In 8-bit unsigned arithmetic, which instruction pattern correctly multiplies the accumulator by 16 while keeping only the low 8 bits of the result?

Question

Answer

Use DIV AB with B=16 because division and multiplication are symmetric

Answer

Use RRC A four times because rotating right by four positions equals times 16

Answer

Execute four consecutive left shifts (e.g., using RL A four times) to multiply by 2 four times

Answer

Execute one left shift and one SWAP to achieve times 16

Crowdly