// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************* a2echoii.h Implementation of the Street Electronics Echo II speech card *********************************************************************/ #ifndef MAME_BUS_A2BUS_A2ECHOII_H #define MAME_BUS_A2BUS_A2ECHOII_H #pragma once #include "a2bus.h" #include "sound/tms5220.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class a2bus_echoii_device: public device_t, public device_a2bus_card_interface { public: // construction/destruction a2bus_echoii_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); required_device m_tms; protected: a2bus_echoii_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; // overrides of standard a2bus slot functions virtual uint8_t read_c0nx(uint8_t offset) override; virtual void write_c0nx(uint8_t offset, uint8_t data) override; virtual bool take_c800() override; private: //DECLARE_WRITE_LINE_MEMBER(tms_irq_callback); DECLARE_WRITE_LINE_MEMBER(tms_readyq_callback); uint8_t m_writelatch_data; // 74ls373 latch bool m_readlatch_flag; // 74c74 1st half bool m_writelatch_flag; // 74c74 2nd half }; // device type definition DECLARE_DEVICE_TYPE(A2BUS_ECHOII, a2bus_echoii_device) #endif // MAME_BUS_A2BUS_A2ECHOII_H