diff options
Diffstat (limited to 'src/emu/bus/odyssey2/rom.h')
-rw-r--r-- | src/emu/bus/odyssey2/rom.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/emu/bus/odyssey2/rom.h b/src/emu/bus/odyssey2/rom.h new file mode 100644 index 00000000000..174e6dece30 --- /dev/null +++ b/src/emu/bus/odyssey2/rom.h @@ -0,0 +1,65 @@ +#ifndef __O2_ROM_H +#define __O2_ROM_H + +#include "slot.h" + + +// ======================> o2_rom_device + +class o2_rom_device : public device_t, + public device_o2_cart_interface +{ +public: + // construction/destruction + o2_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); + o2_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_rom04); + virtual DECLARE_READ8_MEMBER(read_rom0c); + + virtual void write_bank(int bank); + +protected: + int m_bank_base; +}; + +// ======================> o2_rom12_device + +class o2_rom12_device : public o2_rom_device +{ +public: + // construction/destruction + o2_rom12_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_rom04); + virtual DECLARE_READ8_MEMBER(read_rom0c); +}; + +// ======================> o2_rom16_device + +class o2_rom16_device : public o2_rom_device +{ +public: + // construction/destruction + o2_rom16_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_rom04); + virtual DECLARE_READ8_MEMBER(read_rom0c); +}; + + + +// device type definition +extern const device_type O2_ROM_STD; +extern const device_type O2_ROM_12K; +extern const device_type O2_ROM_16K; + + +#endif |