mame/src/mess/machine/sns_rom21.h
2013-03-10 09:43:17 +00:00

68 lines
1.7 KiB
C++

#ifndef __SNS_ROM21_H
#define __SNS_ROM21_H
#include "machine/sns_slot.h"
// ======================> sns_rom21_device
class sns_rom21_device : public device_t,
public device_sns_cart_interface
{
public:
// construction/destruction
sns_rom21_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
sns_rom21_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete() { m_shortname = "sns_rom21"; }
// reading and writing
virtual DECLARE_READ8_MEMBER(read_l);
virtual DECLARE_READ8_MEMBER(read_h);
};
// ======================> sns_rom21_srtc_device
class sns_rom21_srtc_device : public sns_rom21_device
{
public:
// construction/destruction
sns_rom21_srtc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete() { m_shortname = "sns_rom21_srtc"; }
// reading and writing
virtual DECLARE_READ8_MEMBER(chip_read);
virtual DECLARE_WRITE8_MEMBER(chip_write);
// S-RTC specific variables
enum
{
RTCM_Ready = 0,
RTCM_Command,
RTCM_Read,
RTCM_Write
};
void update_time();
UINT8 srtc_weekday(UINT32 year, UINT32 month, UINT32 day);
//this is now allocated in the main snes cart class, to allow saving to nvram
//UINT8 m_rtc_ram[13];
INT32 m_mode;
INT8 m_index;
};
// device type definition
extern const device_type SNS_HIROM;
extern const device_type SNS_HIROM_SRTC;
#endif