HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
INT 33,D - Mouse Light Pen Emulation On        AX = 0D        returns nothing        - turns on light pen emulation;  the light pen is considered          down when both buttons are down;   when both buttons are          up the pen is considered off screen        - see   INT 33,E
Esc or Alt-X to exit	int 33,d	Home/PgUp/PgDn/End ←↑↓→

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