OANNIHILATION
if (item[x][y] == OANNIHILATION) { /* collision of spheres detonates spheres */
item[x][y] = OANNIHILATION;
if (xl && xl != OWALL && xl != OANNIHILATION) {
if (i == OANNIHILATION) {
if (item[x][y] != OANNIHILATION) /* not really there */
case OANNIHILATION: