Description
Homework #2 – Convert C to Assembly
CS 3844 Section 0B1,
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?
