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MICROPROCESSOR INSTRUCTION REFERENCE->ADDA
ADDA Add Memory to Accumulator A
A + M -> A
Condition Code Register:
C Set if carry generated, else cleared
V Set on overflow, else cleared
Z Set if result Zero, else cleared
N Set if result Negative, else cleared
I Not affected
H Set if carry from bit 3 else cleared
Addressing mode | Assembler syntax |
Immed.: | ADDA #<exprn.> |
Direct: | ADDA <exprn.> |
Index X: | ADDA <exprn.>,X |
Index Y: | ADDA <exprn.>,Y |
Extend: | ADDA <exprn.> |