[Coco] CoCo-X is not dead

Bill Gunshannon billg999 at cs.uofs.edu
Tue Apr 30 12:05:34 EDT 2013


> Reason I asked the question, is everyone seems to complain about
>
> 1. Monitor support
> 2. Number of colors
> 3. screen resolution
> 4. total memory
> 5. memory paging 8K blocks
>
> All of this is in the GIMI. What not change or upgrade it.

Exactly.  But one need not throw out the baby with the bath water.
My suggestion for a Video Cartridge would handle 1,2 and 3 and not
change the design of the COCO at all.

bill

>
> 1. USE VGA instead of RGB
> 2. Update number of colors to at least 8 if not 16 or 32
> 3. increase screen resolution to 1024X768 VGA
> 5. Total memory of min 1 Meg to 8Meg
> 6. 2K paging blocks.
>
> IMHO None of these enhancements would in no way hinder compatibility
> with existing software.
>
> 1. Allows use of existing monitors. we do this now with external hardware.
> 2. extending the number of colors should not cause problems
> 3. Would adding a 800X600 and/or 1024X768 mode cause any problems if
> added to existing screen modes
> 4. Increasing Total Memory should in no way cause any problems
> 5. going from 8K to 2K Paging blocks again should not cause any
> problems. In fact it should make using OS9
> even easier.
>
> John Donaldson
>
> On 4/29/2013 4:16 PM, tim lindner wrote:
>> On Mon, Apr 29, 2013 at 2:07 PM, John Donaldson
>> <johnab8yz at verizon.net>wrote:
>>
>>> Question? With a FPGA why do we even need to emulate the GIMI chip. Why
>>> not make our own with enhanced features.
>>
>>
>> For compatibility with existing software.
>>
>
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco
>


-- 
Bill Gunshannon          |  de-moc-ra-cy (di mok' ra see) n.  Three wolves
billg999 at cs.scranton.edu |  and a sheep voting on what's for dinner.
University of Scranton   |
Scranton, Pennsylvania   |         #include <std.disclaimer.h>





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