63a64
> 	int 		lock; 	/* screen locked */
1380a1382,1393
> 		/* screen blanker 'B' lock[1] blanktime[4] timetoblank[4] */
> 		case 'B':
> 			printmesg(fmt="bLL", a, 0);
> 			m = 1+1+4+4;
> 			if(n < m)
> 				error(Eshortdraw);
> 			sdraw.lock = a[1];
> 			blanktime = BGLONG(a+2);
> 			sdraw.blanktime = (abs(blanktime - BGLONG(a+6)) + (blanktime - BGLONG(a+6)))*60*HZ/2;
> 			/* print("bt %d sbt %d l %c\n",blanktime,sdraw.blanktime,sdraw.lock); */
> 			continue;
> 
2021c2034,2035
< 	if(active){
---
> 	/* if lock is set don't unblank w/ mouse */
> 	if(active && sdraw.lock != '1'){