[Coco] Regarding a cheap floppy emulator

Daniel Campos daniel.campus at gmail.com
Tue Sep 10 13:23:48 EDT 2013


I just bought recently a Transtronics Pocket Programmer III USB:

http://secure.transtronics.com/osc/product_info.php/cPath/55/products_id/621

With one of these you can easily write the 68766 EPROMs that go on the CoCo
old stuff, like cartridges and old interfaces. It's not cheap like the
hundreds of other chinese programmers out there, but is the only one cheap
enough that can write this old EPROMs.

The 68766 can also be found on Ebay, I just bought some of them recently
and all are working fine.

http://imageshack.us/a/img189/2778/eexw.jpg

Regards,
Daniel


2013/9/10 Al Hartman <alhartman6 at optonline.net>

> This is schematic for the cartridge.
>
> http://www.bighole.nl/pub/**mirror/homepage.ntlworld.com/**
> kryten_droid/coco/coco_tm_37.**png<http://www.bighole.nl/pub/mirror/homepage.ntlworld.com/kryten_droid/coco/coco_tm_37.png>
>
> Cloud9 used to sell Drivewire cartridges, and they do come up on eBay from
> time to time.
>
> But, if you look at the size of the file that you need to burn to ROM in
> this file.
>
> http://www.frontiernet.net/~**mmarlette/Cloud-9/Software/**drivewire.zip<http://www.frontiernet.net/~mmarlette/Cloud-9/Software/drivewire.zip>
>
> It's only 8k, which will fit into a ROM pack fine.
>
> You could buy any game, remove the soldered in ROM, install a socket and
> patch any missing lines according to the schematic, and off you go!
>
> If someone wants to produce cartridge PC boards that will fit a standard
> cartridge case, I'll buy a bunch!
>
> Al
>



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