[Coco] Proof-of-concept to make 16KB HDB-DOS ROMs seamlessly

[Juan Castro]

Boisy, Tormod... can I commit this?


On Thu, Jan 30, 2014 at 10:44 PM, Juan Castro <jccyc1965 at gmail.com> wrote:

> I replicated the "two byte ASCII signature" scheme to allow for playing
> with those unused top 8KB of ROM space. The example just puts an
> exclamation point at the top right of the screen, but you can do anything.
> Tell me what you think.
>
> I made it so, if the top 8KB don't exist, it still works as before. I had
> to condense a couple of messages. The makefile builds the normal 8K ROMs as
> before, and also the 16K roms (prefix el-).
>
> (This is a patch for the current source in Toolshed's Mercurial.)
>
> https://dl.dropboxusercontent.com/u/15643089/hdbdos-16krom.patch
>
> Juan
>