[Coco] How do SAVEM and CSAVEM files work?

[Sean Conner]

It was thus said that the Great Allen Huffman via Coco once stated:
> 
> > [1]	https://github.com/spc476/a09
> 
> Ah, I must have seen this before, as I have it starred. I have so much
> catching up to do.
> 
> I noticed your compiler has a way to generate (I assume) the 5-byte
> floating point format, rather than just integers. I was looking at your
> USR examples and realized I couldn’t do that with EDTASM (and likely not
> with lwasm, unless it’s a common thing people have been adding to
> compilers).

  I don't think it's all that common for 6809 assemblers.  But since I play
around with the MC6839 (IEEE floating point library for the 6809) as well as
Coco based programs, it was something I decided to add to make it easier for
me.

  -spc