// license:LGPL-2.1+ // copyright-holders:Angelo Salese /*************************************************************************** Acorn Archimedes KART interface ***************************************************************************/ #pragma once #ifndef __AAKARTDEV_H__ #define __AAKARTDEV_H__ //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_AAKART_OUT_TX_CB(_devcb) \ devcb = &aakart_device::set_out_tx_callback(*device, DEVCB_##_devcb); #define MCFG_AAKART_OUT_RX_CB(_devcb) \ devcb = &aakart_device::set_out_rx_callback(*device, DEVCB_##_devcb); enum{ STATUS_NORMAL = 0, STATUS_KEYUP, STATUS_KEYDOWN, STATUS_MOUSE, STATUS_HRST, STATUS_UNDEFINED }; //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> aakart_device class aakart_device : public device_t { public: // construction/destruction aakart_device(const machine_config &mconfig, std::string tag, device_t *owner, UINT32 clock); template static devcb_base &set_out_tx_callback(device_t &device, _Object object) { return downcast(device).m_out_tx_cb.set_callback(object); } template static devcb_base &set_out_rx_callback(device_t &device, _Object object) { return downcast(device).m_out_rx_cb.set_callback(object); } // I/O operations DECLARE_WRITE8_MEMBER( write ); DECLARE_READ8_MEMBER( read ); void send_keycode_down(UINT8 row, UINT8 col); void send_keycode_up(UINT8 row, UINT8 col); protected: // device-level overrides virtual void device_validity_check(validity_checker &valid) const override; virtual void device_start() override; virtual void device_reset() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; private: static const device_timer_id RX_TIMER = 1; static const device_timer_id TX_TIMER = 2; static const device_timer_id MOUSE_TIMER = 3; static const device_timer_id KEYB_TIMER = 4; emu_timer * m_rxtimer; emu_timer * m_txtimer; emu_timer * m_mousetimer; emu_timer * m_keybtimer; devcb_write_line m_out_tx_cb; devcb_write_line m_out_rx_cb; UINT8 m_tx_latch; //UINT8 m_rx_latch; UINT8 m_rx; UINT8 m_new_command; UINT8 m_status; UINT8 m_mouse_enable; UINT8 m_keyb_enable; UINT8 m_keyb_row; UINT8 m_keyb_col; UINT8 m_keyb_state; }; // device type definition extern const device_type AAKART; //************************************************************************** // GLOBAL VARIABLES //************************************************************************** #endif