Re: [OpenBIOS] Adding to a definition

[Artyom Tarasenko]

On 3/29/12, Programmingkid  wrote:
> > On 2012-Mar-22 00:09 , Programmingkid wrote:
> > > Is there a way to add words to the end of a definition? If my word is
> > > declared like this:
> > >
> > > : myword
> > >    firstWord
> > >    secondWord
> > > ;
> > >
> > > is there a way to append a word to the end of this word so it looks like
> > > this:
> > >
> > > : myword
> > >    firstWord
> > >    secondWord	
> > >    thirdWord
> > > ;
> >
> > The usual way I'd do something like that if I had to patch a live system
> > would be as follows:
> >
> > ok : anotherWord secondWord thirdWord ;
> > ok patch anotherWord secondWord myword
> > ok
>
> The patch word is an empty definition in OpenBIOS. What is it suppose to do?

patch new-word old-word word-topatch ( -- ) Replace old-word with
new-word in word-to-patch.

Described in http://docs.oracle.com/cd/E19641-01/802-3241/802-3241.pdf

There are also a couple of examples in Mitch Bradley's Forth and Open
Firmware Lessons:

http://wiki.laptop.org/go/Forth_Lessons