Instruction with a 68HC12 computer. Here is the listing file for a program for t

Question

Instruction with a 68HC12 computer.

Here is the listing file for a program for the 68HC12 $0808 -00000803 org $0A. 0808 5A staa A BE 0811 daa $0821 080 adda $080 D a) BB 080D 0810 86 7 E daa 0812 20 FC bra loop a. have erased" the address of the add instruction. What is it? b. Also, notice also that I have erased the target of the branch loop Even so, you should be able to determine the target address of the Branch instruction part of answer below). C. Assume that you have downloaded the program to the 68HC 12 and are using the D-Bug12 monitor to trace (single-step) the program's execution. Some of this activity is shown below. You are to provide the information that would be shown as you continue to type "t" over and over to single step through the program.

Explanation / Answer

Answer:

Program listing:

a) 080C

b) 0808

c) Contents will be as follows:

PC: 0808, A: 0A00

PC: 080A, A: 0811

PC: 080C, A: 080D

PC: 0810, A: 7E

PC: 0810, A: FC

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