std::string toBinary(const unsigned char* c_ptr, const std::size_t &bytes)
{
unsigned char bitPattern;
std::string binaryString("");
for (std::size_t byte(0); byte < bytes; ++ byte) {
bitPattern = 0x80; // 10000000 in binary
for (unsigned int bit = 0; bit < 8; ++ bit) {
if ((bitPattern & *(c_ptr + byte)) > 0) // (c_ptr + byte) is the current address.
binaryString += "1";
else
binaryString += "0";
bitPattern >>= 1;
}
}
return binaryString;
}
int main() {
int x = 0xAA;
int y = 0x56;
printf("int x = 0x%X; // %s\n", x, binaryString(x)+24 );
printf("int y = 0x%X; // %s\n\n", y, binaryString(y)+24 );
printf("x & y = ");
getc(stdin);
printf("0x%X (%s)\n", x & y, binaryString(x & y)+24 );
getc(stdin);
printf("x && y = ");
getc(stdin);
printf("0x%X (%s)\n", x && y, binaryString(x && y)+24 );
getc(stdin);
printf("x | y = ");
getc(stdin);
printf("0x%X (%s)\n", x | y, binaryString(x | y)+24 );
getc(stdin);
printf("x ^ y = ");
getc(stdin);
printf("0x%X (%s)\n", x ^ y, binaryString(x ^ y)+24 );
getc(stdin);
printf("x || y = ");
getc(stdin);
printf("0x%X (%s)\n", x || y, binaryString(x || y)+24 );
getc(stdin);
printf("~x = ");
getc(stdin);
printf("0x%X (%s)\n", ~x, binaryString(~x)+24 );
getc(stdin);
printf("~y = ");
getc(stdin);
printf("0x%X (%s)\n", ~y, binaryString(~y)+24 );
getc(stdin);
printf("!x = ");
getc(stdin);
printf("0x%X (%s)\n", !x, binaryString(!x)+24 );
getc(stdin);
printf("!y = ");
getc(stdin);
printf("0x%X (%s)\n", !y, binaryString(!y)+24 );
getc(stdin);
printf("x << 2 = ");
getc(stdin);
printf("0x%X (%s)\n", x << 2, binaryString(x << 2)+24 );
getc(stdin);
printf("y << 2 = ");
getc(stdin);
printf("0x%X (%s)\n", y << 2, binaryString(y << 2)+24 );
getc(stdin);
printf("x >> 2 = ");
getc(stdin);
printf("0x%X (%s)\n", x >> 2, binaryString(x >> 2)+24 );
getc(stdin);
printf("y >> 2 = ");
getc(stdin);
printf("0x%X (%s)\n", y >> 2, binaryString(y >> 2)+24 );
}