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PM_Opc_NOT.md

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== NOT = Logical NOT ==

Hex Mnemonic Cycles
CE A0 NOT A 12
CE A1 NOT B 12
CE A2 nn NOT [N+#nn] 20
CE A3 NOT [HL] 16

Execute

A       = Register A B       = Register B [N+#nn] = Memory: (I shl 16) or (N shl 8) or #nn [HL]    = Memory: (I shl 16) or HL

; NOT Ds ; ; Ds = Source/Destination

Ds = Ds XOR $FF

Description

8-Bits Destination is inverted (all bits).

Conditions

Zero: Set when result is 0

Sign: Set when bit 7 of the result is 1

Carry and Overflow remain unchanged

Examples

; A = 0x01 NOT`` ``A ; A = 0xFE ; F = (Zero=0):(Sign=1)

; B = 0x85 NOT`` ``B ; B = 0x7A ; F = (Zero=0):(Sign=0)

; [HL] = 0xFF NOT`` ``[HL] ; [HL] = 0x00 ; F = (Zero=1):(Sign=0)

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