[Coco] WiFi modem.

Joel Rees joel.rees at gmail.com
Fri Jan 26 19:06:23 EST 2018


2018/01/21 2:45 "RETRO Innovations" <go4retro at go4retro.com>:
>
> On 1/20/2018 4:09 AM, Gene Heskett wrote:
>>[...]
>
> The problem is not practicality, but of combination.  Removing the
"mirrors" (repeated address ranges are termed "mirrors") only makes
financial sense to implement when you have something to put in those
mirrors.  No one wants to buy a "de-mirror" device that offers no new
functionality.
>
> So, if we can decide what needs to sit in those mirrored locations, the
CPLD or FPGA can happily remove the mirrors and place the new functionality
in that space.
>

Some software used those mirrors to shave a byte. (stupidly.)


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