CE262 Microprocessor System Engineering

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Please show all work for all the problems.

 

1. Perform the following operation: FFE3 + FC70.

 

2. Convert 100D into its Binary and Hexadecimal equivalent.

 

3. The following code utilizes a while loop. Assume that sum references a doubleword in the data segment and that count is in the ECX register. Give a fragment of 80x86 cod that implements the design.

sum := 0;

count := 100;

while (sum<1000) or (count >= 0) loop

add count to sum;

subtract 1 from count;

end while;

4. Convert 6BD3H into its Binary and Decimal equivalent.

5. For each part of this problem, assume the Before values when the given Instruction is executed. Give the requested After values:

(SEE THE ATTACHMENT)

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