9bd1ba7c47
which included commits to RCS files with non-trunk default branches.
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
|
|
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
|
|
|
|
#pragma off (unreferenced)
|
|
static char rcsid[] = "$Id: coindev.c,v 1.1.1.1 2001-01-19 03:30:05 bradleyb Exp $";
|
|
#pragma on (unreferenced)
|
|
|
|
#include <stdio.h>
|
|
#include <dos.h>
|
|
#include <conio.h>
|
|
|
|
#include "coindev.h"
|
|
|
|
int CoinMechPort[3] = { COINMECH1_PORT,
|
|
COINMECH2_PORT,
|
|
COINMECH3_PORT };
|
|
|
|
int CoinMechCtrl[3] = { COINMECH1_CTRLMASK,
|
|
COINMECH2_CTRLMASK,
|
|
COINMECH3_CTRLMASK };
|
|
|
|
unsigned int CoinMechLastCnt[3];
|
|
|
|
|
|
int coindev_init(CoinMechNumber)
|
|
{
|
|
int x;
|
|
|
|
int CoinMechAdj[3] = { COINMECH1_ADJMASK,
|
|
COINMECH2_ADJMASK,
|
|
COINMECH3_ADJMASK };
|
|
|
|
/* set up IO port for our special use */
|
|
outp(COINMECH_CMDPORT, CoinMechCtrl[CoinMechNumber]);
|
|
outp(CoinMechPort[CoinMechNumber], 0);
|
|
outp(CoinMechPort[CoinMechNumber], 0);
|
|
|
|
/* write to the IO board so that the counter eventually gets cleared */
|
|
for( x = 10; x > 0; x-- )
|
|
{
|
|
outp(COINMECH_ADJPORT, CoinMechAdj[CoinMechNumber]);
|
|
outp(COINMECH_ADJPORT, 0);
|
|
if( coindev_read(CoinMechNumber) == 0 )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
CoinMechLastCnt[CoinMechNumber] = 0;
|
|
|
|
return(x); /* TRUE == CoinMech is cleared; FALSE == CoinMech error! */
|
|
}
|
|
|
|
|
|
/* Do a raw read of the specified CoinMech */
|
|
unsigned int coindev_read(CoinMechNumber)
|
|
{
|
|
unsigned int x;
|
|
|
|
/* read lower byte, then upper byte */
|
|
x = (inp(CoinMechPort[CoinMechNumber]));
|
|
x += (inp(CoinMechPort[CoinMechNumber]) * 256);
|
|
|
|
/* conver to usable number */
|
|
if( x )
|
|
{
|
|
x = (65536L - x);
|
|
}
|
|
|
|
return(x);
|
|
}
|
|
|
|
|
|
/* read the specified CoinMech and return the */
|
|
/* ...number of clicks since the last read */
|
|
unsigned int coindev_count(CoinMechNumber)
|
|
{
|
|
unsigned int x, y;
|
|
|
|
x = coindev_read(CoinMechNumber);
|
|
y = x - CoinMechLastCnt[CoinMechNumber];
|
|
|
|
CoinMechLastCnt[CoinMechNumber] = x;
|
|
|
|
return(y);
|
|
}
|
|
|
|
|