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-rw-r--r--src/devices/bus/vtech/memexp/sdloader.h60
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diff --git a/src/devices/bus/vtech/memexp/sdloader.h b/src/devices/bus/vtech/memexp/sdloader.h
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index 00000000000..e2c80302ef6
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+++ b/src/devices/bus/vtech/memexp/sdloader.h
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+// license: GPL-2.0+
+// copyright-holders: Dirk Best
+/***************************************************************************
+
+ BennVenn SD Loader for VZ300
+
+***************************************************************************/
+
+#ifndef MAME_BUS_VTECH_MEMEXP_SDLOADER_H
+#define MAME_BUS_VTECH_MEMEXP_SDLOADER_H
+
+#pragma once
+
+#include "memexp.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> vtech_sdloader_device
+
+class vtech_sdloader_device : public vtech_memexp_device
+{
+public:
+ // construction/destruction
+ vtech_sdloader_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ static constexpr feature_type unemulated_features() { return feature::DISK; }
+
+protected:
+ virtual const tiny_rom_entry *device_rom_region() const override;
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ virtual void mem_map(address_map &map) override;
+ virtual void io_map(address_map &map) override;
+
+private:
+ required_memory_bank m_dosbank;
+ memory_view m_dosview;
+ memory_bank_creator m_expbank;
+
+ void mapper_w(uint8_t data);
+ void sdcfg_w(uint8_t data);
+ uint8_t sdio_r();
+ void sdio_w(uint8_t data);
+ void mode_w(uint8_t data);
+
+ uint8_t exp_ram_r(offs_t offset);
+ void exp_ram_w(offs_t offset, uint8_t data);
+
+ std::unique_ptr<uint8_t[]> m_ram;
+ bool m_vz300_mode;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(VTECH_SDLOADER, vtech_sdloader_device)
+
+#endif // MAME_BUS_VTECH_MEMEXP_SDLOADER_H