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A series of [CPU]s made by [Motorola]. Introduced by Motorola in September 1979, this is the first in the [680x0] series. It has 16 32-bit registers, split into 8 data and 8 address. Addressing was done in 32-bits, though the address bus was only 24-bits (later models expanded it to the full 32-bits). Instructions are multiples of 16-bits and all addresses have to be 16-bit aligned (except for addressing single bytes, of course). The [68000] was used in the AppleLisa and AppleMacintosh as well as the AtariST, SegaMegadrive and some [Sun] workstations. The 68000 was succeeded by the 68010 in 1982 which allowed the use of virtual memory and fixed a bug where the address of where a memory exception occured was incorrect. The 68k was used up until recently in PalmPilot [PDA]'s
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680x0
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MacOS
Motorola
AppleLisa
PositionIndependentCode
CPU
LinuxFudDispelled
AppleMacintosh