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The Motorola 680x0 / m68000 / 68000 is a family of 32-bit CISC microprocessors.
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Motorola and 680x0
( For information on Motorola's multiprocessing model with the 680x0 series, see Motorola 68020.
It is the successor to the Motorola 68040 and is the highest performing member of the 680x0 family.
OS-9000 was initially ported to the Motorola 680x0 family CPUs, Intel 80386, and PowerPC.
That the Motorola 680x0 family and VME board computer system vendors were nearing their end of life might have affected the unpopularity of OS-9000 / 680x0.
Had Motorola decided to continue the 680x0 series, the next processor ( 68080 ) would likely have resembled Intel P6 architecture.
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Motorola 680x0 –
System 7 was developed for Macs that used the Motorola 680x0 line of processors, but was ported to the PowerPC after Apple adopted the new processor.
Despite the name, this chip was not part of the Motorola 680x0 series.
It was written in assembly language ( Motorola 680x0 ) by a group of developers who had a reputation for producing extremely efficient code.
Motorola and /
The first version of the Aster consisted of four " Eurocard's ", one Z80 CPU card with 64KB memory, one Motorola MC6845 based video card, one double density floppy disk controller card and one " keyboard / RS232 / cassette interface " card.
The " ST " officially stands for " Sixteen / Thirty-two ", which referred to the Motorola 68000's 16-bit external bus and 32-bit internals.
The Atari ST was part of the 16 / 32 bit generation of home computers, based on the Motorola 68000 CPU noted for 128 kB of RAM or more, a graphical user interface, and 3½ " microfloppy disks as storage.
* Etisalat-Sri Lanka ( previously know as Celltel / TIGO )-operated a Motorola TAC network in Sri Lanka.
* Communication Processor Module, a networking and serial communications engine in Motorola / Freescale QUICC and PowerQUICC family of processors
Examples of CISC instruction set architectures are System / 360 through z / Architecture, PDP-11, VAX, Motorola 68k, and x86.
Motorola / Freescale Semiconductor's DragonBall, or MC68328, is a microcontroller design based on the famous 68000 core, but implemented as an all-in-one low-power solution for handheld computer use.
GDB target processors ( as of 2003 ) include: Alpha, ARM, AVR, H8 / 300, System / 370, System 390, X86 and its 64-bit extension X86-64, IA-64 " Itanium ", Motorola 68000, MIPS, PA-RISC, PowerPC, SuperH, SPARC, and VAX.
MINIX 1. 5, released in 1991, included support for MicroChannel IBM PS / 2 systems and was also ported to the Motorola 68000 and SPARC architectures, supporting the Atari ST, Commodore Amiga, Apple Macintosh and Sun SPARCstation computer platforms.
The Motorola 68000 is a 16 / 32-bit CISC microprocessor core designed and marketed by Freescale Semiconductor ( formerly Motorola Semiconductor Products Sector ).
The decision to leapfrog the competition and introduce a hybrid 16 / 32-bit design was necessary, and Motorola turned it into a coherent mission.
The Motorola 68EC000 core was later used in the m68k-based DragonBall processors from Motorola / Freescale.
* Motorola 6800 / 6809, 8-bit
* Open source Motorola Exorciser and SWTPC emulator for Linux / Cygwin
Design features of the PDP-11 influenced the design of microprocessors such as the Motorola 68000 ; design features of its operating systems, as well as other operating systems from Digital Equipment, influenced the design of other operating systems such as CP / M and hence also MS-DOS.
SVG is also supported on various mobile devices from Motorola, Samsung, LG, and Siemens mobile / BenQ-Siemens.
The height of the machines using Motorola CPUs was reached with the IRIS 3000 series ( somewhere around 1989, models 3010 / 3020 / 3030 and 3110 / 3115 / 3120 / 3130, the 30s both being full-size rack machines ).
Motorola and 68000
Based on the Motorola 68000 family of microprocessors, the machine sports a custom chipset with graphics and sound capabilities that were unprecedented for the price, and a pre-emptive multitasking operating system called AmigaOS.
The Motorola 68000 series of microprocessors was used in all Amiga models from Commodore.
Early CPU accelerator cards feature full 32-bit CPUs of the 68000 family such as the Motorola 68020 and Motorola 68030, almost always with 32-bit memory and usually with FPUs and MMUs or the facility to add them.
A PDP-10, a PDP-8, an Intel 386, an Intel 4004, a Motorola 68000, a System z mainframe, a Burroughs B5000, a VAX, a Zilog Z80000, and a 6502 all vary wildly in the number, sizes, and formats of instructions, the number, types, and sizes of registers, and the available data types.
The first field is either the Motorola 68000 exception number that occurred ( if a CPU error occurs ) or an internal error identifier ( such as an ' Out of Memory ' code ), in case of a system software error.
Some of IBM's engineers and other employees wanted to use the IBM 801 processor, some would prefer the new Motorola 68000, while others argued for a small and simple microprocessor, such as the MOS Technology 6502 or Zilog Z80, which had been used in earlier personal computers.
The 68000 grew out of the MACSS ( Motorola Advanced Computer System on Silicon ) project, begun in 1976 to develop an entirely new architecture without backward compatibility.
Tom Gunter, retired Corporate Vice President at Motorola, is known as the " Father of the 68000.
* Motorola 68000 family
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