Write a simple program in which the value, $55, is added three times.
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Get it written →Write a simple program in which the value, $55, is added three times.
Question 2. Question: Which of the following instructions is (are) illegal?
LDAA #500
LDAA #50
LDAA #$255
STAA #50
STAA $50
LDAA 6, X
Question 3. Question: Identify the addressing mode for each of the following.
STAA $2005
LDAA #$55
STAA $55
CLRA
ADDA 0, X
Question 4. Question: Show the status of C and Z flags after each of the following codes.
LDAA #$54
ADDA #$C4
LDAA #01
ADDA #$FF
Question 5. Question: Show the status of H and N flags after the following code.
LDAA #$A1
ADDA #$0F
Question 6. Question: Define a byte-size and word-size variable starting at address $2000. Initialize both variables to $55. You should use ORG, DC.B, and DC.W directives.
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