nes-proj/platform/c64/loader/c64-fs.h

98 lines
2.9 KiB
C

/**
* \addtogroup c64fs
* @{
*/
/**
* \file
* Header file for the C64 filesystem functions.
* \author Adam Dunkels <adam@dunkels.com>
*
*/
/*
* Copyright (c) 2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the Contiki desktop environment
*
* $Id: c64-fs.h,v 1.1 2006/06/17 22:41:26 adamdunkels Exp $
*
*/
#ifndef __C64_FS_H__
#define __C64_FS_H__
#include "c64-dio.h"
/**
* An opaque structure with no user visible elements that represents
* an open file.
*/
struct c64_fs_file {
unsigned char track, sect, ptr;
};
int c64_fs_open(const char *name, struct c64_fs_file *f);
void c64_fs_close(struct c64_fs_file *f);
int __fastcall__ c64_fs_read(struct c64_fs_file *f,
char *buf, int len);
int __fastcall__ c64_fs_write(struct c64_fs_file *f,
char *buf, int len);
/**
* An opaque structure with no user visible elements that represents a
* directory descriptor.
*/
struct c64_fs_dir {
unsigned char track, sect, ptr;
};
/**
* A C64 directory entry.
*/
struct c64_fs_dirent {
char name[17]; /**< The name of the directory entry. */
unsigned short size; /**< The size of the directory entry in 256 byte blocks. */
unsigned char track,
sect;
};
unsigned char c64_fs_opendir(struct c64_fs_dir *d);
void c64_fs_readdir_dirent(struct c64_fs_dir *d,
struct c64_fs_dirent *f);
unsigned char c64_fs_readdir_next(struct c64_fs_dir *d);
void c64_fs_closedir(struct c64_fs_dir *d);
/** @} */
#endif /* __C64_FS_H__ */