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Diffstat (limited to 'src/devices/bus/msx/slot/fs4600.h')
-rw-r--r-- | src/devices/bus/msx/slot/fs4600.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/devices/bus/msx/slot/fs4600.h b/src/devices/bus/msx/slot/fs4600.h new file mode 100644 index 00000000000..736ddab499a --- /dev/null +++ b/src/devices/bus/msx/slot/fs4600.h @@ -0,0 +1,50 @@ +// license:BSD-3-Clause +// copyright-holders:Wilbert Pol +#ifndef MAME_BUS_MSX_SLOT_FS4600_H +#define MAME_BUS_MSX_SLOT_FS4600_H + +#pragma once + +#include "slot.h" +#include "machine/nvram.h" + + +DECLARE_DEVICE_TYPE(MSX_SLOT_FS4600, msx_slot_fs4600_device) + + +class msx_slot_fs4600_device : public device_t, public msx_internal_slot_interface +{ +public: + msx_slot_fs4600_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 void device_add_mconfig(machine_config &config) override; + +private: + static constexpr size_t SRAM_SIZE = 0x1000; + + void control_w(u8 data); + u8 sram_r(); + void sram_w(offs_t offset, u8 data); + template <int Bank> void bank_w(u8 data); + u8 bank_r(offs_t offset); + + required_device<nvram_device> m_nvram; + required_memory_region m_rom_region; + memory_bank_array_creator<3> m_rombank; + memory_view m_view0; + memory_view m_view1; + memory_view m_view2; + u32 m_region_offset; + u32 m_sram_address; + std::vector<u8> m_sram; +}; + + +#endif // MAME_BUS_MSX_SLOT_FS4600_H |