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Autodocs
 Devices:
 timer.device
  --background--
  AbortIO
  AddTime
  CmpTime
  GetSysTime
  ReadEClock
  SubTime
  TR_ADDREQUEST
  TR_GETSYSTIME
  TR_SETSYSTIME
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GuruMeditation
Docs » Autodocs » timer.device » ReadEClock

NAME

	ReadEClock -- Get the current value of the E-Clock. (V36)

SYNOPSIS

	E_Freq = ReadEClock( Dest )
	D0                   A0
	ULONG ReadEClock ( struct EClockVal * );

FUNCTION

	This routine calculates the current 64 bit value of the E-Clock
	and stores it in the destination EClockVal structure. The count
	rate of the E-Clock is also returned.
	A0 will be left unchanged
	This is a low overhead function designed so that very short
	intervals may be timed.

INPUTS

	Dest -- pointer to an EClockVal structure.

RESULT

	Dest -- the EClockVal structure will contain the E-Clock time
	E_Freq -- The count rate of the E-Clock (tics/sec).

NOTES

	This function may be called from interrupts.

SEE ALSO

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