Funcion CharacterCheckRight();

// Funcion CharacterCheckRight();
u16 CharacterCheckRight(s8 add) {

    // Variables
    s32 x, y;
    s32 fx, fy;
    s32 start, end;
    s16 tile = 0;
    s16 result = T_AIR;

    // Variables de posicion
    fx = (CHARACTER.pos_fx >> 8);
    fy = (CHARACTER.pos_fy >> 8);

    // Calcula el rango de tiles a analizar
    x = (fx + CHARACTER.right + add);
    start = (fy - CHARACTER.up[0]);
    end = (fy + CHARACTER.down);

    // Analiza los tiles del lateral (steps de 1/2 tile)
    for (y = start; y <= end; y += 4) {
        tile = NF_GetTile(MAINMAP_SLOT, x, y);
        // Si el tile es pared...
        if (tile == T_WALL) {
            result = T_WALL;
            y = end;
        }
    }

    // Devuelve el resultado
    return result;

}