How I write this in C ++

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Hello, i am new here.
I am learning to write code in c ++.

how to write this in c ++ :

MOV ECX, OFFSET BYTE_BCAD72
CALL SUB_4ABCGA

What I have tried:

<pre>MOV ECX, OFFSET BYTE_BCAD72
CALL SUB_4ABCGA

Posted 12-Feb-17 17:01pm

ashley121

Updated 12-Feb-17 17:25pm

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3 solutions

Solution 3

Those two lines of code are assembly language, not any version of C. This is the kind of stuff that C/C++ compiles down to.

These two lines of code are meaningless without the much larger block of code around them. There is no way to "convert" those lines of code to C++. You have to evaluate the code that they are in and then write C++ code equivalent to the entire block, if possible.

Posted 12-Feb-17 17:25pm

Dave Kreskowiak

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ashley121 12-Feb-17 23:50pm

ty sir, is this possible use ecx to call 4ABCGA ?

Dave Kreskowiak 13-Feb-17 8:15am

You didn't listen to a single word I said. Those two lines of code have absolutely no meaning what-so-ever. It's IMPOSSIBLE to convert them to C/C++.

ECX is a CPU register, the two labels BYTE_BCAD72 and SUB_4ABCGA are not defined in your code to there is no value to move into ECX and no way to call a sub that you don't have defined.

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barneyman · Accepted Answer · 2017-02-12T17:15:00

Solution 1

you'd use __asm or __asm__ depending on your compiler

having said that, neither BYTE_BCAD72 or SUB_4ABCGA symbols would be defined in your code, so it probably wouldn't do what you wanted anyway, and ECX would be trashed too ...

Posted 12-Feb-17 17:15pm

barneyman

Comments

ashley121 12-Feb-17 23:22pm

Thank you for fast answer sir.

ashley121 12-Feb-17 23:46pm

is this possible use ecx to call 4ABCGA ?

Patrice T · Accepted Answer · 2017-02-12T17:17:00

Quote:
how to write this in c ++ :

You don't, because these 2 lines have no meaning.

Learn properly C++

Here is links to references books on C and C++ by the authors of the languages. Note than C is the ancestor of C++, so knowing C is always useful with C++.
The C Programming Language - Wikipedia, the free encyclopedia[^]
https://hassanolity.files.wordpress.com/2013/11/the_c_programming_language_2.pdf[^]
http://www.ime.usp.br/~pf/Kernighan-Ritchie/C-Programming-Ebook.pdf[^]

C++ Programing Language[^]