Question

Assembly Language Please Write an Assembly Code which includes Irvine library (INCLUDE Irvine32.inc) Copy_a_String_Backwards Write an assembly program that copies a string from source to target, reversing the character order in the process. A little challenging while more efficient is in-place reversing a string: Using xchg. Your algorithm can be like this: \begin{itemize} \item Point ESI to the end of the source string \item Point EDI to the beginning of the target string \item Initialize the loop counter ECX and start a loop \begin{itemize} \item Get a character from source \item Store it in the target \item Update ESI and EDI \end{itemize} \item Call WriteString to output the two strings similar to this: \end{itemize} >>> Please select from the menu: 1. Copy a string backwards 2. Return the current original string 3. Exit Enter your choice: 1 Please enter a string: I am happy The reversed string: yppah ma I >>> Please select from the menu: 1. Copy a string backwards 2. Return the current original string 3. Exit

          Assembly Language
Please Write an Assembly Code which includes Irvine library (INCLUDE Irvine32.inc)
Copy_a_String_Backwards
Write an assembly program that copies a string from source to target, reversing the
character order in the process. A little challenging while more efficient is in-place
reversing a string: Using xchg. Your algorithm can be like this:
\begin{itemize}
\item Point ESI to the end of the source string
\item Point EDI to the beginning of the target string
\item Initialize the loop counter ECX and start a loop
\begin{itemize}
\item Get a character from source
\item Store it in the target
\item Update ESI and EDI
\end{itemize}
\item Call WriteString to output the two strings similar to this:
\end{itemize}
>>> Please select from the menu:
1. Copy a string backwards
2. Return the current original string
3. Exit
Enter your choice: 1
Please enter a string: I am happy
The reversed string: yppah ma I
>>> Please select from the menu:
1. Copy a string backwards
2. Return the current original string
3. Exit

Assembly Language
Please Write an Assembly Code which includes Irvine library (INCLUDE Irvine32.inc)
CopyaStringBackwards
Write an assembly program that copies a string from source to target, reversing the
character order in the process. A little challenging while more efficient is in-place
reversing a string: Using xchg. Your algorithm can be like this:

* Point ESI to the end of the source string

* Point EDI to the beginning of the target string

* Initialize the loop counter ECX and start a loop

* Get a character from source

* Store it in the target

* Update ESI and EDI

* Call WriteString to output the two strings similar to this:

>>> Please select from the menu:
1. Copy a string backwards
2. Return the current original string
3. Exit
Enter your choice: 1
Please enter a string: I am happy
The reversed string: yppah ma I
>>> Please select from the menu:
1. Copy a string backwards
2. Return the current original string
3. Exit

Added by Amparo L.

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