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DEY

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Basic Info
Addressing Mode Opcode Length Speed
Implied (type 1) 88 1 byte 2 cycles
Flags Affected
N V M X D I Z C
N . . . . . Z .

DEY is a 65x instruction that decrements the Y index register by one. DEY ignores the decimal flag. Unlike SBC, DEY never affects the carry flag.

Syntax

DEY

See Also

External Links