[Coco] ROM Cart registers

[RETRO Innovations]

On 1/30/2016 11:41 PM, Darren A wrote:
> On Sat, Jan 30, 2016 at 8:25 PM, RETRO Innovations wrote:
>
>> What is the Flash DATA register?   Is there a Flash Address register as
>> well, or is it that when the user tries to store a value in ROM space, you
>> pull the data from this register? since normally data is not available on
>> the MPI during a ROM address write?
>>
>>
> The data register is used to indirectly write to the flash. With the Write
> Enable bit set, the first read of a cartridge ROM address (CTS*) following
> a write to the data register, stores the register content to that location
> in the flash memory.
>
>
> - Darren
>
Hmmm, that's going to be harder to emulate.  Was there any reason you 
did not just allow direct writes to the FLASH in $c000-$dfff

Jim


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