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New function dio_query_sectcount and cosmetic changes

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3433 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2005-03-30 18:25:38 +00:00
parent 35676b5c6b
commit 742cf43e30
1 changed files with 38 additions and 22 deletions
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60
include/dio.h
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@ -28,9 +28,19 @@
/* */
/*****************************************************************************/
#ifndef _DIO_H
#define _DIO_H
/*****************************************************************************/
/* Data */
/*****************************************************************************/
typedef unsigned char driveid_t;
typedef unsigned int sectnum_t;
typedef unsigned int sectsize_t;
@ -43,50 +53,56 @@ typedef struct {
} dio_phys_pos;
#ifdef __ATARI__
extern sectsize_t __fastcall__ dio_query_sectsize(dhandle_t handle);
#else
#define dio_query_sectsize(x) ((sectsize_t)256)
#endif
/*****************************************************************************/
/* Code */
/*****************************************************************************/
sectsize_t __fastcall__ dio_query_sectsize(dhandle_t handle);
/* queries sector size, currently hardcoded */
extern dhandle_t __fastcall__ dio_open(driveid_t drive_id);
sectnum_t __fastcall__ dio_query_sectcount(dhandle_t handle);
/* Return the sector count for a disk. */
dhandle_t __fastcall__ dio_open(driveid_t drive_id);
/* open drive for subsequent dio access */
extern unsigned char __fastcall__ dio_close(dhandle_t handle);
unsigned char __fastcall__ dio_close(dhandle_t handle);
/* close drive, returns oserror (0 for success) */
extern unsigned char __fastcall__ dio_read(dhandle_t handle,
sectnum_t sect_num,
void *buffer);
unsigned char __fastcall__ dio_read(dhandle_t handle,
sectnum_t sect_num,
void *buffer);
/* read sector <sect_num> from drive <handle> to memory at <buffer> */
/* the number of bytes transferred depends on the sector size */
/* returns oserror (0 for success) */
extern unsigned char __fastcall__ dio_write(dhandle_t handle,
sectnum_t sect_num,
const void *buffer);
unsigned char __fastcall__ dio_write(dhandle_t handle,
sectnum_t sect_num,
const void *buffer);
/* write memory at <buffer> to sector <sect_num> on drive <handle>, no verify */
/* the number of bytes transferred depends on the sector size */
/* returns oserror (0 for success) */
extern unsigned char __fastcall__ dio_write_verify(dhandle_t handle,
sectnum_t sect_num,
const void *buffer);
unsigned char __fastcall__ dio_write_verify(dhandle_t handle,
sectnum_t sect_num,
const void *buffer);
/* write memory at <buffer> to sector <sect_num> on drive <handle>, verify after write */
/* the number of bytes transferred depends on the sector size */
/* returns oserror (0 for success) */
extern unsigned char __fastcall__ dio_phys_to_log(dhandle_t handle,
const dio_phys_pos *physpos, /* input */
sectnum_t *sectnum); /* output */
unsigned char __fastcall__ dio_phys_to_log(dhandle_t handle,
const dio_phys_pos *physpos, /* input */
sectnum_t *sectnum); /* output */
/* convert physical sector address (head/track/sector) to logical sector number */
/* returns oserror (0 for success) */
extern unsigned char __fastcall__ dio_log_to_phys(dhandle_t handle,
const sectnum_t *sectnum, /* input */
dio_phys_pos *physpos); /* output */
unsigned char __fastcall__ dio_log_to_phys(dhandle_t handle,
const sectnum_t *sectnum, /* input */
dio_phys_pos *physpos); /* output */
/* convert logical sector number to physical sector address (head/track/sector) */
/* returns oserror (0 for success) */