SetConsoleCursorPosition

// msvc2013
#include <iostream>
#include <Windows.h>
#include <conio.h>
enum DIRECTION {
    A = 65,
    D = 68,
    S = 83,
    W = 87,
    a = 97,
    d = 100,
    s = 115,
    w = 119,
    В = 130,
    Ф = 148,
    Ц = 150,
    Ы = 155,
    в = 162,
    ф = 228,
    ц = 230,
    ы = 235
};
COORD move(COORD, unsigned char);
int main() {
    COORD coord;
    coord.X = 0;
    coord.Y = 0;
    CONSOLE_CURSOR_INFO cursor = { 1, false };
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cursor);
    std::cout << '|';
    unsigned char direction;
    while (true) {
        direction = _getch();
        coord = move(coord, direction);
    }
    return 0;
}
COORD move(COORD coord, unsigned char direction) {
    bool attemp = false;
    switch (direction) {
        case a: case A: case ф: case Ф:
            if (coord.X) {
                --coord.X;
                attemp = true;
            }
            break;
        case d: case D: case в: case В:
            if (coord.X < 78) {
                ++coord.X;
                attemp = true;
            }
            break;
        case s: case S: case ы: case Ы:
            if (coord.Y < 25) {
                ++coord.Y;
                attemp = true;
            }
            break;
        case w: case W: case ц: case Ц:
            if (coord.Y) {
                --coord.Y;
                attemp = true;
            }
            break;
        default: break;
    }
    if (attemp) {
        system("cls");
        SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);
        std::cout << '|';
    }
    return coord;
}