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Engineering · Computer Science
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ASSEMBLY LANGUAGE - VISUAL STUDIOS (IDE)

Write a Program to print the sum of two hex digits.

Example:

Enter first hex digit: 1

Enter second hex digit: A

Hex sum = B

Use ReadHex to read hex digit from keyboard.

Example: call ReadHex ;Input hexDig1

mov hexDig1, AL   

To write a hex digit to the screen we will use author's routine, WriteHex. The routine is written to write a hex number but we will use it to just write a single hex digit.

movzx EAX, hexSum ;Print hexSum

call WriteHex

Use the following Definitions:

.data

hex1Msg BYTE

hex2Msg BYTE   

hexSumMsg BYTE "Hex sum = ", 0

hexDig1 BYTE ?

hexDig2 BYTE ?

hexSum BYTE ?

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