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-rw-r--r--src/devices/bus/snes/rom21.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/devices/bus/snes/rom21.h b/src/devices/bus/snes/rom21.h
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+++ b/src/devices/bus/snes/rom21.h
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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 clock, const char *shortname, const char *source);
+ 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();
+
+ // 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();
+
+ // 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