getvideo(3G) getvideo(3G)
NAME
getvideo - returns the value of video hardware register
SPECIFICATION
C long getvideo(reg)
long reg;
FORTRAN integer*4 function getvid(reg)
integer*4 reg
DESCRIPTION
getvideo returns the value of the specified register. reg
can be one DE_R1, CG_MODE, CG_CONTROL, CG_CPHASE, or
CG_HPHASE. Those constants are defined in cg2vme.h (which
is found in /usr/include/gl). DE_R1 is register one on the
Display Engine board. The other registers are on the
optional Composite video/Genlock board.
getvideo returns -1 if reg is not one of the listed
registers; or if the Genlock board is not installed and reg
is one of the CG registers.
SEE ALSO
setvideo, getmonitor, getothermonitor, setmonitor
NOTE
This routine is available only in immediate mode.
Page 1 (printed 8/20/87)