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MICROPROCESSOR INSTRUCTION REFERENCE->ADDD
Add Memory to Double Accumulator
Compatibility: 6803, 6303R, 6303X, 6303Y
A:B + M:(M+1) -> A:B
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 Not affected
Addressing mode | op | cyc | bytes | Assembler syntax |
Immed.: | C3 | 3 | 3 | ADDD #<exprn.> |
Direct: | D3 | 4 | 2 | ADDD <exprn.> |
Index : | E3 | 5 | 2 | ADDD <exprn.>,X |
Extend: | F3 | 5 | 3 | ADDD <exprn.> |