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Figure 4.16 P283 Executing Arith /Logical Operation OPl rA, rB 6 fn ralrB Fetch Memory Read 2 bytes Do nothing Decode Write back Read operand registers ■ Update register Execute PC Update ■ Perform operation ■ Increment Pc by2 Set condition codes -9 Processor– 9 – Processor Figure 4.16 P283 Executing Arith./Logical Operation Fetch ◼ Read 2 bytes Decode ◼ Read operand registers Execute ◼ Perform operation ◼ Set condition codes Memory ◼ Do nothing Write back ◼ Update register PC Update ◼ Increment PC by 2 OPl rA, rB 6 fn rA rB
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