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ti99: Fixed disk creation via OSD

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This commit is contained in:
Michael Zapf 2018-05-04 21:58:19 +02:00
parent 263b9e6ebe
commit 5a8ec54a1e
1 changed files with 13 additions and 4 deletions
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17
src/lib/formats/ti99_dsk.cpp
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@ -254,7 +254,7 @@ bool ti99_floppy_format::save(io_generic *io, floppy_image *image)
// The criterion for a successful decoding is that we find at least
// 6 ID or data address marks on the track. It is highly unlikely
// to find so many marks with a wrong cell size.
if (marks < 6 && attempt < 4)
if (marks < 6 && attempt < 3)
{
if (TRACE) osd_printf_verbose("ti99_dsk: Decoding with cell size %d failed.\n", cell_size);
attempt++;
@ -266,6 +266,7 @@ bool ti99_floppy_format::save(io_generic *io, floppy_image *image)
{
if (marks < 6)
{
// There are no address marks on track 0, head 1.
if (min_heads()==1)
{
if (TRACE) osd_printf_info("ti99_dsk: We don't have a second side and the format allows for single-sided recording.\n");
@ -286,7 +287,7 @@ bool ti99_floppy_format::save(io_generic *io, floppy_image *image)
if (head == 0 && track == 0)
{
if (marks >=6) { if (TRACE) osd_printf_info("ti99_dsk: Decoding with cell size %d successful.\n", cell_size); }
else osd_printf_info("ti99_dsk: No address marks found on track 0. Assuming MFM format.\n");
else osd_printf_info("ti99_dsk: No address marks found on track 0. Assuming FM format.\n");
}
}
// Save to the file
@ -1025,14 +1026,22 @@ void ti99_floppy_format::showtrack(uint8_t* trackdata, int length)
*/
void ti99_sdf_format::write_track(io_generic *io, uint8_t *trackdata, int *sector, int track, int head, int maxsect, int maxtrack, int numbytes)
{
uint8_t* buf;
// For creating an empty space where the sector did not exist
uint8_t empty[256];
memset(empty, 0, 256);
int logicaltrack = head * maxtrack;
logicaltrack += ((head&1)==0)? track : (maxtrack - 1 - track);
int trackoffset = logicaltrack * maxsect * SECTOR_SIZE;
// if (head==0 && track==0) showtrack(trackdata, 9216);
for (int i=0; i < maxsect; i++)
io_generic_write(io, trackdata + sector[i], trackoffset + i * SECTOR_SIZE, SECTOR_SIZE);
for (int i=0; i < maxsect; i++) {
if (sector[i]==-1) buf = empty;
else buf = trackdata + sector[i];
io_generic_write(io, buf, trackoffset + i * SECTOR_SIZE, SECTOR_SIZE);
}
}
const floppy_format_type FLOPPY_TI99_SDF_FORMAT = &floppy_image_format_creator<ti99_sdf_format>;