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Diffstat (limited to 'src/devices/bus/astrocde/rom.h')
-rw-r--r-- | src/devices/bus/astrocde/rom.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/devices/bus/astrocde/rom.h b/src/devices/bus/astrocde/rom.h new file mode 100644 index 00000000000..e0b5647742a --- /dev/null +++ b/src/devices/bus/astrocde/rom.h @@ -0,0 +1,73 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __ASTROCADE_ROM_H +#define __ASTROCADE_ROM_H + +#include "slot.h" + + +// ======================> astrocade_rom_device + +class astrocade_rom_device : public device_t, + public device_astrocade_cart_interface +{ +public: + // construction/destruction + astrocade_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); + astrocade_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); +}; + +// ======================> astrocade_rom_256k_device + +class astrocade_rom_256k_device : public astrocade_rom_device +{ +public: + // construction/destruction + astrocade_rom_256k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + virtual void device_start(); + virtual void device_reset(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_rom); + +private: + UINT8 m_base_bank; +}; + +// ======================> astrocade_rom_512k_device + +class astrocade_rom_512k_device : public astrocade_rom_device +{ +public: + // construction/destruction + astrocade_rom_512k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + virtual void device_start(); + virtual void device_reset(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_rom); + +private: + UINT8 m_base_bank; +}; + + + + + +// device type definition +extern const device_type ASTROCADE_ROM_STD; +extern const device_type ASTROCADE_ROM_256K; +extern const device_type ASTROCADE_ROM_512K; + + +#endif |