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Explain what the following 68000 program does use the 68000


Question: 1. Explain what the following 68000 program does. Use the 68000 simulator to test your observations.

                 MOVE.B   #20, D0

                 MOVE.L   #$1000, A0

Again          CLR.B      (A0)

                 ADD.L      #1, A0

                 SUB.B      #1, D0

                 BNE          Again

2. Describe the operation of the stack pointed at by A7. In which direction does it grow as items are pushed onto the stack?

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Computer Engineering: Explain what the following 68000 program does use the 68000
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