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-rw-r--r--src/mame/machine/hyperscan_card.h58
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diff --git a/src/mame/machine/hyperscan_card.h b/src/mame/machine/hyperscan_card.h
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+++ b/src/mame/machine/hyperscan_card.h
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+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+
+
+#ifndef MAME_MACHINE_HYPERSCAN_CARD_H
+#define MAME_MACHINE_HYPERSCAN_CARD_H
+
+#pragma once
+
+#include "softlist_dev.h"
+
+class hyperscan_card_device : public device_t,
+ public device_image_interface
+{
+public:
+ hyperscan_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ int read();
+ void write(int state);
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // image-level overrides
+ virtual image_init_result call_load() override;
+ virtual void call_unload() override;
+ virtual iodevice_t image_type() const noexcept override { return IO_MEMCARD; }
+ virtual bool is_readable() const noexcept override { return true; }
+ virtual bool is_writeable() const noexcept override { return true; }
+ virtual bool is_creatable() const noexcept override { return false; }
+ virtual bool must_be_loaded() const noexcept override { return false; }
+ virtual bool is_reset_on_load() const noexcept override { return false; }
+ virtual const char *image_interface() const noexcept override { return "hyperscan_card"; }
+ virtual const char *file_extensions() const noexcept override { return "bin"; }
+
+ // device_image_interface implementation
+ virtual const software_list_loader &get_software_list_loader() const override { return image_software_list_loader::instance(); }
+
+private:
+ uint16_t calc_crc(std::vector<uint8_t> const &data);
+ void resp_add_byte(uint8_t data, bool add_parity);
+ void make_resp(std::vector<uint8_t> const &data, bool add_crc);
+ void check_command();
+
+ int m_state;
+ int m_bit_pos;
+ uint8_t m_data;
+ std::vector<uint8_t> m_cmd_buf;
+ std::vector<uint8_t> m_resp_buf;
+ uint8_t m_resp_idx;
+ attotime m_last_at;
+ uint8_t m_memory[120];
+};
+
+DECLARE_DEVICE_TYPE(HYPERSCAN_CARD, hyperscan_card_device)
+
+#endif // MAME_MACHINE_HYPERSCAN_CARD_H