diff options
Diffstat (limited to 'src/devices/bus/jakks_gamekey/rom.h')
-rw-r--r-- | src/devices/bus/jakks_gamekey/rom.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/devices/bus/jakks_gamekey/rom.h b/src/devices/bus/jakks_gamekey/rom.h new file mode 100644 index 00000000000..7f85e9f21fb --- /dev/null +++ b/src/devices/bus/jakks_gamekey/rom.h @@ -0,0 +1,77 @@ +// license:BSD-3-Clause +// copyright-holders:David Haywood +#ifndef MAME_BUS_JAKKS_GAMEKEY_ROM_H +#define MAME_BUS_JAKKS_GAMEKEY_ROM_H + +#pragma once + +#include "slot.h" +#include "machine/i2cmem.h" + +// ======================> jakks_gamekey_rom_plain_device + +class jakks_gamekey_rom_plain_device : public device_t, + public device_jakks_gamekey_interface +{ +public: + // construction/destruction + jakks_gamekey_rom_plain_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // reading and writing + virtual DECLARE_READ16_MEMBER(read_cart) override; + virtual DECLARE_WRITE16_MEMBER(write_cart) override; + + virtual uint8_t read_cart_seeprom(void) override { return 1; }; + virtual DECLARE_WRITE16_MEMBER(write_cart_seeprom) override { }; + + virtual READ16_MEMBER(read_rom); + virtual WRITE16_MEMBER(write_rom); + +protected: + jakks_gamekey_rom_plain_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // device-level overrides + virtual void device_start() override { } + virtual void device_reset() override { } +}; + +// ======================> jakks_gamekey_rom_i2c_base_device + +class jakks_gamekey_rom_i2c_base_device : public jakks_gamekey_rom_plain_device +{ +public: + // construction/destruction + jakks_gamekey_rom_i2c_base_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + jakks_gamekey_rom_i2c_base_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // reading and writing + virtual READ16_MEMBER(read_rom) override; + virtual WRITE16_MEMBER(write_rom) override; + + optional_device<i2cmem_device> m_i2cmem; + + virtual uint8_t read_cart_seeprom(void) override; + virtual DECLARE_WRITE16_MEMBER(write_cart_seeprom) override; +}; + + +// ======================> jakks_gamekey_rom_i2c_24lc04_device + +class jakks_gamekey_rom_i2c_24lc04_device : public jakks_gamekey_rom_i2c_base_device +{ +public: + // construction/destruction + jakks_gamekey_rom_i2c_24lc04_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + virtual void device_add_mconfig(machine_config &config) override; +}; + +// device type definition +DECLARE_DEVICE_TYPE(JAKKS_GAMEKEY_ROM_PLAIN, jakks_gamekey_rom_plain_device) +DECLARE_DEVICE_TYPE(JAKKS_GAMEKEY_ROM_I2C_BASE, jakks_gamekey_rom_i2c_base_device) +DECLARE_DEVICE_TYPE(JAKKS_GAMEKEY_ROM_I2C_24LC04, jakks_gamekey_rom_i2c_24lc04_device) + +#endif // MAME_BUS_JAKKS_GAMEKEY_ROM_H |