// 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