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// license:BSD-3-Clause
// copyright-holders:AJR
/**********************************************************************
TE7750 Super I/O Expander
**********************************************************************/
#ifndef MAME_MACHINE_TE7750_H
#define MAME_MACHINE_TE7750_H
#pragma once
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> te7750_device
class te7750_device : public device_t
{
public:
// construction/destruction
te7750_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
// configuration
auto in_port1_cb() { return m_input_cb[0].bind(); }
auto in_port2_cb() { return m_input_cb[1].bind(); }
auto in_port3_cb() { return m_input_cb[2].bind(); }
auto in_port4_cb() { return m_input_cb[3].bind(); }
auto in_port5_cb() { return m_input_cb[4].bind(); }
auto in_port6_cb() { return m_input_cb[5].bind(); }
auto in_port7_cb() { return m_input_cb[6].bind(); }
auto in_port8_cb() { return m_input_cb[7].bind(); }
auto in_port9_cb() { return m_input_cb[8].bind(); }
auto out_port1_cb() { return m_output_cb[0].bind(); }
auto out_port2_cb() { return m_output_cb[1].bind(); }
auto out_port3_cb() { return m_output_cb[2].bind(); }
auto out_port4_cb() { return m_output_cb[3].bind(); }
auto out_port5_cb() { return m_output_cb[4].bind(); }
auto out_port6_cb() { return m_output_cb[5].bind(); }
auto out_port7_cb() { return m_output_cb[6].bind(); }
auto out_port8_cb() { return m_output_cb[7].bind(); }
auto out_port9_cb() { return m_output_cb[8].bind(); }
auto ios_cb() { return m_ios_cb.bind(); }
// bus-compatible interface
u8 read(offs_t offset);
void write(offs_t offset, u8 data);
protected:
te7750_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
private:
// internal helpers
void set_port_dir(int port, u8 dir);
void set_ios();
// input/output callbacks
devcb_read8::array<9> m_input_cb;
devcb_write8::array<9> m_output_cb;
// mode callback
devcb_read8 m_ios_cb;
// internal state
u8 m_data_latch[9];
u8 m_data_dir[9];
};
// ======================> te7751_device
class te7751_device : public te7750_device
{
public:
te7751_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
};
// ======================> te7752_device
class te7752_device : public te7750_device
{
public:
te7752_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL());
};
// device type definitions
DECLARE_DEVICE_TYPE(TE7750, te7750_device)
DECLARE_DEVICE_TYPE(TE7751, te7751_device)
DECLARE_DEVICE_TYPE(TE7752, te7752_device)
#endif // MAME_MACHINE_TE7750_H
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