// parport.h: parallel port output routines
//
// Charles Hastings, 1998
// http://pangaea.ml.org/
//
//        01234567abcd  
// ppout("000000000000");
//
// The arguments must be either 1 or 0.  1 will turn the pin high, 0 low.
// Inverted bits are compensated for in software.
//
// Position	Pin Name	|| Pin Number
// ------------------------------------------
//	0	Data 0		2
//	1	Data 1		3
//	2	Data 2		4
//	3	Data 3		5
//	4	Data 4		6
//	5	Data 5		7
//	6	Data 6		8
//	7	Data 7		9
//	a	/Strobe		1
//	b	/Auto Feed	14
//	c	Init		16
//	d	/Select Input	17
//
///////////////////////////////////////////////////////////////////////////////

#include <math.h>
#include "/usr/src/linux/include/asm-i386/io.h"

const port=0x378;
void ppout(char);

void ppout(char ppOut[]) {
	int outSum=0;
	int loop;
	for(loop=0;loop<8;loop++) {
		if (ppOut[loop]=='1') {outSum=outSum+int(pow(2.0, loop));}
	}

	outb(outSum,port);
	
	outSum=0;
	for(loop=8;loop<12;loop++) {
		if(ppOut[loop]=='0' && loop==8) {outSum=outSum+1;}
		if(ppOut[loop]=='0' && loop==9) {outSum=outSum+2;}
		if(ppOut[loop]=='1' && loop==10) {outSum=outSum+4;}
		if(ppOut[loop]=='0' && loop==11) {outSum=outSum+8;}
	}

	outb(outSum,port+2);
}