#include <windows.h>
#include <iostream>

void WINAPI Main();
void Cls();
using namespace std;
HANDLE MainThread;


BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
	if (ul_reason_for_call == DLL_PROCESS_ATTACH)
	{
		MainThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)Main, NULL, 0, 0); 
	}
	return true;
}

void WINAPI Main()
{
	 int answer;
	 int newone;
	 AllocConsole();
     
  	 FILE *fStdIn,*fStdOut,*fStdErr;

	 fStdIn = freopen("conin$", "r", stdin); 
	 fStdOut = freopen("conout$", "w", stdout); 
	 fStdErr = freopen("conout$", "w", stderr); 
	 std::cout.sync_with_stdio();
	 std::cin.sync_with_stdio();


	 for (;;)
	 {
		 Cls();
		 cout << "1: Read\n2: Write\n3: Bulk Read\n\n";
		 cin >> answer;
		 cout << endl;
		 DWORD ADDRESS = 0x00400000;
		 int times;
		 int count = 0;
		 int active = 1;
		 int choice = 0;
		 Cls();

		 if (answer == 1)
		 {  
			 cout << "Enter address to read from: ";
			 cin >> hex >> ADDRESS;
			 cout << "Enter how many bytes to read: ";
			 cin >> dec >> times;

			 if (times > 999)
			 {
				 times = 999;
			 }

			 cout << endl;

			
			 for (int i = 0; i < times; i++)
			 {
				 if ((i%16) == 0)
				 {
					cout << endl << hex << ADDRESS+i << ": ";
				 }

				 if ((int)*(BYTE *)(ADDRESS+i) < 16)
				 {
					cout << uppercase << "0" << hex << (int)*(BYTE *)(ADDRESS+i) << " ";   
				 }
				 else
				 {
					cout << uppercase << hex << (int)*(BYTE *)(ADDRESS+i) << " "; 
				 }
			 }


			 cout << endl;
			 cin.clear();
			 cin.get();
			 cin.get();
		 }
		 if (answer == 2)
		 {  
			 cout << "Enter address to write to: ";
			 cin >> hex >> ADDRESS;

			 cout << endl;

			 if ((int)*(BYTE *)(ADDRESS) < 16)
			 {
				cout << "Current: " << uppercase << "0" << hex << (int)*(BYTE *)(ADDRESS) << "\n";   
			 }
			 else
			 {
				cout << "Current: " << uppercase << hex << (int)*(BYTE *)(ADDRESS) << "\n"; 
			 }

			 cout << "New: ";
			 cin >> hex >> newone;

			 *(BYTE *)(ADDRESS) = newone;
			 cout << "Byte edited to " << newone;

			 cout << endl;
			 cin.clear();
			 cin.get();
			 cin.get();
		 }
		 if (answer == 3)
		 {  
			 choice = 0;
			 active = 1;
			 cout << "Enter address to start from: ";
			 cin >> hex >> ADDRESS;

			 Cls();


			while (active == 1)
			{

				 for (int i = 0; i < 352; i++)
				 {
					 if ((i%16) == 0)
					 {
						cout << endl << uppercase << hex << ADDRESS+i << ": ";
					 }

					 if ((int)*(BYTE *)(ADDRESS+i) < 16)
					 {
						cout << uppercase << "0" << hex << (int)*(BYTE *)(ADDRESS+i) << " ";   
					 }
					 else
					 {
						cout << uppercase << hex << (int)*(BYTE *)(ADDRESS+i) << " "; 
					 }
				 }


				cout << "\n\n1: Up; 2: Down; 3: Exit" << endl;
				cin >> choice;

				if (choice == 1)
				{
					Cls();
					ADDRESS = ADDRESS - 352;
				}
				if (choice == 2)
				{
					Cls();
					ADDRESS = ADDRESS + 352;
				}
				if (choice == 3)
				{
					active = 0;
				}


			}

			 cout << endl;
			 cin.clear();
			 cin.get();
		 }

	 }

}

void Cls()
{
	HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
	COORD coord = {0, 0};
	DWORD integer;
	CONSOLE_SCREEN_BUFFER_INFO csbi;
	GetConsoleScreenBufferInfo(hStdOut, &csbi);
	FillConsoleOutputCharacter(hStdOut, ' ', csbi.dwSize.X * csbi.dwSize.Y, coord, &integer);
	SetConsoleCursorPosition(hStdOut, coord);
}