1 /*****************************************************************************/
5 /* Low-Level diskette I/O functions */
9 /* (C) 2000 Christian Groessler <cpg@aladdin.de> */
12 /* This software is provided 'as-is', without any expressed or implied */
13 /* warranty. In no event will the authors be held liable for any damages */
14 /* arising from the use of this software. */
16 /* Permission is granted to anyone to use this software for any purpose, */
17 /* including commercial applications, and to alter it and redistribute it */
18 /* freely, subject to the following restrictions: */
20 /* 1. The origin of this software must not be misrepresented; you must not */
21 /* claim that you wrote the original software. If you use this software */
22 /* in a product, an acknowledgment in the product documentation would be */
23 /* appreciated but is not required. */
24 /* 2. Altered source versions must be plainly marked as such, and must not */
25 /* be misrepresented as being the original software. */
26 /* 3. This notice may not be removed or altered from any source */
29 /*****************************************************************************/
34 typedef unsigned char _driveid_t;
35 typedef unsigned int _sectnum_t;
36 typedef unsigned int _sectsize_t;
41 #define _dio_query_sectsize(x) ((_sectsize_t)128)
47 #define _dio_query_sectsize(x) ((_sectsize_t)256)
48 extern unsigned char __fastcall__ _dio_open (_driveid_t drive_id);
49 extern unsigned char __fastcall__ _dio_close (_driveid_t drive_id);
53 extern unsigned char __fastcall__ _dio_format (_driveid_t drive_id, unsigned int format);
54 extern unsigned char __fastcall__ _dio_read (_driveid_t drive_id, _sectnum_t sect_num, void *buffer);
55 extern unsigned char __fastcall__ _dio_write (_driveid_t drive_id, _sectnum_t sect_num, void *buffer);
56 extern unsigned char __fastcall__ _dio_write_verify(_driveid_t drive_id, _sectnum_t sect_num, void *buffer);
59 extern _sectnum_t __fastcall__ _dio_chs_to_snum(unsigned int cyl, unsigned int head, unsigned int sector);
60 extern void __fastcall__ _dio_snum_to_chs(_sectnum_t sect_num,
63 unsigned int *sector);
65 #endif /* #ifndef _DIO_H */