Starting from:

$30

CS3844-Homework 2 Convert C to Assembly Solved

Given this C program:

#include <stdio.h

 

int main(int argc, char *argv[]) {

  int i;

  printf("Hex  Dec  Oct   Ch\n");

  for (i=32; i<256; i++) {

    printf(" %2x  %3d  %3o   %c\n", i, i, i, i);

  }

}
Output should look like this (from both the C program above and your Assembly version):

 

Convert it to Assembly (inside C). You must use Visual Studio in the VDI. If you run it on Linux, characters 128 to 255 won't show up.

#include <stdio.h

#include <stdlib.h

 

int main(int argc, char *argv[]) {

       char *hdr = "Hex  Dec  Oct   Ch\n";

       char *msg = "%3x  %3d  %3o   %c\n";

 

       __asm {

              TBD

       }

       system("pause");

}
Replace the TBD with two parts: a loop on EAX from 32 to 255, and a function. You must do a CALL to your function and RET to return. And you must pass in the loop variable to the function using the EAX register.

Hint: Use the command "call printf" to do the two prints. It expects all the parameters on the Stack. What order do the parameters need to be to printf?

More products