Hello Erich, This was helpfull
Cheers, Jan > Op 21 dec. 2018, om 17:15 heeft Erich Wälde <ew.fo...@nassur.net> het > volgende geschreven: > > Hello Jan, > > Jan Kromhout via Amforth-devel writes: > >> Hello, >> >> I was looking into some words (.asm). >> Can someone explain me why the content of the first data word is different. >> PLUSSTORE => .dw $ff02 >> RSHIFT => .dw $ff06 >> PLUS => .dw $ff01 > > I'm sure this is explained somewhere, maybe in the technical guide. But > I did not find it in 20 seconds, so here we go: > > >> $ cat ./avr8/words/plusstore.asm >> VE_PLUSSTORE: >> .dw $ff02 >> .db "+!" >> .dw VE_HEAD >> ... > > The first .dw entry is "some number", where the low part "02" is the length > of the string to come. That string is "+!", 2 bytes. > > The high part "ff" is a flags thing. "immediate" words are different: > >> $ cat ./common/words/then.asm >> ... >> VE_THEN: >> .dw $0004 >> .db "then" >> ... > > There might be other values, but I'm not sure. > > This stuff is implementation dependant and may be all different in other > Forth implementations. > > > > Cheers, > Erich > > -- > May the Forth be with you ... > > > _______________________________________________ > Amforth-devel mailing list for http://amforth.sf.net/ > Amforth-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/amforth-devel _______________________________________________ Amforth-devel mailing list for http://amforth.sf.net/ Amforth-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/amforth-devel
