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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore VIC-1520 Plotter emulation
**********************************************************************/
#ifndef MAME_BUS_CBMIEC_VIC1520_H
#define MAME_BUS_CBMIEC_VIC1520_H
#pragma once
#include "cbmiec.h"
#include "cpu/m6502/m6500_1.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> vic1520_device
class vic1520_device : public device_t, public device_cbm_iec_interface
{
public:
// construction/destruction
vic1520_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
// device-level overrides
virtual void device_start() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
// device_cbm_iec_interface overrides
void cbm_iec_atn(int state) override;
void cbm_iec_clk(int state) override;
void cbm_iec_data(int state) override;
void cbm_iec_reset(int state) override;
private:
void port_w(u8 data);
u8 select_r();
void led_w(u8 data);
void pen_w(u8 data);
void motor_w(u8 data);
required_device<m6500_1_device> m_mcu;
u8 m_pa_data;
};
// device type definition
DECLARE_DEVICE_TYPE(VIC1520, vic1520_device)
#endif // MAME_BUS_CBMIEC_VIC1520_H
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