SUBROUTINE ENTERGRAPHICSMODE ( )
Description
Enter ReGIS, clear screen
Source file:animated_pendulum_entergr.f
I/O Operations:
Unit ID  Unit No       Access  Form   Operation
      *                   SEQ  FMTD           W  

Operation codes A=rewind,B=backspace,C=close,E=endfile
                I=inquire,O=open,R=read,W=write
Intrinsic Functions Called
CHARACTER          CHAR
Local Variables (+ indicates altered content)
CHARACTER         +ESC