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Diffstat (limited to 'src/devices/bus/z88/rom.h')
-rw-r--r-- | src/devices/bus/z88/rom.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/devices/bus/z88/rom.h b/src/devices/bus/z88/rom.h new file mode 100644 index 00000000000..41cdbc4a771 --- /dev/null +++ b/src/devices/bus/z88/rom.h @@ -0,0 +1,70 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco +#pragma once + +#ifndef __Z88_ROM_H__ +#define __Z88_ROM_H__ + +#include "emu.h" +#include "z88.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> z88_32k_rom_device + +class z88_32k_rom_device : public device_t, + public device_z88cart_interface +{ +public: + // construction/destruction + z88_32k_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + z88_32k_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); + +protected: + // device-level overrides + virtual void device_start(); + + // z88cart_interface overrides + virtual DECLARE_READ8_MEMBER(read); + virtual UINT8* get_cart_base(); + virtual UINT32 get_cart_size() { return 0x8000; } + +protected: + // internal state + UINT8 * m_rom; +}; + +// ======================> z88_128k_rom_device + +class z88_128k_rom_device : public z88_32k_rom_device +{ +public: + // construction/destruction + z88_128k_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + +protected: + // z88cart_interface overrides + virtual UINT32 get_cart_size() { return 0x20000; } +}; + +// ======================> z88_256k_rom_device + +class z88_256k_rom_device : public z88_32k_rom_device +{ +public: + // construction/destruction + z88_256k_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + +protected: + // z88cart_interface overrides + virtual UINT32 get_cart_size() { return 0x200000; } +}; + +// device type definition +extern const device_type Z88_32K_ROM; +extern const device_type Z88_128K_ROM; +extern const device_type Z88_256K_ROM; + +#endif /* __Z88_ROM_H__ */ |