addressing modes:
R   [A-D][LH]
D   [0-9A-F]{4}
MA  \[[A-D][LH]\]
MD  \[[0-9A-F]{4}\]

MOV:
R<-D
R<-MA
R<-MD
MA<-R
MD<-R

CMP:
R~R
R~D
MA~D
R~MD

MATH:
R<-R
R<-D