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acorn_dsk: Adjusted returned FFID's to indicate verified internal structure.

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This commit is contained in:
Nigel Barnes 2022-05-15 16:17:35 +01:00
parent 3377ee1d79
commit 41cffee11a
1 changed files with 15 additions and 10 deletions
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25
src/lib/formats/acorn_dsk.cpp
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@ -55,12 +55,12 @@ int acorn_ssd_format::find_size(util::random_read &io, uint32_t form_factor, con
// test for Torch CPN - test pattern at sector &0018
io.read_at(0x32800, cat, 8, actual);
if (memcmp(cat, "\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd", 4) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
if (memcmp(cat, "\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd", 8) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
return i;
// test for HADFS - test pattern at sector 70
io.read_at(0x04610, cat, 8, actual);
if (memcmp(cat, "\x00\x28\x43\x29\x4a\x47\x48\x00", 4) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
if (memcmp(cat, "\x00\x28\x43\x29\x4a\x47\x48\x00", 8) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
return i;
// test for Kenda SD - offset &0962 = 0 SD/1 DD, offset &0963 = disk size blocks / 4 (block size = 1K, ie. 0x400 bytes), reserved tracks = 3, ie. 0x1e00 bytes, soft stagger = 2 sectors, ie. 0x200 bytes
@ -113,7 +113,7 @@ int acorn_ssd_format::identify(util::random_read &io, uint32_t form_factor, cons
int type = find_size(io, form_factor, variants);
if (type != -1)
return FIFID_SIZE;
return FIFID_SIZE | FIFID_STRUCT;
return 0;
}
@ -207,14 +207,19 @@ int acorn_dsd_format::find_size(util::random_read &io, uint32_t form_factor, con
// test for Torch CPN - test pattern at sector &0018
io.read_at(0x1200, cat, 8, actual);
if (memcmp(cat, "\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd", 4) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
if (memcmp(cat, "\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd", 8) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
return i;
// test for HADFS - test pattern at sector 70
io.read_at(0x08c10, cat, 8, actual);
if (memcmp(cat, "\x00\x28\x43\x29\x4a\x47\x48\x00", 4) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
if (memcmp(cat, "\x00\x28\x43\x29\x4a\x47\x48\x00", 8) == 0 && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
return i;
// test for FLEX - from System Information Record
io.read_at(0x0226, cat, 2, actual);
if ((memcmp(cat, "\x4f\x14", 2) == 0 || memcmp(cat, "\x4f\x0a", 2) == 0) && size == (uint64_t)compute_track_size(f) * f.track_count * f.head_count)
return i;
// read sector count from side 0 catalogue
io.read_at(0x100, cat, 8, actual);
sectors0 = ((cat[6] & 3) << 8) + cat[7];
@ -246,7 +251,7 @@ int acorn_dsd_format::identify(util::random_read &io, uint32_t form_factor, cons
int type = find_size(io, form_factor, variants);
if (type != -1)
return FIFID_SIZE;
return FIFID_STRUCT | FIFID_SIZE;
return 0;
}
@ -351,7 +356,7 @@ int opus_ddos_format::identify(util::random_read &io, uint32_t form_factor, cons
int type = find_size(io, form_factor, variants);
if (type != -1)
return FIFID_SIZE;
return FIFID_STRUCT | FIFID_SIZE;
return 0;
}
@ -448,7 +453,7 @@ int acorn_adfs_old_format::identify(util::random_read &io, uint32_t form_factor,
int type = find_size(io, form_factor, variants);
if(type != -1)
return FIFID_SIZE;
return FIFID_STRUCT | FIFID_SIZE;
return 0;
}
@ -552,7 +557,7 @@ int acorn_adfs_new_format::identify(util::random_read &io, uint32_t form_factor,
int type = find_size(io, form_factor, variants);
if (type != -1)
return FIFID_SIZE;
return FIFID_STRUCT | FIFID_SIZE;
return 0;
}
@ -633,7 +638,7 @@ int acorn_dos_format::identify(util::random_read &io, uint32_t form_factor, cons
int type = find_size(io, form_factor, variants);
if (type != -1)
return FIFID_SIZE;
return FIFID_STRUCT | FIFID_SIZE;
return 0;
}