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Question 7.33 d. Branch back to the start of a loop a number of times based on a counter in a register e. Unconditional branch
Question 7.33
d. Branch back to the start of a loop a number of times based on a counter in a register e. Unconditional branch to a part of the program. 7.33 For each of the following questions, choose the cor- rect HCS12 instruction from the following list. An instruction may be used more than once. The correct instruction will be found in the list. Assume the pro- gram is executed in the order that is given; that is, the pointer register is initialized pointing to data memory and then accumulator A is loaded from that data memory, and so on. [c, k bge LOOP ldaa 0,x bgt LOOP jmp DONE jsr SUB ion data = $B0. uted followed by e conditional by yes or no if a, k] cmpa #$82 bhi LOOP cmpa #DATA1 bne LOOP bhs LOOP cmpa DATA1 bgt LOOP ldab #DATA1 Idx #DATA1 bhi Loop beq bne ldab 1, +X 1dx DATA1 bhs LOOP 1dab DATA1 1dy DATA1 ldaa #DATA1 ldy DATA1+1 on data = $22. ted followed by e conditional y yes or no if a, kl a. Initialize a pointer register pointing to data memory b. Load accumulator A from data memory location c. Load accumulator B from data memory location d. ; Load index register Y from DATAI:DATAI+1. DATAI beq bne DATA 1 . DATAI+ n data = $22. ed followed by a Step by Step Solution
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