[Coco] 6847 external character generator

[Richard E. Crislip]

On Sat, 28 Feb 2015 22:34:43 -0500
Al Hartman <alhartman6 at optonline.net> wrote:

> This is what the original Lowerkit II looks like installed in my main
> Coco 2 which now has a 63B09E processor:
> 
> https://flic.kr/p/rpHaCu
> 
> This is what the character set looked like:
> 
> https://flic.kr/p/r8mmB8
> 
> I uploaded the manual for the board and character generator software
> (I have the tape for Charit here somewhere) in 2013 to the archive.
> 
> I have one in my TDP-100, this one, and a third which had the pins
> crushed and broken and I am in the middle of desoldering and
> repairing.
> 
> I know I was asked to read the ROM off one or more of them, but the
> only EPROM programmers I have are the three Coco ones, one is proken,
> and I don't have a good tape recorder to use the second, and I've
> never used the disk version of the software for the Color Burner, and
> don't feel confident that I know how to do it.
> 
> I wish there was a way to read the character set while it was in
> place. Maybe the the next time I have that Coco 2 setup, I could
> write a quick BASIC program to display all the characters, and this
> set could be re-created using Zippster's spreadsheet.
> 
> I seem to remember that there were several character sets uploaded to
> the CIS group. Some were made by Marty Goodman. I seem to remember
> that one set was taken from an IBM graphics card and adapted for the
> Lowerkit. I think this is what's in my TDP-100. I've been on the
> lookout for an "F" board Coco to resurrect the TDP-100, and a keycap
> to replace the missing one on the HJL keyboard.
> 
> If I can drag down the TDP off the high shelf, I'll try plugging it
> in and taking pictures of the inside, and the lowerkit character set.
> I just cleared my tray table in my bedroom (I repaired three virus
> infected laptops for friends), so this might be an easy project for
> tomorrow.
> 
> -[ Al ]- 
> 
> 

All right!! I face to go with the name 8-).

cheers