diff options
Diffstat (limited to 'src/devices/bus/megadrive/eeprom.h')
-rw-r--r-- | src/devices/bus/megadrive/eeprom.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/devices/bus/megadrive/eeprom.h b/src/devices/bus/megadrive/eeprom.h new file mode 100644 index 00000000000..a7916e628bf --- /dev/null +++ b/src/devices/bus/megadrive/eeprom.h @@ -0,0 +1,143 @@ +// 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 |