CE262 Microprocessor System Engineering

QUESTION 1

Perform the following operation: FFE3 + FC70

QUESTION 2

Convert 100D into its Binary and Hexadecimal equivalent

QUESTION 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;

QUESTION 4

Convert 6BD3H into its Binary and Decimal equivalent

QUESTION 5

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