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'''[[Main Page|Home]] * [[Hardware]] * 68000'''
[[FILE:Motorola 68000 die.JPG|border|right|thumb|[https://en.wikipedia.org/wiki/Die_%28integrated_circuit%29 Die] shot of [[Motorola]] 68000 <ref>[http://commons.wikimedia.org/wiki/File:Motorola_68000_die.JPG Die shot of Motorola 68000 microprocessor (MC68000L12)] by [https://commons.wikimedia.org/wiki/User:Birdman86 Pauli Rautakorpi], March 10, 2014, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''68000''' (MC68000, 68K),<br/>
a 16/32-bit [https://en.wikipedia.org/wiki/Complex_instruction_set_computer CISC] [https://en.wikipedia.org/wiki/Microprocessor microprocessor] designed and marketed by [https://en.wikipedia.org/wiki/Freescale_Semiconductor Freescale Semiconductor] since 1979, started as a division of [[Motorola]]. It was used in [[Atari ST]], [[Amiga|Commodore Amiga]], and [[Apple]] [[Macintosh]] personal computers, as well in [[Sun#1|Sun-1]] [https://en.wikipedia.org/wiki/Workstation workstations] and many [[Dedicated Chess Computers|dedicated chess computers]]. 68000 has an external 16-bit [https://en.wikipedia.org/wiki/Data_bus data bus] and 24 external address lines to index 16 MByte of physical [[Memory|memory]], eight 32-bit general-purpose data registers (D0-D7), and eight address registers (A0-A7). The last address register was also the standard [[Stack|stack]] pointer, and could be called either A7 or SP <ref>[https://en.wikipedia.org/wiki/Motorola_68000 Motorola 68000 from Wikipedia]</ref>. Despite different data- and address registers, 68000 was known for its [https://en.wikipedia.org/wiki/Orthogonal_instruction_set orthogonal instruction set] <ref>[http://68k.hax.com/ 68000 instructions]</ref>. Like its 8-bit predecessor [[6800]], but opposed to [[x86]], 68000 is a [[Big-endian]] machine.
=See also=
* [[6800]]
* [[68020]]
* [[68030]]
=Publications=
* [http://www.freescale.com/files/archives/doc/ref_manual/M68000PRM.pdf MOTOROLA M68000 FAMILY - Programmer’s Reference Manual] (pdf)
* [http://neo.dmcs.p.lodz.pl/pn/asembler_68000/asm.pdf 68000 Assembler - User's Manual] (pdf) by Paul McKee
=External Links=
* [https://en.wikipedia.org/wiki/Motorola_68000 Motorola 68000 from Wikipedia]
* [https://en.wikipedia.org/wiki/Motorola_68000_family Motorola 68000 family from Wikipedia]
* [http://en.wikibooks.org/wiki/68000_Assembly 68000 Assembly - Wikibooks]
* [[Rookie|Rookie 1.0]] [[68000]] [[Assembly|assembly]] source, search.s from [http://marcelk.net/rookie/nostalgia/v1/ Index of /rookie/nostalgia/v1]
=References=
<references />
'''[[Hardware|Up one Level]]'''
[[FILE:Motorola 68000 die.JPG|border|right|thumb|[https://en.wikipedia.org/wiki/Die_%28integrated_circuit%29 Die] shot of [[Motorola]] 68000 <ref>[http://commons.wikimedia.org/wiki/File:Motorola_68000_die.JPG Die shot of Motorola 68000 microprocessor (MC68000L12)] by [https://commons.wikimedia.org/wiki/User:Birdman86 Pauli Rautakorpi], March 10, 2014, [https://en.wikipedia.org/wiki/Wikimedia_Commons Wikimedia Commons]</ref> ]]
'''68000''' (MC68000, 68K),<br/>
a 16/32-bit [https://en.wikipedia.org/wiki/Complex_instruction_set_computer CISC] [https://en.wikipedia.org/wiki/Microprocessor microprocessor] designed and marketed by [https://en.wikipedia.org/wiki/Freescale_Semiconductor Freescale Semiconductor] since 1979, started as a division of [[Motorola]]. It was used in [[Atari ST]], [[Amiga|Commodore Amiga]], and [[Apple]] [[Macintosh]] personal computers, as well in [[Sun#1|Sun-1]] [https://en.wikipedia.org/wiki/Workstation workstations] and many [[Dedicated Chess Computers|dedicated chess computers]]. 68000 has an external 16-bit [https://en.wikipedia.org/wiki/Data_bus data bus] and 24 external address lines to index 16 MByte of physical [[Memory|memory]], eight 32-bit general-purpose data registers (D0-D7), and eight address registers (A0-A7). The last address register was also the standard [[Stack|stack]] pointer, and could be called either A7 or SP <ref>[https://en.wikipedia.org/wiki/Motorola_68000 Motorola 68000 from Wikipedia]</ref>. Despite different data- and address registers, 68000 was known for its [https://en.wikipedia.org/wiki/Orthogonal_instruction_set orthogonal instruction set] <ref>[http://68k.hax.com/ 68000 instructions]</ref>. Like its 8-bit predecessor [[6800]], but opposed to [[x86]], 68000 is a [[Big-endian]] machine.
=See also=
* [[6800]]
* [[68020]]
* [[68030]]
=Publications=
* [http://www.freescale.com/files/archives/doc/ref_manual/M68000PRM.pdf MOTOROLA M68000 FAMILY - Programmer’s Reference Manual] (pdf)
* [http://neo.dmcs.p.lodz.pl/pn/asembler_68000/asm.pdf 68000 Assembler - User's Manual] (pdf) by Paul McKee
=External Links=
* [https://en.wikipedia.org/wiki/Motorola_68000 Motorola 68000 from Wikipedia]
* [https://en.wikipedia.org/wiki/Motorola_68000_family Motorola 68000 family from Wikipedia]
* [http://en.wikibooks.org/wiki/68000_Assembly 68000 Assembly - Wikibooks]
* [[Rookie|Rookie 1.0]] [[68000]] [[Assembly|assembly]] source, search.s from [http://marcelk.net/rookie/nostalgia/v1/ Index of /rookie/nostalgia/v1]
=References=
<references />
'''[[Hardware|Up one Level]]'''
