
>>> If you have a way of preserving the start address of the currently
>>> selected ROM image on the board through a
>>> reset, you could have a reset execute your main menu code, and from
>>> there check for the key being depressed.
>>> If it is, execute the last used ROM image immediately, if not, run the
>>> menu (or vise versa).
>>>
>>> If I knew of a 2 byte location I could guarantee was free, I would.
>>
>> Jim
>>
>> I guess I could just not reset the bank register at all (I think Barry
> suggested that as well), and use power cycle as the hard reset.  I think
> others do that, and I guess I can go there, but in the CBM world, we try to
> avoid power cycling at all costs, since it is conjectured to damage the
> custom ICs, and we're concerned about that.
>
> Jim
>
>
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