// license:BSD-3-Clause // copyright-holders:R. Belmont #ifndef MAME_MACHINE_EGRET_H #define MAME_MACHINE_EGRET_H #pragma once //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define EGRET_TAG "egret" #define EGRET_341S0851 0x1100 #define EGRET_341S0850 0x2200 #define EGRET_344S0100 0x3300 //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_EGRET_ADD(_type) \ MCFG_DEVICE_ADD(EGRET_TAG, EGRET, 0) \ MCFG_EGRET_TYPE(_type) #define MCFG_EGRET_REPLACE(_type) \ MCFG_DEVICE_REPLACE(EGRET_TAG, EGRET, 0) \ MCFG_EGRET_TYPE(_type) #define MCFG_EGRET_TYPE(_type) \ downcast(*device).set_type(_type); #define MCFG_EGRET_REMOVE() \ MCFG_DEVICE_REMOVE(EGRET_TAG) #define MCFG_EGRET_RESET_CALLBACK(_cb) \ devcb = &downcast(*device).set_reset_cb(DEVCB_##_cb); #define MCFG_EGRET_LINECHANGE_CALLBACK(_cb) \ devcb = &downcast(*device).set_linechange_cb(DEVCB_##_cb); #define MCFG_EGRET_VIA_CLOCK_CALLBACK(_cb) \ devcb = &downcast(*device).set_via_clock_cb(DEVCB_##_cb); #define MCFG_EGRET_VIA_DATA_CALLBACK(_cb) \ devcb = &downcast(*device).set_via_data_cb(DEVCB_##_cb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> egret_device class egret_device : public device_t, public device_nvram_interface { public: // construction/destruction egret_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // inline configuration helpers void set_type(int type) { rom_offset = type; } // device_config_nvram_interface overrides virtual void nvram_default() override; virtual void nvram_read(emu_file &file) override; virtual void nvram_write(emu_file &file) override; DECLARE_READ8_MEMBER( ddr_r ); DECLARE_WRITE8_MEMBER( ddr_w ); DECLARE_READ8_MEMBER( ports_r ); DECLARE_WRITE8_MEMBER( ports_w ); DECLARE_READ8_MEMBER( pll_r ); DECLARE_WRITE8_MEMBER( pll_w ); DECLARE_READ8_MEMBER( timer_ctrl_r ); DECLARE_WRITE8_MEMBER( timer_ctrl_w ); DECLARE_READ8_MEMBER( timer_counter_r ); DECLARE_WRITE8_MEMBER( timer_counter_w ); DECLARE_READ8_MEMBER( onesec_r ); DECLARE_WRITE8_MEMBER( onesec_w ); DECLARE_READ8_MEMBER( pram_r ); DECLARE_WRITE8_MEMBER( pram_w ); // interface routines uint8_t get_xcvr_session() { return xcvr_session; } void set_via_full(uint8_t val) { via_full = val; } void set_sys_session(uint8_t val) { sys_session = val; } uint8_t get_via_data() { return via_data; } void set_via_data(uint8_t dat) { via_data = dat; } uint8_t get_via_clock() { return via_clock; } void set_adb_line(int linestate) { adb_in = (linestate == ASSERT_LINE) ? true : false; } int get_adb_dtime() { return m_adb_dtime; } int rom_offset; template devcb_base &set_reset_cb(Object &&wr) { return write_reset.set_callback(std::forward(wr)); } template devcb_base &set_linechange_cb(Object &&wr) { return write_linechange.set_callback(std::forward(wr)); } template devcb_base &set_via_clock_cb(Object &&wr) { return write_via_clock.set_callback(std::forward(wr)); } template devcb_base &set_via_data_cb(Object &&wr) { return write_via_data.set_callback(std::forward(wr)); } devcb_write_line write_reset, write_linechange, write_via_clock, write_via_data; void egret_map(address_map &map); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config &config) override; virtual const tiny_rom_entry *device_rom_region() const override; required_device m_maincpu; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; private: uint8_t ddrs[3]; uint8_t ports[3]; uint8_t pll_ctrl; uint8_t timer_ctrl; uint8_t timer_counter; uint8_t onesec; uint8_t xcvr_session, via_full, sys_session, via_data, via_clock, last_adb; uint64_t last_adb_time; bool egret_controls_power; bool adb_in; int reset_line; int m_adb_dtime; emu_timer *m_timer; uint8_t pram[0x100], disk_pram[0x100]; bool pram_loaded; void send_port(address_space &space, uint8_t offset, uint8_t data); }; // device type definition DECLARE_DEVICE_TYPE(EGRET, egret_device) #endif // MAME_MACHINE_EGRET_H