Returns an I/O request for use with WaitVBL() and WaitVBLDefer().
Item CreateVBLIOReq (void)
This call is a convenience call for the vbl timer. This call creates and returns an I/O request that is suitable for use with WaitVBL()
and WaitVBLDefer()
.
CreateVBLIOReq()
returns the item number of the I/O request or an error code (a negative value) if an error occurs.
Macro implemented in graphics.h V24.
graphics.h
DeleteVBLIOReq
()