asm6809 is a portable cross assembler targeting the Motorola 6809 and
Hitachi 6309.

Features arbitrarily complex expressions (with most C-style operators
available), forward references, macro expansion and conditional
assembly.

Output formats are: Raw binary, DragonDOS binary, CoCo RS-DOS (or
"DECB") binary, Motorola SREC, Intel HEX.
