[Coco] Lower case 6847 Q

L. Curtis Boyle curtisboyle at sasktel.net
Wed Apr 25 18:53:13 EDT 2007

On Wed, 25 Apr 2007 12:48:49 -0600, Mike Pepe <lamune at doki-doki.net> wrote:

> Phill Harvey-Smith wrote:
>> Hi,
>>  I've just bought another CoCo2 off ebay, to potentially use as a donor  
>> case for my CoCo3 board which is caseless, and I suspect that the 6847  
>> is one of the ones with the lower case chars, though it has some weird  
>> part no (internal motorola one).
>>  How can I go about testing that this is the case ? Is there a poke or  
>> short m/l routine that I can use to test this. Anyway I have decided to  
>> keep this machine intact and use one of the others as the donor :)
>>  Cheers.
>>  Phill.
> Easiest way- type a *. If it looks like a star, it's a T1. If it looks  
> like a diamond, it's a plain 6847.

Another quick and dirty way:
POKE 359,57
POKE 65314,80
If you get a green border (instead of black, and you get lowercase when  
you hit SHIFT-0, you have the new chip. After you are done testing, type:
POKE 359,126

L. Curtis Boyle

More information about the Coco mailing list