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INC (SPC700): Difference between revisions

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Latest revision as of 14:00, 30 July 2024

Basic Info
Addressing Mode Opcode Length Speed
Accumulator BC 1 byte 2 cycles
Direct Page AB 2 bytes 4 cycles
Direct Page Indexed by X BB 2 bytes 5 cycles
Absolute AC 3 bytes 5 cycles
Implied (type 1) 3D 1 byte 2 cycles
Implied (type 1) FC 1 byte 2 cycles
Flags Affected
N V P B H I Z C
N . . . . . Z .

INC is an SPC700 instruction that increments its operand by one.

Syntax

INC A
INC dp
INC dp+X
INC !abs
INC X
INC Y

The above are official, but some people prefer alternate mnemonics like:

INA
INX
INY

See Also

External Links