[z-machine] Small contribution to the ZMachine specs

[Chris Pickett]

Ben Collins-Sussman wrote:
> Pretty quiet list, eh?  Anyone awake?  :-)
> 
> There are really quite a number of confusions that Dave and I are
> running into as we read the spec.  I'd love to keep sending patches to
> re-word things, etc.

I'm going to answer just because nobody else has, not because I'm really 
involved in Z-machine anything.

> For example, I'm trying to understand how to do the lexical analysis
> required by the 'read' opcode.  If I understand correctly, the user's
> text is read into a text_buffer.  Is the user's text presumed to be
> ascii data?  Unicode data?  Z-characters?

Have you looked at frotz?  I suppose it can be considered as a kind of 
reference implementation.  It sounds like you're trying a clean-room 
approach though, so maybe you don't want to do that...

Cheers,
--
Chris Pickett
http://www.sable.mcgill.ca/~cpicke/