cross-assembler An {assembler} which runs on one type of processor and produces {machine code} for another. There is a set of {6502}, 68xx and {Zilog Z80} and {8085} cross-assemblers in {C} byand Alan R. Baldwin. They run under {MS-DOS} and could be compiled to run under {Unix} and on the {Amiga} and {Atari ST}. See also {fas}. {(ftp://ccosun.caltech.edu/)}. (1993-03-10)