1 /********************************************************************
2 /********************************************************************
5 /*************************************************
6 / DISPLAY (HIGH LEVEL) RELATED STUFF
7 DCLEAR=1 / CLEAR DISPLAY BEFORE NEXT DRAWING OPERATION
8 DFULL=1 / DRAW COMPLETE DISPLAY (NON-BLANK LOCS)
9 DUPDAT=2 / UPDATE PLAYING FIELD
10 DSTATE=4 / UPDATE STATUS DISPLAY
11 DIALOG=10 / REDRAW LAST TWO SCREEN LINES ON UPDATE