WDC 65C816 CPU

E1045989

The WDC 65C816 CPU is a 16-bit extension of the 6502 microprocessor family, widely known for powering systems like the Apple IIGS with enhanced memory addressing and performance capabilities.

All labels observed (3)

Label Occurrences
WDC 65C816 2
W65C816 1
WDC 65C816 CPU canonical 1

How this entity was disambiguated

Statements (51)

Predicate Object
instanceOf 16-bit microprocessor ⓘ
microprocessor ⓘ
addressBusWidth 24-bit ⓘ
alsoKnownAs 65C816 ⓘ
W65C816 ⓘ
linked to: WDC 65C816 CPU
architectureFamily MOS Technology 6502 ⓘ
backwardCompatibilityGoal support existing 6502 software ⓘ
clockSpeedRange typically up to several MHz ⓘ
dataBusWidth 8-bit ⓘ
designer Western Design Center ⓘ
directPageSize 256 bytes ⓘ
documentationPublisher Western Design Center ⓘ
emulationModeAccumulatorSize 8-bit ⓘ
emulationModeIndexRegisterSize 8-bit ⓘ
emulationModeVectorBank bank 0 ⓘ
hasDecimalMode true ⓘ
instructionSetCompatibility binary compatible with 6502 in emulation mode ⓘ
introduced mid-1980s ⓘ
isExtensionOf WDC 65C02 ⓘ
longAddressWidth 24-bit ⓘ
market embedded systems ⓘ
personal computers (1980s) ⓘ
maxAddressableMemory 16 megabytes ⓘ
nativeModeAccumulatorSize 16-bit ⓘ
nativeModeIndexRegisterSize 16-bit ⓘ
nativeModeVectorBank bank 0 ⓘ
powerConsumption lower than NMOS 6502 ⓘ
resetVectorLocation bank 0, addresses FFFC–FFFD ⓘ
stackPage bank 0 ⓘ
stackPointerWidth 16-bit in native mode ⓘ
statusRegisterWidth 8-bit ⓘ
supports16BitImmediateOperands true ⓘ
supportsBankSwitching true ⓘ
supportsBlockMoveInstructions true ⓘ
supportsDirectPageRegister true ⓘ
supportsInterrupt ABORT ⓘ
COP ⓘ
IRQ ⓘ
NMI ⓘ
RESET ⓘ
supportsLongAddressing true ⓘ
supportsMode emulation mode ⓘ
native mode ⓘ
supportsMVNInstruction true ⓘ
supportsMVPInstruction true ⓘ
supportsStackRelativeAddressing true ⓘ
technology CMOS ⓘ
usedIn Apple IIGS ⓘ
linked to: Apple IIgs

Atari 5200 development systems (some variants) ⓘ
linked to: Atari 5200

Super Nintendo Entertainment System main CPU variant (Ricoh 5A22) ⓘ
wordSize 16-bit ⓘ

How these facts were elicited

Referenced by (4)

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

GS/OS → designedFor → WDC 65C816 CPU ⓘ
MOS Technology 6502 → inspiredDerivative → WDC 65C816 ⓘ
linked to: WDC 65C816 CPU
Apple IIgs → cpu → WDC 65C816 ⓘ
linked to: WDC 65C816 CPU
WDC 65C816 → alsoKnownAs → W65C816 ⓘ
subject linked to: WDC 65C816 CPU
linked to: WDC 65C816 CPU