How to access register like AX, BX in C or C++

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registers like AX,BX,CX etc are the primary register in assembly language :

mov ax,some value

work good but this doesnt work directly with c because it not defined is any way to access this register in c.

What I have tried:

i try to convert code of obj to c which use dos.h and int86 function,but its no use.

Posted 3-Apr-16 3:07am

Ravinder Singh

Updated 3-Apr-16 4:14am

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Patrice T 3-Apr-16 10:45am

What is your compiler ? what is your OS ?

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Dave Kreskowiak · Answer 1 · 2016-04-03T04:14:00

Solution 1

You can't. The compiler abstracts this from your C/C++ code and uses the registers as it see fit.

You CAN, however, if your C/C++ compiler supports Inline Assembly, inside which you can write assembly language code. Read up on it here[^] is you're using Visual Studio.

Posted 3-Apr-16 4:14am

Dave Kreskowiak

Comments

Sergey Alexandrovich Kryukov 3-Apr-16 12:24pm

Right, a 5.
—SA