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-rw-r--r--src/devices/bus/megadrive/eeprom.h143
1 files changed, 143 insertions, 0 deletions
diff --git a/src/devices/bus/megadrive/eeprom.h b/src/devices/bus/megadrive/eeprom.h
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+++ b/src/devices/bus/megadrive/eeprom.h
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+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+#ifndef __MD_EEPROM_H
+#define __MD_EEPROM_H
+
+#include "md_slot.h"
+#include "machine/i2cmem.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> md_std_eeprom_device
+
+class md_std_eeprom_device : public device_t,
+ public device_md_cart_interface
+{
+public:
+ // construction/destruction
+ md_std_eeprom_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);
+ md_std_eeprom_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 machine_config_constructor device_mconfig_additions() const;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read);
+ virtual DECLARE_WRITE16_MEMBER(write);
+
+ required_device<i2cmem_device> m_i2cmem;
+ UINT8 m_i2c_mem, m_i2c_clk;
+};
+
+// ======================> md_eeprom_nbajam_device
+
+class md_eeprom_nbajam_device : public md_std_eeprom_device
+{
+public:
+ // construction/destruction
+ md_eeprom_nbajam_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read);
+ virtual DECLARE_WRITE16_MEMBER(write);
+};
+
+// ======================> md_eeprom_nbajamte_device
+
+class md_eeprom_nbajamte_device : public md_std_eeprom_device
+{
+public:
+ // construction/destruction
+ md_eeprom_nbajamte_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read);
+ virtual DECLARE_WRITE16_MEMBER(write);
+};
+
+// ======================> md_eeprom_cslam_device (same read/write as nbajamte, but different I2C type)
+
+class md_eeprom_cslam_device : public md_std_eeprom_device
+{
+public:
+ // construction/destruction
+ md_eeprom_cslam_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read);
+ virtual DECLARE_WRITE16_MEMBER(write);
+};
+
+// ======================> md_eeprom_nflqb_device (same read/write as nbajamte, but different I2C type)
+
+class md_eeprom_nflqb_device : public md_std_eeprom_device
+{
+public:
+ // construction/destruction
+ md_eeprom_nflqb_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read);
+ virtual DECLARE_WRITE16_MEMBER(write);
+};
+
+// ======================> md_eeprom_nhlpa_device
+
+class md_eeprom_nhlpa_device : public md_std_eeprom_device
+{
+public:
+ // construction/destruction
+ md_eeprom_nhlpa_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read);
+ virtual DECLARE_WRITE16_MEMBER(write);
+};
+
+// ======================> md_eeprom_blara_device (same read/write as codemast, but different I2C type)
+
+class md_eeprom_blara_device : public md_std_eeprom_device
+{
+public:
+ // construction/destruction
+ md_eeprom_blara_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // reading and writing
+ virtual DECLARE_READ16_MEMBER(read);
+ virtual DECLARE_WRITE16_MEMBER(write);
+};
+
+
+// device type definition
+extern const device_type MD_STD_EEPROM;
+extern const device_type MD_EEPROM_NBAJAM;
+extern const device_type MD_EEPROM_NBAJAMTE;
+extern const device_type MD_EEPROM_CSLAM;
+extern const device_type MD_EEPROM_NFLQB;
+extern const device_type MD_EEPROM_NHLPA;
+extern const device_type MD_EEPROM_BLARA;
+
+#endif