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// 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<class _Object> static devcb_base &set_out_tx_callback(device_t &device, _Object object) { return downcast<aakart_device &>(device).m_out_tx_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_rx_callback(device_t &device, _Object object) { return downcast<aakart_device &>(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
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