diff options
Diffstat (limited to 'src/devices/bus/msx_slot/rom.h')
-rw-r--r-- | src/devices/bus/msx_slot/rom.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/devices/bus/msx_slot/rom.h b/src/devices/bus/msx_slot/rom.h new file mode 100644 index 00000000000..6317d28f3c0 --- /dev/null +++ b/src/devices/bus/msx_slot/rom.h @@ -0,0 +1,34 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol +#ifndef __MSX_SLOT_ROM_H +#define __MSX_SLOT_ROM_H + +#include "slot.h" + +#define MCFG_MSX_SLOT_ROM_ADD(_tag, _startpage, _numpages, _region, _offset) \ + MCFG_MSX_INTERNAL_SLOT_ADD(_tag, MSX_SLOT_ROM, _startpage, _numpages) \ + msx_slot_rom_device::set_rom_start(*device, _region, _offset); + +class msx_slot_rom_device : public device_t, + public msx_internal_slot_interface +{ +public: + msx_slot_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); + msx_slot_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // static configuration helpers + static void set_rom_start(device_t &device, const char *region, UINT32 offset); + + virtual void device_start(); + + virtual DECLARE_READ8_MEMBER(read); + +private: + const char *m_region; + UINT32 m_region_offset; + const UINT8 *m_rom; +}; + +extern const device_type MSX_SLOT_ROM; + +#endif |