#include <stdio.h>

#define DAC_1     0177000
#define DAC_2     0177002
#define DAC_3     0177004
#define DAC_4     0177006
#define ADC       0177010
#define START_ADC 0177012
#define OUTRG_1   0177014
#define OUTRG_2   0177016
#define INRG      0177020
#define RELAY     0177022
#define TIMER_1   0177040
#define TIMER_2   0177050
#define RS_DATA   0177070
#define RS_STATUS 0177072

#define TERM      0177562

#define CLOCKFREQ 1000000.0     /* Clock freqency, Hz  */
#define MAXSECS 60000
#define CLS printf("\033H\033J\n")
#define CLRSCR  0
#define CLRLINE 1
#define MSGONLY 2
#define NEWPAGE message( "Press < SPACE > for continue", 23, 50, CLRSCR);

#define uthibyte(a)   (((a)>>8)&0x00ff) /* High byte of word a.     */

#define utlobyte(a)   ((a)&0x00ff)      /* Low  byte of word a.     */

			/* Return word pointed to by pointer.       */
#define utpeekw(p) (*(( unsigned int *) (p)))

			/* Put word in location pointed to.         */
#define utpokew(p,uval) (*((unsigned int *) (p)) = (uval))

       /* Returns value of bit ( n = 0 - 15 ) in integer  (x) */
#define utcheckbit( x, n ) ((x) & (1 << n)) != 0 ? 1: 0

       /* Sets bit (n) in integer  (x) to 1 */
#define utsetbit( x, n ) ( x = ((x) | (1 << n)))

       /* Sets bit (n) in integer (x) to 0  */
#define utresetbit( x, n ) ( x = ((x) & (~(1 << n))))

       /* Inverts bit (n) in integer (x)    */
#define utinvertbit( x, n ) ((x) & (1 << n)) != 0 ? utresetbit( x, n ):\
			     utsetbit( x, n )

				/* Combine high byte h, low byte l. */
#define utbyword(h,l) ((((h)&0x00ff)<<8)|((l)&0x00ff))

#define outdac(addr, val) (val) >= 0 ? utpokew(addr,~(abs(val) | 0)):\
				       utpokew(addr,~(abs(val) | 0100000))

#define inp_byte(addr) ~(utpeekw(addr))

#define outrg1(byte) utpokew( OUTRG_1, ~(byte))

#define outrg2(byte) utpokew( OUTRG_2, ~(byte))

#define getvolts( n, chan ) getadc( n, chan)/3200.0
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