inline assembly question

How would you go about using a C style string in inline assembly?

I have been working on this for quite awhile now...but cant get it to work...here is my code, its not long:

Code:

---

#include <iostream.h>
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>

char string[20];

int main (void)
{
        memset(string, 0, 20);     
  asm {
          mov dx, seg string
      mov ds, dx
      lea dx, string
      mov ah, 0Ah
      int 21h
  }

  printf("%s", string);

  getch();
  return 0;
}

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It is supposed to input a string, then print it, wait for a keypress, and exit..

however, it is not inputting, just going straight to the getch()...anybody good with inline assembly around here that could help out?

Well, looks fine to me, but then again my assembler is a bit rusty.

string should be unsigned char

also you are not pushing DS - therefore your program will probably crash.

if you alter DS inside of C or assembly you must push it's current value so you can restore it later

Your code will cause system instability next time you try to access something in your data segment.

You could ditch the DOS interupts and call the c functions (so it would have a tiny bit more portability) -

Code:

---

char n[20];
char format[] ="%s";

int main()
{
   
    __asm{
        lea eax,n
        lea ebx,format
        push eax
        push ebx
        call scanf
        add esp,8   
    }

    printf(format,n);
   

    return 0;
}

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