[Coco] eprom programmer

[camillus Blockx]

Did you know that there was a project by tony distefano, to build a eprom
programmer.
Never build it but sure someone did. And it can be used in the port of the
coco.
Software came with it. Described in one of the rainbows ( 2 articles I
believe )

succes


On Fri, Mar 23, 2012 at 5:54 PM, Darren A <mechacoco at gmail.com> wrote:

> On Fri, Mar 23, 2012 at 4:38 PM, Frank Pittel  wrote:
> > I've got a tube of 13 27128s that I would like to be able to do
> something with. As
> > memory serves those eproms will work with the floppy controllers for the
> coco. My
> > thought is to replace the eprom in my "primary" controller with a
> drivewire image.
>
>
> Which floppy controller do you have?
>
> A 27128 will work directly in an FD-502 controller so long as you
> program the HDB-DOS DW code into the upper half (or both halves) of
> the EPROM.
>
> If you have an older controller with a 24 pin ROM socket, then you
> will need something like the DOS Adapter from Cloud9.  That will allow
> you to burn different DOSes into the two halves of the EPROM and use
> the jumper to select which one you want to use.
>
> An inexpensive Willem programmer (see eBay) can be used to burn 27128
> EPROMs.
>
> Darren
>
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