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/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sgtty.h>
#include "hp2648.h"
void
handshake(void)
{
int i;
char ch;
if( shakehands != TRUE )
return;
ch = ' ';
putchar(ENQ);
fflush(stdout);
while(1){
i = read(fildes, &ch, 1);
if(i < 0)
continue;
if(ch == ACK)
break;
putchar('Z');
fflush(stdout);
stty(fildes, &sarg);
exit(0);
}
}
void
buffready(int n)
{
buffcount = buffcount + n;
if(buffcount >= 80){
handshake();
putchar(ESC);
putchar(GRAPHIC);
putchar(PLOT);
putchar(BINARY);
buffcount = n+4;
}
}
void
itoa(int num, char *byte1, char *byte2)
{
*byte1 = (num & 037) | 040;
*byte2 = ((num>>5) & 037) | 040;
}
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