diff options
Diffstat (limited to 'src/devices/bus/a2bus/a2vulcan.h')
-rw-r--r-- | src/devices/bus/a2bus/a2vulcan.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2vulcan.h b/src/devices/bus/a2bus/a2vulcan.h new file mode 100644 index 00000000000..bcd9f6fa3b6 --- /dev/null +++ b/src/devices/bus/a2bus/a2vulcan.h @@ -0,0 +1,80 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/********************************************************************* + + a2vulcan.h + + Applied Engineering Vulcan and Vulcan Gold IDE controllers + +*********************************************************************/ + +#ifndef __A2BUS_VULCAN__ +#define __A2BUS_VULCAN__ + +#include "emu.h" +#include "a2bus.h" +#include "machine/ataintf.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2bus_vulcanbase_device: + public device_t, + public device_a2bus_card_interface +{ +public: + // construction/destruction + a2bus_vulcanbase_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); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + +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); + virtual UINT8 read_c800(address_space &space, UINT16 offset); + virtual void write_c800(address_space &space, UINT16 offset, UINT8 data); + + required_device<ata_interface_device> m_ata; + + UINT8 *m_rom; + UINT8 m_ram[8*1024]; + +private: + UINT16 m_lastdata; + int m_rombank, m_rambank; + bool m_last_read_was_0; +}; + +class a2bus_vulcan_device : public a2bus_vulcanbase_device +{ +public: + a2bus_vulcan_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual const rom_entry *device_rom_region() const; + +protected: + virtual void device_start(); + +protected: +}; + +class a2bus_vulcangold_device : public a2bus_vulcanbase_device +{ +public: + a2bus_vulcangold_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual const rom_entry *device_rom_region() const; + +protected: +}; + +// device type definition +extern const device_type A2BUS_VULCAN; +extern const device_type A2BUS_VULCANGOLD; + +#endif /* __A2BUS_VULCAN__ */ |