if (game.state.cx[l]==iqx && game.state.cy[l]==iqy) return 0;
/* refuse to leave if currently attacking starbase */
if (batx==quadx && baty==quady) return 0;
if (game.state.cx[l]==iqx && game.state.cy[l]==iqy) return 0;
/* refuse to leave if currently attacking starbase */
if (batx==quadx && baty==quady) return 0;