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ipf: Describe the remaining fields [O. Galibert, SPS]

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This commit is contained in:
Olivier Galibert 2011-11-01 11:36:43 +00:00
parent c965e4ad27
commit 55e17a2bb9
3 changed files with 97 additions and 97 deletions
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2
.gitattributes vendored
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@ -1477,7 +1477,7 @@ src/lib/formats/imd_dsk.c svneol=native#text/plain
src/lib/formats/ioprocs.c svneol=native#text/plain
src/lib/formats/ioprocs.h svneol=native#text/plain
src/lib/formats/ipf_dsk.c svneol=native#text/plain
src/lib/formats/ipf_dsk.h svneol=native#text/plain
src/lib/formats/ipf_dsk.h -text svneol=native#text/plain
src/lib/formats/kim1_cas.c svneol=native#text/plain
src/lib/formats/kim1_cas.h svneol=native#text/plain
src/lib/formats/lviv_lvt.c svneol=native#text/plain

18
src/lib/formats/ipf_dsk.c
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@ -94,11 +94,11 @@ bool ipf_format::parse_info(const UINT8 *info)
type = r32(info+12);
if(type != 1)
return false;
f4 = r32(info+16); // Usually 2
f8 = r32(info+20); // Usually 1
encoder_type = r32(info+16); // 1 for CAPS, 2 for SPS
encoder_revision = r32(info+20); // 1 always
release = r32(info+24);
revision = r32(info+28);
f14 = r32(info+32); // Perhaps some kind of (unchecked) checksum
origin = r32(info+32); // Original source reference
min_cylinder = r32(info+36);
max_cylinder = r32(info+40);
min_head = r32(info+44);
@ -144,7 +144,7 @@ bool ipf_format::parse_imge(const UINT8 *imge)
return false;
t->type = r32(imge+20);
t->t12 = r32(imge+24); // Usually 1
t->sigtype = r32(imge+24); // 1 for 2us cells, no other value valid
t->size_bytes = r32(imge+28);
t->index_bytes = r32(imge+32);
t->index_cells = r32(imge+36);
@ -152,11 +152,11 @@ bool ipf_format::parse_imge(const UINT8 *imge)
t->gapsize_cells = r32(imge+44);
t->size_cells = r32(imge+48);
t->block_count = r32(imge+52);
t->t44 = r32(imge+56); // Usually 0
t->process = r32(imge+56); // encoder process, always 0
t->weak_bits = r32(imge+60);
t->t56 = r32(imge+68);
t->t60 = r32(imge+72);
t->t64 = r32(imge+76);
t->reserved[0] = r32(imge+68);
t->reserved[1] = r32(imge+72);
t->reserved[2] = r32(imge+76);
return true;
}
@ -167,7 +167,7 @@ bool ipf_format::parse_data(const UINT8 *data, UINT32 &pos, UINT32 max_extra_siz
if(!t)
return false;
t->d4 = r32(data+16); // Somehow related to the number of data cells
t->data_size_bits = r32(data+16);
t->data = data+28;
t->data_size = r32(data+12);
if(t->data_size > max_extra_size)

6
src/lib/formats/ipf_dsk.h
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@ -19,13 +19,13 @@ public:
private:
struct track_info {
UINT32 cylinder, head, type;
UINT32 t12, t44, t56, t60, t64;
UINT32 sigtype, process, reserved[3];
UINT32 size_bytes, size_cells;
UINT32 index_bytes, index_cells;
UINT32 datasize_cells, gapsize_cells;
UINT32 block_count, weak_bits;
UINT32 d4;
UINT32 data_size_bits;
bool info_set;
@ -37,7 +37,7 @@ private:
UINT32 tcount;
UINT32 type, release, revision;
UINT32 f4, f8, f14;
UINT32 encoder_type, encoder_revision, origin;
UINT32 min_cylinder, max_cylinder, min_head, max_head;
UINT32 credit_day, credit_time;
UINT32 platform[4], extra[5];