fire_phaser
fire_phaser(ent, dy, dx);
fire_phaser(base, dy, dx);
fire_phaser(obj, -dy, -dx);
fire_phaser(obj, -dy, -dx);
fire_phaser(obj, -dy, -dx);
fire_phaser(obj, -dy, -dx);
fire_phaser(obj, -dy, -dx);
void fire_phaser(OBJECT *, int, int);