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Diffstat (limited to 'src/devices/bus/msx/slot/fs4600.h')
-rw-r--r--src/devices/bus/msx/slot/fs4600.h50
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diff --git a/src/devices/bus/msx/slot/fs4600.h b/src/devices/bus/msx/slot/fs4600.h
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+++ b/src/devices/bus/msx/slot/fs4600.h
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+// 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