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/* |
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* 1541t64.h - 1541 emulation in .t64/LYNX file |
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* |
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* Frodo (C) 1994-1997,2002-2004 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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|
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#ifndef _1541T64_H |
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#define _1541T64_H |
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|
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#include "IEC.h" |
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|
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|
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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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|
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class T64Drive : 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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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 uint8 Write(int channel, uint8 byte, bool eoi); |
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virtual void Reset(void); |
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|
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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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|
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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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bool find_first_file(const uint8 *pattern, int pattern_len, int &num); |
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void close_all_channels(void); |
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|
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virtual void rename_cmd(const uint8 *new_file, int new_file_len, const uint8 *old_file, int old_file_len); |
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virtual void initialize_cmd(void); |
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virtual void validate_cmd(void); |
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|
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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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|
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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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|
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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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|
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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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#endif |
