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dio.h - low-level disk-io functions

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git-svn-id: svn://svn.cc65.org/cc65/trunk@347 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cpg 2000-10-09 22:31:57 +00:00
parent d9180676fd
commit e40995c889
1 changed files with 59 additions and 0 deletions

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include/dio.h Normal file

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/*****************************************************************************/
/* */
/* dio.h */
/* */
/* Low-Level diskette I/O functions */
/* */
/* */
/* */
/* (C) 2000 Christian Groessler <cpg@aladdin.de> */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _DIO_H
#define _DIO_H
typedef unsigned char _driveid_t;
typedef unsigned int _sectnum_t;
#ifdef __ATARI__
#define _dio_query_sectsize(x) ((unsigned int)128)
#else
#define _dio_query_sectsize(x) ((unsigned int)256)
#endif
extern unsigned char __fastcall__ _dio_setup (_driveid_t drive_id);
extern unsigned char __fastcall__ _dio_finish (_driveid_t drive_id);
extern unsigned char __fastcall__ _dio_format (_driveid_t drive_id, unsigned int format);
extern unsigned char __fastcall__ _dio_read (_driveid_t drive_id, _sectnum_t sect_num, void *buffer);
extern unsigned char __fastcall__ _dio_write (_driveid_t drive_id, _sectnum_t sect_num, void *buffer);
extern unsigned char __fastcall__ _dio_write_verify(_driveid_t drive_id, _sectnum_t sect_num, void *buffer);
extern _sectnum_t __fastcall__ _dio_chs_to_snum(unsigned int cyl, unsigned int head, unsigned int sector);
extern void __fastcall__ _dio_snum_to_chs(_sectnum_t sect_num,
unsigned int *cyl,
unsigned int *head,
unsigned int *sector);
#endif /* #ifndef _DIO_H */