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/* |
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* 1541t64.h - 1541 emulation in .t64/LYNX file |
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* 1541t64.h - 1541 emulation in archive-type files (.t64/LYNX/.p00) |
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* |
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* Frodo (C) 1994-1997,2002-2004 Christian Bauer |
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* |
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#include "IEC.h" |
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// Information for file inside a .t64 file |
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typedef struct { |
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uint8 name[17]; // File name, PETSCII |
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uint8 type; // File type |
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uint8 sa_lo, sa_hi; // Start address |
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int offset; // Offset of first byte in .t64 file |
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int length; // Length of file |
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} FileInfo; |
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/* |
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* Definitions |
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*/ |
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// Archive types |
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enum { |
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TYPE_T64, // C64S tape file |
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TYPE_LYNX, // C64 LYNX archive |
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TYPE_P00 // .p00 file |
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}; |
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class T64Drive : public Drive { |
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// Archive file drive class |
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class ArchDrive : public Drive { |
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public: |
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T64Drive(IEC *iec, char *filepath); |
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virtual ~T64Drive(); |
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ArchDrive(IEC *iec, const char *filepath); |
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virtual ~ArchDrive(); |
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virtual uint8 Open(int channel, const uint8 *name, int name_len); |
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virtual uint8 Close(int channel); |
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virtual uint8 Read(int channel, uint8 &byte); |
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virtual void Reset(void); |
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private: |
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void open_close_t64_file(char *t64name); |
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bool parse_t64_file(void); |
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bool parse_lynx_file(void); |
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bool change_arch(const char *path); |
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uint8 open_file(int channel, const uint8 *name, int name_len); |
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uint8 open_directory(int channel, const uint8 *pattern, int pattern_len); |
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virtual void initialize_cmd(void); |
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virtual void validate_cmd(void); |
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FILE *the_file; // File pointer for .t64 file |
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bool is_lynx; // Flag: .t64 file is really a LYNX archive |
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FILE *the_file; // File pointer for archive file |
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int archive_type; // File/archive type (see defines above) |
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vector<c64_dir_entry> file_info; // Vector of file information structs for all files in the archive |
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char orig_t64_name[256]; // Original path of .t64 file |
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char dir_title[16]; // Directory title |
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FILE *file[16]; // File pointers for each of the 16 channels (all temporary files) |
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int num_files; // Number of files in .t64 file and in file_info array |
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FileInfo *file_info; // Pointer to array of file information structs for each file |
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uint8 read_char[16]; // Buffers for one-byte read-ahead |
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}; |
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/* |
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* Functions |
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*/ |
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// Check whether file with given header (64 bytes) and size looks like one |
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// of the file types supported by this module |
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extern bool IsArchFile(const char *path, const uint8 *header, long size); |
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// Read directory of archive file into (empty) c64_dir_entry vector |
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extern bool ReadArchDirectory(const char *path, vector<c64_dir_entry> &vec); |
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#endif |
