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/***************************************************************************
Acorn Archimedes KART interface
***************************************************************************/
#pragma once
#ifndef __AAKARTDEV_H__
#define __AAKARTDEV_H__
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_AAKART_ADD(_tag, _freq, _config) \
MCFG_DEVICE_ADD(_tag, AAKART, _freq) \
MCFG_DEVICE_CONFIG(_config)
#define AAKART_INTERFACE(name) \
const aakart_interface (name) =
struct aakart_interface
{
devcb_write_line m_out_tx_cb;
devcb_write_line m_out_rx_cb;
};
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 aakart_interface
{
public:
// construction/destruction
aakart_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// I/O operations
DECLARE_WRITE8_MEMBER( write );
DECLARE_READ8_MEMBER( read );
protected:
// device-level overrides
virtual void device_validity_check(validity_checker &valid) const;
virtual void device_start();
virtual void device_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
virtual void device_config_complete();
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_resolved_write_line m_out_tx_func;
devcb_resolved_write_line m_out_rx_func;
int m_tx_latch, m_rx_latch;
int m_rx;
int m_new_command;
int m_status;
int m_mouse_enable;
int m_keyb_enable;
};
// device type definition
extern const device_type AAKART;
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
#endif
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