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-rw-r--r--src/lib/formats/vt_dsk.h58
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diff --git a/src/lib/formats/vt_dsk.h b/src/lib/formats/vt_dsk.h
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+++ b/src/lib/formats/vt_dsk.h
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+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
+/*********************************************************************
+
+ formats/vt_dsk.h
+
+ VTech disk image formats
+
+*********************************************************************/
+#ifndef MAME_FORMATS_VT_DSK_H
+#define MAME_FORMATS_VT_DSK_H
+
+#pragma once
+
+#include "flopimg.h"
+
+class vtech_common_format : public floppy_image_format_t {
+public:
+ virtual bool supports_save() const override { return true; }
+
+protected:
+ static void image_to_flux(const std::vector<uint8_t> &bdata, floppy_image *image);
+ static std::vector<uint8_t> flux_to_image(floppy_image *image);
+
+ static void wbit(std::vector<uint32_t> &buffer, uint32_t &pos, uint32_t &mg, bool bit);
+ static void wbyte(std::vector<uint32_t> &buffer, uint32_t &pos, uint32_t &mg, uint8_t byte);
+};
+
+class vtech_bin_format : public vtech_common_format {
+public:
+ vtech_bin_format() = default;
+
+ virtual const char *name() const override;
+ virtual const char *description() const override;
+ virtual const char *extensions() const override;
+
+ virtual int identify(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants) override;
+ virtual bool load(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image) override;
+ virtual bool save(io_generic *io, const std::vector<uint32_t> &variants, floppy_image *image) override;
+};
+
+class vtech_dsk_format : public vtech_common_format {
+public:
+ vtech_dsk_format() = default;
+
+ virtual const char *name() const override;
+ virtual const char *description() const override;
+ virtual const char *extensions() const override;
+
+ virtual int identify(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants) override;
+ virtual bool load(io_generic *io, uint32_t form_factor, const std::vector<uint32_t> &variants, floppy_image *image) override;
+ virtual bool save(io_generic *io, const std::vector<uint32_t> &variants, floppy_image *image) override;
+};
+
+extern const floppy_format_type FLOPPY_VTECH_BIN_FORMAT;
+extern const floppy_format_type FLOPPY_VTECH_DSK_FORMAT;
+
+#endif // MAME_FORMATS_VT_DSK_H