[Amforth] amforth & ATMega128

[David J. <dav...@ea...>]

Hello FORTH folk -

I have got amforth running on an ATMega128, using AVRStudio 4.18 and 
Hapsim, a peripheral emulator that supports serial communications. It 
displays the welcome message and you can run amforth on it, but real 
slow! Its main utility is confirming that the build functions correctly 
before programming the flash.

I've included a note showing the changes necessary to the amforth 4.2 files.

Cheers - David