Opalblanker 2.1.  Some bugs fixed.  Blanks amiga screen as well if no
opalvision.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 4845    8496  57.0% -lh5- 2efa Feb 18  1993 opalblanker
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         1 file     4845    8496  57.0%            Apr  6  1994