DISASM is a Z80 disassembler made by Lasse Tasing for MS-DOS (work with Boxer under Mac OSX).
It disassembles only raw files (without header).

DISASM needs the DOS/32 Advanced DOS Extender (DOS4GW.EXE file that must be put in same directory).

Download: http://www.classiccmp.org/cpmarchives/cpm/Software/rlee/L/LASSE%20TASING/Z80%20Disassembler%20for%20IBMDOS/