diff options
Diffstat (limited to 'src/devices/bus/vc4000/rom.h')
-rw-r--r-- | src/devices/bus/vc4000/rom.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/devices/bus/vc4000/rom.h b/src/devices/bus/vc4000/rom.h new file mode 100644 index 00000000000..ae4502f57a2 --- /dev/null +++ b/src/devices/bus/vc4000/rom.h @@ -0,0 +1,74 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __VC4000_ROM_H +#define __VC4000_ROM_H + +#include "slot.h" + + +// ======================> vc4000_rom_device + +class vc4000_rom_device : public device_t, + public device_vc4000_cart_interface +{ +public: + // construction/destruction + vc4000_rom_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); + vc4000_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start() {} + virtual void device_reset() {} + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_rom); +}; + +// ======================> vc4000_rom4k_device + +class vc4000_rom4k_device : public vc4000_rom_device +{ +public: + // construction/destruction + vc4000_rom4k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); +}; + +// ======================> vc4000_ram1k_device + +class vc4000_ram1k_device : public vc4000_rom_device +{ +public: + // construction/destruction + vc4000_ram1k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_ram); + virtual DECLARE_WRITE8_MEMBER(write_ram); +}; + +// ======================> vc4000_chess2_device + +class vc4000_chess2_device : public vc4000_rom_device +{ +public: + // construction/destruction + vc4000_chess2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ8_MEMBER(extra_rom); + virtual DECLARE_READ8_MEMBER(read_ram); + virtual DECLARE_WRITE8_MEMBER(write_ram); +}; + + + + + +// device type definition +extern const device_type VC4000_ROM_STD; +extern const device_type VC4000_ROM_ROM4K; +extern const device_type VC4000_ROM_RAM1K; +extern const device_type VC4000_ROM_CHESS2; + + +#endif |