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/**********************************************************************
COMX PL-80 plotter emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __COMXPL80__
#define __COMXPL80__
#include "emu.h"
#include "cpu/m6805/m6805.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define COMXPL80_TAG "comxpl80"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_COMXPL80_ADD() \
MCFG_DEVICE_ADD(COMXPL80_TAG, COMXPL80, 0)
#define COMXPL80_INTERFACE(_name) \
const comxpl80_interface (_name) =
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> comxpl80_interface
struct comxpl80_interface
{
devcb_write_line m_out_txd_cb;
devcb_write_line m_out_clock_cb;
devcb_write_line m_out_keydown_cb;
};
// ======================> comxpl80_device
class comxpl80_device : public device_t,
public comxpl80_interface
{
public:
// construction/destruction
comxpl80_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;
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();
virtual void device_config_complete();
private:
// printer state
UINT8 m_centronics_data; // centronics data
// 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 COMXPL80;
#endif
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