MOS Technology 6502

E356797

The MOS Technology 6502 is an influential 8-bit microprocessor introduced in the mid-1970s that powered many early personal computers and game consoles, including the Apple II, Commodore 64, and Nintendo Entertainment System.

All labels observed (10)

How this entity was disambiguated

Statements (52)

Predicate Object
instanceOf 8-bit microprocessor
microprocessor
addressBusWidth 16-bit
architecture 8-bit
countryOfOrigin United States of America
surface form: United States
dataBusWidth 8-bit
designer Bill Mensch
Chuck Peddle
endianess little-endian
fabricationProcess NMOS
hasFlag Break
Carry
Decimal
Interrupt Disable
Negative
Overflow
Zero
hasRegister Accumulator A
Index register X
Index register Y
Processor Status register
Program Counter
Stack Pointer
inspiredDerivative Ricoh 2A03
WDC 65C02
WDC 65C816 CPU
surface form: WDC 65C816
instructionSetType CISC
introducedInDecade 1970s
introducedInYear 1975
manufacturer MOS Technology
maxAddressableMemory 64 KB
notableClockSpeed 1 MHz
notableFeature low cost compared to competitors
simple, compact instruction set
widely used in early home computers
supportsAddressingMode absolute
immediate
indexed
indirect
relative
zero page
transistorCount approximately 3500
typicalClockSpeedRange 1 MHz to 3 MHz
usedIn Apple II
Atari 2600
Atari 400
Atari 8-bit family
surface form: Atari 800

BBC Micro
Commodore PET
Commodore VIC-20
Nintendo Entertainment System
surface form: Nintendo Entertainment System (via 2A03 variant)
usesStackPage page 1 (addresses $0100–$01FF)

How these facts were elicited

Referenced by (22)

Full triples — surface form annotated when it differs from this entity's canonical label.

Acorn Computers processorFamilyUsed MOS Technology 6502
Apple III cpu MOS Technology 6502
this entity surface form: Synertek 6502A
Nintendo Entertainment System cpuArchitecture MOS Technology 6502
this entity surface form: MOS Technology 6502 derivative
Apple I cpu MOS Technology 6502
Apple II cpu MOS Technology 6502
Commodore 64 cpu MOS Technology 6502
this entity surface form: MOS Technology 6510
Commodore 64 cpuArchitecture MOS Technology 6502
this entity surface form: MOS Technology 6502 family
Atari 8-bit family cpu MOS Technology 6502
Atari 8-bit family cpu MOS Technology 6502
this entity surface form: MOS Technology 6502C
Commodore primaryCPUArchitecture MOS Technology 6502
subject surface form: Commodore International
this entity surface form: MOS Technology 6502 family
Motorola 6800 microprocessor influenced MOS Technology 6502
subject surface form: Motorola 6800
ProDOS targetCPU MOS Technology 6502
BBC Micro mainProcessor MOS Technology 6502
BBC Micro mainProcessor MOS Technology 6502
this entity surface form: MOS Technology 65C02
BBC Micro in 1981 cpu MOS Technology 6502
subject surface form: BBC Micro
Acorn Atom cpu MOS Technology 6502
Acorn Electron architecture MOS Technology 6502
Acorn Electron CPU MOS Technology 6502
this entity surface form: MOS Technology 6502A
Atari 2600 cpu MOS Technology 6502
this entity surface form: MOS Technology 6507
Atari 5200 cpu MOS Technology 6502
this entity surface form: MOS Technology 6502C
Apple SOS runsOnProcessor MOS Technology 6502
this entity surface form: Synertek 6502A
Apple SOS runsOnProcessor MOS Technology 6502
this entity surface form: MOS Technology 6502-compatible CPU