dio.h - low-level disk-io functions

git-svn-id: svn://svn.cc65.org/cc65/trunk@347 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/include/dio.h b/include/dio.h
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+++ b/include/dio.h
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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 */