Module Name:	src
Committed By:	mycroft
Date:		Sun Aug  9 06:38:30 UTC 1998

Modified Files:
	src/sys/dev/isa: ess.c essvar.h
Log Message:
Don't actually touch the hardware in set_params; defer that until we actually
start a transfer.  Instead, just check that the parameters are valid.
Also, use 16-bit output for u-law and a-law.