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// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef MAME_MACHINE_VT1682_IO_H
#define MAME_MACHINE_VT1682_IO_H
#pragma once
DECLARE_DEVICE_TYPE(VT_VT1682_IO, vrt_vt1682_io_device)
class vrt_vt1682_io_device : public device_t
{
public:
// construction/destruction
vrt_vt1682_io_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
auto porta_out() { return m_porta_out.bind(); }
auto portb_out() { return m_portb_out.bind(); }
auto portc_out() { return m_portc_out.bind(); }
auto portd_out() { return m_portd_out.bind(); }
auto porta_in() { return m_porta_in.bind(); }
auto portb_in() { return m_portb_in.bind(); }
auto portc_in() { return m_portc_in.bind(); }
auto portd_in() { return m_portd_in.bind(); }
uint8_t vt1682_210e_io_ab_r();
uint8_t vt1682_210f_io_cd_r();
void vt1682_210e_io_ab_w(uint8_t data);
void vt1682_210f_io_cd_w(uint8_t data);
uint8_t vt1682_210d_ioconfig_r();
void vt1682_210d_ioconfig_w(uint8_t data);
protected:
virtual void device_start() override;
virtual void device_reset() override;
private:
uint8_t m_210d_ioconfig;
// actually 4-bit ports
devcb_write8 m_porta_out;
devcb_write8 m_portb_out;
devcb_write8 m_portc_out;
devcb_write8 m_portd_out;
devcb_read8 m_porta_in;
devcb_read8 m_portb_in;
devcb_read8 m_portc_in;
devcb_read8 m_portd_in;
};
#endif // MAME_MACHINE_VT1682_IO_H
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