It doesn't seem to like "clr.l (a6)+" for some reason.
Good idea, however this is very disappointing. On Amiga, I used moveq extremely often to clear stuff.
Interesting project and it may be a useful tool for learning M68K assembler for a beginner, but as an editor or simulator it seems very limited at the moment. Always nice to see some new M68K tools though
they are THE FASTEST way to clear a full 32 bit reg, for example, by far.