dac.h « include « 68020 - plan9front.git - my patches for 9front; forked from http://git.9front.org/plan9front/plan9front/HEAD/info.html

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/*
 * Inmos G17x d/a converter
 */

typedef
struct	G170
{
	uchar	waddr;
	uchar	value;
	uchar	mask;
	uchar	raddr;
} G170;

#define DAC	((G170*)0xc0100000)