diff options
Diffstat (limited to 'src/devices/bus/msx/slot/msx_write.h')
-rw-r--r-- | src/devices/bus/msx/slot/msx_write.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/devices/bus/msx/slot/msx_write.h b/src/devices/bus/msx/slot/msx_write.h new file mode 100644 index 00000000000..70d8203df06 --- /dev/null +++ b/src/devices/bus/msx/slot/msx_write.h @@ -0,0 +1,41 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol +#ifndef MAME_BUS_MSX_SLOT_MSX_WRITE_H +#define MAME_BUS_MSX_SLOT_MSX_WRITE_H + +#pragma once + +#include "slot.h" +#include "machine/nvram.h" + + +DECLARE_DEVICE_TYPE(MSX_SLOT_MSX_WRITE, msx_slot_msx_write_device) + + +class msx_slot_msx_write_device : public device_t, public msx_internal_slot_interface +{ +public: + msx_slot_msx_write_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + + // configuration helpers + void set_rom_start(const char *region, u32 offset) { m_rom_region.set_tag(region); m_region_offset = offset; } + +protected: + virtual void device_start() override; + virtual void device_reset() override; + virtual ioport_constructor device_input_ports() const override; + +private: + template <int Bank> void bank_w(u8 data); + + required_memory_region m_rom_region; + required_ioport m_switch_port; + memory_bank_array_creator<2> m_rombank; + memory_view m_view1; + memory_view m_view2; + u32 m_region_offset; + bool m_enabled; +}; + + +#endif // MAME_BUS_MSX_SLOT_MSX_WRITE_H |