// license:BSD-3-Clause // copyright-holders:Aaron Giles /*************************************************************************** ticket.c Generic ticket dispensing device. ***************************************************************************/ #include "emu.h" #include "machine/ticket.h" //************************************************************************** // DEBUGGING //************************************************************************** #define DEBUG_TICKET 0 #define LOG(x) do { if (DEBUG_TICKET) logerror x; } while (0) //************************************************************************** // GLOBAL VARIABLES //************************************************************************** // device type definition DEFINE_DEVICE_TYPE(TICKET_DISPENSER, ticket_dispenser_device, "ticket_dispenser", "Ticket Dispenser") //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // ticket_dispenser_device - constructor //------------------------------------------------- ticket_dispenser_device::ticket_dispenser_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, TICKET_DISPENSER, tag, owner, clock), m_motor_sense(TICKET_MOTOR_ACTIVE_LOW), m_status_sense(TICKET_STATUS_ACTIVE_LOW), m_period(attotime::from_msec(100)), m_hopper_type(false), m_motoron(0), m_ticketdispensed(0), m_ticketnotdispensed(0), m_status(0), m_power(0), m_timer(nullptr), m_output(*this, "led2") // TODO: probably shouldn't be hardcoded { } //------------------------------------------------- // ~ticket_dispenser_device - destructor //------------------------------------------------- ticket_dispenser_device::~ticket_dispenser_device() { } //************************************************************************** // READ/WRITE HANDLERS //************************************************************************** //------------------------------------------------- // line_r - read the status line //------------------------------------------------- READ_LINE_MEMBER( ticket_dispenser_device::line_r ) { return m_status ? 1 : 0; } //------------------------------------------------- // motor_w - write the control line //------------------------------------------------- WRITE_LINE_MEMBER( ticket_dispenser_device::motor_w ) { // On an activate signal, start dispensing! if (bool(state) == m_motoron) { if (!m_power) { LOG(("%s: Ticket Power On\n", machine().describe_context())); m_timer->adjust(m_period); m_power = true; m_status = m_ticketnotdispensed; } } else { if (m_power) { if (m_hopper_type == false || m_status == m_ticketnotdispensed) { LOG(("%s: Ticket Power Off\n", machine().describe_context())); m_timer->adjust(attotime::never); m_output = 0; } m_power = false; } } } //************************************************************************** // DEVICE INTERFACE //************************************************************************** //------------------------------------------------- // device_start - handle device startup //------------------------------------------------- void ticket_dispenser_device::device_start() { m_motoron = (m_motor_sense == TICKET_MOTOR_ACTIVE_HIGH); m_ticketdispensed = (m_status_sense == TICKET_STATUS_ACTIVE_HIGH); m_ticketnotdispensed = !m_ticketdispensed; m_timer = timer_alloc(); m_output.resolve(); save_item(NAME(m_status)); save_item(NAME(m_power)); } //------------------------------------------------- // device_reset - handle device startup //------------------------------------------------- void ticket_dispenser_device::device_reset() { m_status = m_ticketnotdispensed; m_power = false; } //------------------------------------------------- // device_timer - handle timer callbacks //------------------------------------------------- void ticket_dispenser_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) { // if we still have power, keep toggling ticket states if (m_power) { m_status = !m_status; LOG(("Ticket Status Changed to %02X\n", m_status)); m_timer->adjust(m_period); } else if (m_hopper_type) { m_status = !m_status; LOG(("%s: Ticket Power Off\n", machine().describe_context())); m_timer->adjust(attotime::never); m_output = 0; } // update output status m_output = m_status == m_ticketdispensed; // if we just dispensed, increment global count if (m_status == m_ticketdispensed) { machine().bookkeeping().increment_dispensed_tickets(1); LOG(("Ticket Dispensed\n")); } }