Explain the following program by typing a commnet next every line and explain the output of the program in a few lines. #include #include using
Explain the following program by typing a commnet next every line and explain the output of the program in a few lines.
#include
using namespace std;
int main(void) {
const int n = 5; /
unsigned int u32_arr[n] = { 0x00000041, 0x00000052, 0xabcd1169,'1234','aABc' }; unsigned int *uPtr; unsigned int u0, u1, u2, u3, u4; int u0_addr, u1_addr, u2_addr, u3_addr, u4_addr; int i;
//Display the hexadecimal and decimal values for each element of the unsigned int array
cout << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ "; cout << "-------------------The value of each element of 32-bit array---------------- ";
for (i = 0; i < n; i++) {
cout << "The value and the size of element " << dec << i; cout << " in an array are 0x" << hex << u32_arr[i] << " and " << sizeof(u32_arr[i]) << "byte(s)" << endl; }
printf("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ "); uPtr = u32_arr;
//Display the 32-bit address in hexadecimal form
cout << "The 32-bit memory address of the array is 0x" << hex << uPtr << endl;
_asm {
mov EBX, uPtr;
mov AX, [EBX]; mov u0, EAX; mov u0_addr, EBX;
mov ECX, 2H; add EBX, ECX;
mov AX, [EBX]; mov u1, EAX; mov u1_addr, EBX;
mov AX, [EBX + 2H]; mov u2, EAX;
mov EDI, EBX; add EDI, 2H; mov u2_addr, EDI;
mov AX, [EBX + 4H]; mov u3, EAX;
mov EDI, EBX; add EDI, 4H; mov u3_addr, EDI;
mov AX, [EBX + 6H]; mov u4, EAX;
mov EDI, EBX; add EDI, 6H; mov u4_addr, EDI;
}
// Display the retrieve values from a list of addresses
cout << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ " << endl;
cout << "The value of each element of the 32-bits unsigned int array" << endl << endl << endl;
cout << "+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ " << endl; cout << "The retrieved value 0x" << hex << u0 << "\t at the address of 0x" << hex << u0_addr << endl; cout << "The retrieved value 0x" << hex << u1 << "\t at the address of 0x" << hex << u1_addr << endl; cout << "The retrieved value 0x" << hex << u2 << "\t at the address of 0x" << hex << u2_addr << endl; cout << "The retrieved value 0x" << hex << u3 << "\t at the address of 0x" << hex << u3_addr << endl; cout << "The retrieved value 0x" << hex << u4 << "\t at the address of 0x" << hex << u4_addr << endl;
system("pause"); exit(0); return 0; }
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