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MICROPROCESSOR INSTRUCTION REFERENCE->NEGA
NEGA Negate (twos complement) Accumulator A
00 - A -> A
Condition Code Register:
C Set if result not equal to zero, else cleared
V Set if result equals %1000000, else cleared
Z Set if result Zero, else cleared
N Set if result Negative, else cleared
I Not affected
H Not affected
Addressing mode | Assembler syntax |
Implied: | NEGA |