What are the contents of register a after the execution

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Reference no: EM132116109

Question # 1

Assume X = $2CD1, Y =$ACBF, A = $EA, B = $FB and CCR = $FF.

a) What are the contents of the stack, SP register at the end of the following program segment? LDS #$01FF PSHA PSHB PSHY

b) Assume that the following instructions are executed after part (a), What are the contents of the stack, SP, A, B, X, Y register at the end of the following program segment?

PULX

PULA

PULB

Question # 2 Given the following code,

LDAA #69

LDAB #72

ABA

a) What are the contents of register A after the execution of this code?

b) Is it valid unsigned operation?

c) Is it valid unsigned operation?

Reference no: EM132116109

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