[Coco] TANDY Assembly Exhibit: CocoMEM Jr.

[David Ladd]

Jim,

So much cool stuff :D

Thank you :)

+-----------------------------------------------------------------------+
| David Ladd a.k.a. PacoOtaktay a.k.a. Drencor                          |
| YouTube: http://www.youtube.com/user/PacoOtaktay                      |
| YouTube Gaming Live: https://gaming.youtube.com/user/PacoOtaktay/live |
| Websites: http://dwladd.com     &     http://www.theterrorzone.com    |
| G+:  https://plus.google.com/113262444659438038657                    |
| G+:  https://plus.google.com/+DavidLaddPacoOtaktay                    |
|                                                                       |
| Do you have your CoCo 3 yet?                                          |
+-----------------------------------------------------------------------+


On Thu, Oct 5, 2017 at 9:26 PM, RETRO Innovations <go4retro at go4retro.com>
wrote:

> http://www.go4retro.com/products/cocomem-jr/
>
> The CocoMEM Jr. memory expansion unit adds Coco3-compatible MMU
> capabilities to your TANDY Color Computer 1, 2, and Dragon systems.
> Plugging into the 6809 socket, CocoMEM Jr. allows non Color Computer 3
> owners the expanded memory and MMU functionality previously unavailable.
>
> Still in development, the CocoMEM Jr. already supports the following
> features:
>
> The CocoMEM design supports the following features:
>
>  * Hardware support for 2 MB of system RAM (development units have
>    512kB of RAM installed)
>  * 8 bit task registers
>  * Support for 32 CPU MMU tasks, each with their own set of task registers
>  * Support for 256 CPU MMU “tasklets” per task, each with their own set
>    of task registers
>
> Additional immediately planned features:
>
>  * 16 bit task registers
>  * Hardware support for 64MB of system memory
>  * Per task bank write protect capability
>  * Per task bank CPU read interrupt
>  * Per task bank CPU write interrupt
>  * “Move” 8kB segments of main memory around within the first 64kB of
>    memory space
>  * 512kB “emulation” mode (on Barry Nelson’s request)
>  * NoCan3 $ff9b bank register support
>
> --
> RETRO Innovations, Contemporary Gear for Classic Systems
> www.go4retro.com
> store.go4retro.com
>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco
>