1. (TCO 4) What is the value in Accumulator A after the execution of the code be

Question

1. (TCO 4) What is the value in Accumulator A after the execution of the code below?

                    ORG               $2000
XYZ             DC.B               4, 0, 1, 1, 0
                    ORG               $8000
                    LDX                #XYZ
                    LDAB             #05
                    LDAA             #01
BACK          ADDA             0, X
                    INX
                    DECB
                    BNE               BACK

       A. $06
       B. $07
       C. $05
       D. $1007
       None of the above

2. What will be the value in Accumulator A after the following program is executed?

                ORG               $2000
DATA1   DC.B               $F8
                ORG               $8000
                LDAA             DATA1
                LDAB             #4
BACK      LSLA
                DECB
                BNE               BACK
HERE      BRA               HERE       

       A. $80
       B. $08
       C. 0
       None of the above

Explanation / Answer

1) B. $07

2) A. $80

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