please answer only if you know The instruction set of the MOS Technology 6502 8-

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please answer only if you know

The instruction set of the MOS Technology 6502 8-bit microprocessor includes an operation for addition ("ADC") and left bit shifting by one place ("ASL), but no multiplication. Explain concisely how one can efficiently multiply a given quantity by 40 using ADC and ASL only. You may only use 1 addition, and no more than 5 left bit shifts. You can store intermediate results in memory. Ignore the complications that may arise due to the 6502's native limitaion to operating on 8-bit numbers. 4.

Explanation / Answer

Every left shift operation doubles the original number.

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