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// license:BSD-3-Clause
// copyright-holders:James Wallace
///////////////////////////////////////////////////////////////////////////
// //
// Electro mechanical meters //
// //
// //
///////////////////////////////////////////////////////////////////////////
#include "emu.h"
#include "meters.h"
// local vars /////////////////////////////////////////////////////////////
static struct
{
long on, // Activity of reel
reacttime,
count; // mechmeter value
int state; // state 0/1
emu_timer *meter_timer;
} meter_info[MAXMECHMETERS];
static int number_mtr;
///////////////////////////////////////////////////////////////////////////
static TIMER_CALLBACK( meter_callback )
{
meter_info[param].count++;
}
void MechMtr_config(running_machine &machine, int number)
{
int i;
if ( number > MAXMECHMETERS ) number = MAXMECHMETERS;
for ( i = 0; i < number; i++ )
{
meter_info[i].reacttime = METERREACTTIME;
meter_info[i].state = 0;
meter_info[i].count = 0;
meter_info[i].on = 0;
meter_info[i].meter_timer = machine.scheduler().timer_alloc(FUNC(meter_callback), (void*)(FPTR)i);
meter_info[i].meter_timer->reset();
}
number_mtr = number;
}
///////////////////////////////////////////////////////////////////////////
int MechMtr_GetNumberMeters(void)
{
return number_mtr;
}
///////////////////////////////////////////////////////////////////////////
void MechMtr_Setcount(int id, long count)
{
if ( id >= number_mtr ) return;
meter_info[id].count = count;
}
///////////////////////////////////////////////////////////////////////////
long MechMtr_Getcount(int id)
{
long result = 0;
if ( id < number_mtr ) result = meter_info[id].count;
return result;
}
///////////////////////////////////////////////////////////////////////////
void MechMtr_ReactTime(int id, long cycles)
{
if ( id >= number_mtr ) return;
meter_info[id].reacttime = cycles;
}
///////////////////////////////////////////////////////////////////////////
int MechMtr_GetActivity(int id)
{
return meter_info[id].on;
}
///////////////////////////////////////////////////////////////////////////
int MechMtr_update(int id, int state)
{
int res = 0;
if ( id >= number_mtr ) return res;
state = state?1:0;
if ( meter_info[id].state != state )
{ // meter state is changing
meter_info[id].state = state;
if ( state )
{
meter_info[id].on =1;
meter_info[id].meter_timer->adjust(attotime::from_seconds(meter_info[id].reacttime), id);
}
else
{
meter_info[id].on =0;
meter_info[id].meter_timer->adjust(attotime::never, id);
}
}
return meter_info[id].on;
}
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