// license:??? // copyright-holders:??? /********************************************************************* corvfdc01.h Implemention of the Corvus Systems CORVUS01 floppy controller *********************************************************************/ #ifndef __A2BUS_CORVFDC01__ #define __A2BUS_CORVFDC01__ #include "emu.h" #include "a2bus.h" #include "machine/wd_fdc.h" #include "formats/imd_dsk.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class a2bus_corvfdc01_device: public device_t, public device_a2bus_card_interface { public: // construction/destruction a2bus_corvfdc01_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); a2bus_corvfdc01_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual machine_config_constructor device_mconfig_additions() const; virtual const rom_entry *device_rom_region() const; DECLARE_WRITE_LINE_MEMBER(intrq_w); DECLARE_WRITE_LINE_MEMBER(drq_w); DECLARE_FLOPPY_FORMATS(corv_floppy_formats); protected: virtual void device_start(); virtual void device_reset(); // overrides of standard a2bus slot functions virtual UINT8 read_c0nx(address_space &space, UINT8 offset); virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data); virtual UINT8 read_cnxx(address_space &space, UINT8 offset); required_device m_wdfdc; required_device m_con1; required_device m_con2; required_device m_con3; required_device m_con4; private: UINT8 *m_rom; UINT8 m_fdc_local_status, m_fdc_local_command; floppy_image_device *m_curfloppy; }; // device type definition extern const device_type A2BUS_CORVFDC01; #endif /* __A2BUS_CORVFDC01__ */