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m20_dsk: remove legacy format

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This commit is contained in:
Dirk Best 2015-06-08 11:36:11 +02:00
parent 126f95c786
commit b749e0a2f7
2 changed files with 0 additions and 173 deletions
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166
src/lib/formats/m20_dsk.c
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@ -14,173 +14,7 @@
*********************************************************************/ *********************************************************************/
#include <string.h>
#include <assert.h>
#include "m20_dsk.h" #include "m20_dsk.h"
#include "basicdsk.h"
static FLOPPY_IDENTIFY(m20_dsk_identify)
{
*vote = (floppy_image_size(floppy) == 286720) ? 100 : 0;
return FLOPPY_ERROR_SUCCESS;
}
static int m20_get_heads_per_disk(floppy_image_legacy *floppy)
{
return 2;
}
static int m20_get_tracks_per_disk(floppy_image_legacy *floppy)
{
return 35;
}
static UINT64 m20_translate_offset(floppy_image_legacy *floppy, int track, int head, int sector)
{
return 256*(32*track+16*head+sector);
}
static floperr_t get_offset(floppy_image_legacy *floppy, int head, int track, int sector, int sector_is_index, UINT64 *offset)
{
UINT64 offs;
/* translate the sector to a raw sector */
if (!sector_is_index)
{
sector -= 1;
}
/* check to see if we are out of range */
if ((head < 0) || (head >= 2) || (track < 0) || (track >= 35) || (sector < 0) || (sector >= 16))
return FLOPPY_ERROR_SEEKERROR;
offs = m20_translate_offset(floppy, track, head, sector);
if (offset)
*offset = offs;
return FLOPPY_ERROR_SUCCESS;
}
static floperr_t internal_m20_read_sector(floppy_image_legacy *floppy, int head, int track, int sector, int sector_is_index, void *buffer, size_t buflen)
{
UINT64 offset;
floperr_t err;
//printf("internal_m20_read_sector: track = %d, head = %d, sector = %d, secisix = %d, buflen = %ld\n", track, head, sector, sector_is_index, (long)buflen);
err = get_offset(floppy, head, track, sector, sector_is_index, &offset);
if (err)
return err;
floppy_image_read(floppy, buffer, offset, buflen);
return FLOPPY_ERROR_SUCCESS;
}
static floperr_t internal_m20_write_sector(floppy_image_legacy *floppy, int head, int track, int sector, int sector_is_index, const void *buffer, size_t buflen, int ddam)
{
UINT64 offset;
floperr_t err;
err = get_offset(floppy, head, track, sector, sector_is_index, &offset);
if (err)
return err;
floppy_image_write(floppy, buffer, offset, buflen);
return FLOPPY_ERROR_SUCCESS;
}
static floperr_t m20_read_sector(floppy_image_legacy *floppy, int head, int track, int sector, void *buffer, size_t buflen)
{
return internal_m20_read_sector(floppy, head, track, sector, FALSE, buffer, buflen);
}
static floperr_t m20_write_sector(floppy_image_legacy *floppy, int head, int track, int sector, const void *buffer, size_t buflen, int ddam)
{
return internal_m20_write_sector(floppy, head, track, sector, FALSE, buffer, buflen, ddam);
}
static floperr_t m20_read_indexed_sector(floppy_image_legacy *floppy, int head, int track, int sector, void *buffer, size_t buflen)
{
return internal_m20_read_sector(floppy, head, track, sector, TRUE, buffer, buflen);
}
static floperr_t m20_write_indexed_sector(floppy_image_legacy *floppy, int head, int track, int sector, const void *buffer, size_t buflen, int ddam)
{
return internal_m20_write_sector(floppy, head, track, sector, TRUE, buffer, buflen, ddam);
}
static floperr_t m20_get_sector_length(floppy_image_legacy *floppy, int head, int track, int sector, UINT32 *sector_length)
{
floperr_t err;
err = get_offset(floppy, head, track, sector, FALSE, NULL);
if (err)
return err;
if (sector_length) {
if (track == 0 && head == 0)
*sector_length = 128;
else
*sector_length = 256;
}
return FLOPPY_ERROR_SUCCESS;
}
static floperr_t m20_get_indexed_sector_info(floppy_image_legacy *floppy, int head, int track, int sector_index, int *cylinder, int *side, int *sector, UINT32 *sector_length, unsigned long *flags)
{
sector_index += 1;
if (cylinder)
*cylinder = track;
if (side)
*side = head;
if (sector)
*sector = sector_index;
if (flags)
/* TODO: read DAM or DDAM and determine flags */
*flags = 0;
return m20_get_sector_length(floppy, head, track, sector_index, sector_length);
}
static FLOPPY_CONSTRUCT(m20_dsk_construct)
{
struct FloppyCallbacks *callbacks;
callbacks = floppy_callbacks(floppy);
callbacks->read_sector = m20_read_sector;
callbacks->write_sector = m20_write_sector;
callbacks->read_indexed_sector = m20_read_indexed_sector;
callbacks->write_indexed_sector = m20_write_indexed_sector;
callbacks->get_sector_length = m20_get_sector_length;
callbacks->get_heads_per_disk = m20_get_heads_per_disk;
callbacks->get_tracks_per_disk = m20_get_tracks_per_disk;
callbacks->get_indexed_sector_info = m20_get_indexed_sector_info;
return FLOPPY_ERROR_SUCCESS;
}
/* ----------------------------------------------------------------------- */
LEGACY_FLOPPY_OPTIONS_START( m20 )
LEGACY_FLOPPY_OPTION(m20_dsk, "img", "M20 disk image", m20_dsk_identify, m20_dsk_construct, NULL, NULL)
LEGACY_FLOPPY_OPTIONS_END
/*********************************************************************
formats/m20_dsk.c
m20 format
*********************************************************************/
#include "formats/m20_dsk.h"
m20_format::m20_format() m20_format::m20_format()
{ {

7
src/lib/formats/m20_dsk.h
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@ -13,13 +13,6 @@
#include "flopimg.h" #include "flopimg.h"
/**************************************************************************/
LEGACY_FLOPPY_OPTIONS_EXTERN(m20);
#include "wd177x_dsk.h"
class m20_format : public floppy_image_format_t { class m20_format : public floppy_image_format_t {
public: public:
m20_format(); m20_format();