... multiply, and branch instructions must use the .D, .M, and .S units, respectively; the add and subtract instructions can use anyunit (except .M). The instructions within the loop consume 16 cycles ... following cycles:Cycle 1: LDW, LDW (also initialization of count, and the accumulators A7 and B7)Cycle 2: LDW, LDW, SUBCycles 3–5: LDW, LDW, SUB, BCycles 6–7: LDW, LDW, MPY, MPYH, SUB, BCycles ... instruction.5. SUB instruction must start one cycle before the branch instruction, since the loop count is decremented before branching occurs. Therefore, SUB starts incycle 2.From Table 8.1, the...