mirror of
https://github.com/idolpx/libMeatloaf.git
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114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
// .D81 - This is a byte for byte copy of a physical 1581 disk
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//
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// https://vice-emu.sourceforge.io/vice_17.html#SEC354
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// https://ist.uwaterloo.ca/~schepers/formats/D81.TXT
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//
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#ifndef MEATLOAF_MEDIA_D81
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#define MEATLOAF_MEDIA_D81
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#include "meat_io.h"
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#include "d64.h"
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/********************************************************
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* Streams
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********************************************************/
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class D81IStream : public D64IStream {
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// override everything that requires overriding here
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public:
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D81IStream(std::shared_ptr<MStream> is) : D64IStream(is)
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{
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// D81 Partition Info
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std::vector<BlockAllocationMap> b = {
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{
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40, // track
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1, // sector
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0x10, // offset
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1, // start_track
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40, // end_track
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6 // byte_count
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},
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{
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40, // track
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0, // sector
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0x10, // offset
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41, // start_track
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80, // end_track
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6 // byte_count
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}
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};
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Partition p = {
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40, // track
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0, // sector
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0x04, // header_offset
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40, // directory_track
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3, // directory_sector
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0x00, // directory_offset
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b // block_allocation_map
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};
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partitions.clear();
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partitions.push_back(p);
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sectorsPerTrack = { 40 };
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dos_rom = "dos1581";
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has_subdirs = true;
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uint32_t size = containerStream->size();
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switch (size + media_header_size)
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{
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case 819200: // 80 tracks no errors
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break;
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case 822400: // 80 w/ errors
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error_info = true;
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break;
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}
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};
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virtual uint8_t speedZone( uint8_t track) override { return 0; };
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protected:
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private:
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friend class D81File;
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};
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/********************************************************
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* File implementations
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********************************************************/
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class D81File: public D64File {
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public:
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D81File(std::string path, bool is_dir = true) : D64File(path, is_dir) {};
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MStream* getDecodedStream(std::shared_ptr<MStream> containerIstream) override;
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};
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/********************************************************
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* FS
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********************************************************/
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class D81FileSystem: public MFileSystem
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{
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public:
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MFile* getFile(std::string path) override {
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return new D81File(path);
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}
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bool handles(std::string fileName) override {
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return byExtension(".d81", fileName);
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}
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D81FileSystem(): MFileSystem("d81") {};
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};
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#endif /* MEATLOAF_MEDIA_D81 */
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