 The KONAMI-1 is a modified 6809 used by Konami in "Roc'n Rope", "Gyruss", and "The Simpsons".The 6809 CPU was also used in traffic signal controllers made in the 1980s by several different manufacturers.Software development company Microware developed the original OS-9 operating system (not to be confused with the more recent Mac OS 9) for the 6809, later porting it to the 68000 and i386 series of microprocessors.