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/**********************************************************************
COMX PL-80 plotter emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __COMX_PL80__
#define __COMX_PL80__
#include "emu.h"
#include "cpu/m6805/m6805.h"
#include "machine/ctronics.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> comx_pl80_device
class comx_pl80_device : public device_t,
public device_centronics_peripheral_interface
{
public:
// construction/destruction
comx_pl80_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// optional information overrides
virtual const rom_entry *device_rom_region() const;
virtual machine_config_constructor device_mconfig_additions() const;
virtual ioport_constructor device_input_ports() const;
// not really public
DECLARE_WRITE8_MEMBER( pa_w );
DECLARE_WRITE8_MEMBER( pb_w );
DECLARE_WRITE8_MEMBER( pc_w );
DECLARE_READ8_MEMBER( pd_r );
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
private:
required_memory_region m_plotter;
required_ioport m_font;
required_ioport m_sw;
// PL-80 plotter state
UINT16 m_font_addr; // font ROM pack address latch
UINT8 m_x_motor_phase; // X motor phase
UINT8 m_y_motor_phase; // Y motor phase
UINT8 m_z_motor_phase; // Z motor phase
UINT8 m_plotter_data; // plotter data bus
int m_plotter_ack; // plotter acknowledge
int m_plotter_online; // online LED
};
// device type definition
extern const device_type COMX_PL80;
#endif
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