Motorola 68000

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The Motorola 68000 is an very popular complex instruction set computer (CISC) microprocessor, introduced in by Motorola Semiconductor Products Sector in 1979. The processor implements a 32-bit instruction set by using a primary 16-bit arithmetic logic unit (ALU), with two other 16-bit ALUs for handling addressing, and has a 24-bit bus. This strange combination led Motorola to dub it a 16/32 bit processor. The processor primarily competed with the Intel 8088. Several companies licensed the 68000 and created their own versions of the chip.


I initially learned about the 68000 after I became interested in the hardware of video game consoles in the mid-2000s.


  • The processor was used in scores of arcade games as well.