so                156 usr/sample/tetris/screen.c 	regcell so, cur_so = 0;
so                173 usr/sample/tetris/screen.c 			if (*sp == (so = *bp))
so                175 usr/sample/tetris/screen.c 			*sp = so;
so                182 usr/sample/tetris/screen.c 			if (so != cur_so) {
so                183 usr/sample/tetris/screen.c 				cur_so = so;
so                185 usr/sample/tetris/screen.c 			putstr(so ? "XX" : "  ");
so                197 usr/sample/tetris/screen.c 			if (i > STOP || sp[1] != bp[1] || so != bp[1])
so                201 usr/sample/tetris/screen.c 			else if (i < STOP && so == bp[2] && sp[3] != bp[3]) {