2500AD Simulator-Debugger - Includes disassemblers for many micro-processors, by Avocet Systems. - http://www.avocetsystems.com/company/other/download.htm
M68HC11 Simulator - Have 68HC11 Disassembler by Rijswijk Institute of Technology. - http://bd.thrijswijk.nl/thrsim11/thrsim11.htm
6809 Emulation Page - Some disassemblers and debuggers for 6809. - http://koti.mbnet.fi/~atjs/mc6809/