// license: BSD-3-Clause // copyright-holders: Dirk Best /*************************************************************************** Sega 315-5338A I/O Controller Custom 100-pin QFP LSI. Supports 7 8-bit input/output ports and can directly interact with dual port RAM. Also supports a master/slave configuration where one controller acts as master and sends commands and data over a serial link to another controller. TODO: - Serial - Slave mode - and probably lots more ***************************************************************************/ #ifndef MAME_MACHINE_315_5338A_H #define MAME_MACHINE_315_5338A_H #pragma once //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class sega_315_5338a_device : public device_t { public: // construction/destruction sega_315_5338a_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // configuration auto read_callback() { return m_read_cb.bind(); } auto write_callback() { return m_write_cb.bind(); } auto in_pa_callback() { return m_in_port_cb[0].bind(); } auto in_pb_callback() { return m_in_port_cb[1].bind(); } auto in_pc_callback() { return m_in_port_cb[2].bind(); } auto in_pd_callback() { return m_in_port_cb[3].bind(); } auto in_pe_callback() { return m_in_port_cb[4].bind(); } auto in_pf_callback() { return m_in_port_cb[5].bind(); } auto in_pg_callback() { return m_in_port_cb[6].bind(); } auto out_pa_callback() { return m_out_port_cb[0].bind(); } auto out_pb_callback() { return m_out_port_cb[1].bind(); } auto out_pc_callback() { return m_out_port_cb[2].bind(); } auto out_pd_callback() { return m_out_port_cb[3].bind(); } auto out_pe_callback() { return m_out_port_cb[4].bind(); } auto out_pf_callback() { return m_out_port_cb[5].bind(); } auto out_pg_callback() { return m_out_port_cb[6].bind(); } DECLARE_READ8_MEMBER(read); DECLARE_WRITE8_MEMBER(write); protected: // device-level overrides virtual void device_start() override; private: // callbacks devcb_read8 m_read_cb; devcb_write8 m_write_cb; devcb_read8 m_in_port_cb[7]; devcb_write8 m_out_port_cb[7]; uint8_t m_port_value[7]; uint8_t m_port_config; uint8_t m_serial_output; uint16_t m_address; }; // device type definition DECLARE_DEVICE_TYPE(SEGA_315_5338A, sega_315_5338a_device) #endif // MAME_MACHINE_315_5338A_H