[Coco] CoCo3 accelerator add-on

[L. Curtis Boyle]

Don't forget to try buffering your characters so that you can do a larger (and less often) I$Write calls... it will make a big difference. :)

L. Curtis Boyle
curtisboyle at sasktel.net



On Apr 27, 2013, at 9:25 PM, Luis Antoniosi (CoCoDemus) wrote:

> my cp/m emulator would run faster too :)
> 
> 
> On Sat, Apr 27, 2013 at 11:04 PM, Nick Marentes <nickma at optusnet.com.au>wrote:
> 
>> Here's an idea I've been tossing around for awhile and wonder if it is
>> possible/feasible.
>> 
>> The GIME chip is so tied down to the speed of the 6809 in order to keep
>> video syncronised for output to a monitor.
>> 
>> As we've seen in the past, clocking up the 6809 just makes the GIME lose
>> video sync.
>> 
>> What if a replacement 6809 could be created using an FPGA with adaption to
>> fit the standard 6809 socket?
>> 
>> The FPGA would ensure that the signals to the GIME remain what it expects
>> but internally, it can process much faster.
>> 
>> This will be similar to Sock Master 4Mhz mod which made the 6809 slow down
>> when being accessed by the GIME (or vice versa) but number crunching can
>> run at a higher rate.
>> 
>> A faster CoCo3 opens the doors to more complex programs such as a Wolf3D
>> game (graphics still at old speed but number crunching for the math much
>> faster).
>> 
>> Possible? Another pipe dream?
>> 
>> Nick
>> 
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> 
> 
> 
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