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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
#ifndef __SNS_ROM21_H
#define __SNS_ROM21_H
#include "snes_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_t clock, const char *shortname, const char *source);
sns_rom21_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// reading and writing
virtual DECLARE_READ8_MEMBER(read_l) override;
virtual DECLARE_READ8_MEMBER(read_h) override;
};
// ======================> 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_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// reading and writing
virtual DECLARE_READ8_MEMBER(chip_read) override;
virtual DECLARE_WRITE8_MEMBER(chip_write) override;
// S-RTC specific variables
enum
{
RTCM_Ready = 0,
RTCM_Command,
RTCM_Read,
RTCM_Write
};
void update_time();
uint8_t srtc_weekday(uint32_t year, uint32_t month, uint32_t day);
//this is now allocated in the main snes cart class, to allow saving to nvram
//uint8_t m_rtc_ram[13];
int32_t m_mode;
int8_t m_index;
};
// device type definition
extern const device_type SNS_HIROM;
extern const device_type SNS_HIROM_SRTC;
#endif
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