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The Motorola 68000 (sometimes shortened to Motorola 68k or m68k and usually pronounced "sixty-eight-thousand") [2] [3] is a 16/32-bit complex instruction set computer (CISC) microprocessor, introduced in 1979 by Motorola Semiconductor Products Sector. The design implements a 32-bit instruction set, with 32-bit registers and a 16-bit internal ...
The original version was developed by Motorola as a general debugger for its 68000 systems. [ 2 ] [ 3 ] — it was ported to the Mac as a programmer's tool early in the project's development. MacsBug is invoked by hitting the Macintosh's " Programmer's Key " or, as it became later known, the "Interrupt Key" or by pressing "Command-Power".
The Motorola 68000 series (also known as 680x0, m68000, m68k, or 68k) is a family of 32-bit complex instruction set computer (CISC) microprocessors. During the 1980s and early 1990s, they were popular in personal computers and workstations and were the primary competitors of Intel 's x86 microprocessors.
M·CORE processors, like 68000 family processors, have a user mode and a supervisor mode, and in user mode both see a 32 bit PC and 16 registers, each 32 bits. The M·CORE instruction set is very different from the 68k instruction set—in particular, M·CORE is a pure load-store machine and all M·CORE instructions are 16 bit, while 68k ...
Download as PDF; Printable version; In other projects ... Home computers using the Motorola 68000 CPU family Subcategories. This category has the following 2 ...
The Motorola 68000 Educational Computer Board (MEX68KECB) was a development board for the Motorola 68000 microprocessor, introduced by Motorola in 1981. It featured the 68K CPU , memory, I/O devices and built-in educational and training software.
The NXP ColdFire is a microprocessor that derives from the Motorola 68000 family architecture, manufactured for embedded systems development by NXP Semiconductors. It was formerly manufactured by Freescale Semiconductor (formerly the semiconductor division of Motorola ) which merged with NXP in 2015.
The Motorola 68040 ("sixty-eight-oh-forty") is a 32-bit microprocessor in the Motorola 68000 series, released in 1990. [2] It is the successor to the 68030 and is followed by the 68060, skipping the 68050. In keeping with general Motorola naming, the 68040 is often referred to as simply the '040 (pronounced oh-four-oh or oh-forty).