[Coco] RGB-DOS ROM identification

[Robert Gault]

Gene Heskett wrote:
> On Wednesday 13 May 2009, Bob Devries wrote:
>> Gene,
>> you're right. The numbers $01 and $88 are in those locations. What fooled me
>> was the the $DC is right there in the next byte. Must have some relation to
>> the type of controller, I'd guess, but right now, I'm not sure what.
> 
> Either that, or it actually is a 3 byte offset, it is in my setup.  Its also 
> the same offset in my sh.dd, which allows me to access the rsdos images on my 
> drive.  I had not considered that $D?9A might be used as the other byte of a 
> 16 bit integer. 98 is a byte, the MSByte of a 24 bit value, and 99/9A are the 
> rest of it.  Makes perfect sense now.
> 

Exactly, I mis-spoke. The offset is at $D938 (msb) $D939 (lsw) with the offset
being 3 bytes.