frodo-wii/Src/1541t64.h
2009-01-13 18:46:42 +00:00

85 lines
2.6 KiB
C++

/*
* 1541t64.h - 1541 emulation in archive-type files (.t64/LYNX/.p00)
*
* Frodo (C) 1994-1997,2002-2005 Christian Bauer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _1541T64_H
#define _1541T64_H
#include "IEC.h"
/*
* Definitions
*/
// Archive types
enum {
TYPE_T64, // C64S tape file
TYPE_LYNX, // C64 LYNX archive
TYPE_P00 // .p00 file
};
// Archive file drive class
class ArchDrive : public Drive {
public:
ArchDrive(IEC *iec, const char *filepath);
virtual ~ArchDrive();
virtual uint8 Open(int channel, const uint8 *name, int name_len);
virtual uint8 Close(int channel);
virtual uint8 Read(int channel, uint8 &byte);
virtual uint8 Write(int channel, uint8 byte, bool eoi);
virtual void Reset(void);
private:
bool change_arch(const char *path);
uint8 open_file(int channel, const uint8 *name, int name_len);
uint8 open_directory(int channel, const uint8 *pattern, int pattern_len);
bool find_first_file(const uint8 *pattern, int pattern_len, int &num);
void close_all_channels(void);
virtual void rename_cmd(const uint8 *new_file, int new_file_len, const uint8 *old_file, int old_file_len);
virtual void initialize_cmd(void);
virtual void validate_cmd(void);
FILE *the_file; // File pointer for archive file
int archive_type; // File/archive type (see defines above)
vector<c64_dir_entry> file_info; // Vector of file information structs for all files in the archive
char dir_title[16]; // Directory title
FILE *file[16]; // File pointers for each of the 16 channels (all temporary files)
uint8 read_char[16]; // Buffers for one-byte read-ahead
};
/*
* Functions
*/
// Check whether file with given header (64 bytes) and size looks like one
// of the file types supported by this module
extern bool IsArchFile(const char *path, const uint8 *header, long size);
// Read directory of archive file into (empty) c64_dir_entry vector
extern bool ReadArchDirectory(const char *path, vector<c64_dir_entry> &vec);
#endif