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.86F floppy image handler can now format tracks not present in the file by adding them to the file.

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OBattler
2016-09-01 18:52:23 +02:00
parent 1ddad56c8c
commit 88379ee845
1 changed files with 26 additions and 0 deletions
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26
src/disc_86f.c
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@@ -59,6 +59,7 @@ static struct
uint8_t track_in_file;
uint32_t track_pos[256];
uint16_t raw_track_size;
uint32_t file_size;
} d86f[2];
/* Needed for formatting! */
@@ -198,6 +199,10 @@ void d86f_load(int drive, char *fn)
/* Load track 0 flags as default. */
fseek(d86f[drive].f, d86f[drive].track_pos[0], SEEK_SET);
fread(&(d86f[drive].track_flags), 1, 1, d86f[drive].f);
fseek(d86f[drive].f, 0, SEEK_END);
d86f[drive].file_size = ftell(d86f[drive].f);
fseek(d86f[drive].f, 0, SEEK_SET);
drives[drive].seek = d86f_seek;
@@ -629,6 +634,14 @@ void d86f_format(int drive, int track, int side, int rate, uint8_t fill)
return;
}
if ((track < 0) || (track > 256))
{
fdc_writeprotect();
d86f_state[drive] = STATE_IDLE;
index_count[drive] = 0;
return;
}
d86f_drive = drive;
d86f_fill[drive] = fill;
index_count[drive] = 0;
@@ -639,6 +652,19 @@ void d86f_format(int drive, int track, int side, int rate, uint8_t fill)
d86f[drive].track_flags |= fdc_is_mfm() ? 8 : 0;
memset(d86f[drive].track_data[side], 0xFF, 25000);
d86f_prepare_track_layout(drive, side);
if (!d86f[drive].track_in_file)
{
/* Track is absent from the file, let's add it. */
d86f[drive].track_pos[track] = d86f[drive].file_size;
d86f[drive].file_size += (2 + 50000);
if (d86f_get_sides(drive) == 2)
{
d86f[drive].file_size += 50000;
}
d86f[drive].track_in_file = 1;
}
d86f_state[drive] = STATE_FORMAT_FIND;
format_sector_count[drive] = 0;
}