Used by the routines at LEAPER, OILED_ROBOT, REMOTE_ROBOT, SCENE_TOOL, SCENE_SPARKS, CEILING_DROP, SET_WIPE_AND_DRAW_IY, WANTED_VALVE, SOCKET_SPARKLE, LOOSE_VALVE, LOWER_HALF, SHUTTLE_U, DEADLY_AND_DRAW, DROPPING_BLOCK, PUSHABLE, LIFT, SPARKLE_STEP, SPARKLE_END_PLACE, PLAYER_APPEARING and PLAYER_LEGS.

Sets bits 4 and 5 of +7 -- draw it, and rub out where it was -- and marks every object its old or new rectangle touches (SET_DRAW_OBJS_OVERLAPPED). The end of most update routines that move or change their object. As Knight Lore's set_wipe_and_draw_flags; SET_WIPE_AND_DRAW_IY does the same for the record at IY.