Docs » Autodocs » graphics.library » VBeamPos
VBeamPos -- Get vertical beam position at this instant.
pos = VBeamPos()
d0
LONG VBeamPos( void );
Get the vertical beam position from the hardware.
none
interrogates hardware for beam position and returns value.
valid results in are the range of 0-511.
Because of multitasking, the actual value returned may have
no use. If you are the highest priority task then the value
returned should be close, within 1 line.
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