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Diffstat (limited to 'src/devices/bus/megadrive/ggenie.h')
-rw-r--r-- | src/devices/bus/megadrive/ggenie.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/devices/bus/megadrive/ggenie.h b/src/devices/bus/megadrive/ggenie.h new file mode 100644 index 00000000000..010ace73441 --- /dev/null +++ b/src/devices/bus/megadrive/ggenie.h @@ -0,0 +1,40 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __MD_GGENIE_H +#define __MD_GGENIE_H + +#include "md_slot.h" + + +// ======================> md_rom_ggenie_device + +class md_rom_ggenie_device : public device_t, + public device_md_cart_interface +{ +public: + // construction/destruction + md_rom_ggenie_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); + +private: + required_device<md_cart_slot_device> m_exp; + UINT16 m_gg_regs[0x20]; + int m_gg_bypass; + int m_reg_enable; + UINT16 m_gg_addr[6]; + UINT16 m_gg_data[6]; +}; + + +// device type definition +extern const device_type MD_ROM_GAMEGENIE; + +#endif |