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Added SpartaDOS sector map parsing and initial directory support

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This commit is contained in:
Rob McMullen 2016-02-11 19:18:09 -08:00
parent ce36ea9ee6
commit c36aebd593
1 changed files with 25 additions and 3 deletions
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28
atrcopy.py
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@ -935,13 +935,35 @@ class SpartaDosDiskImage(DiskImageBase):
segments.append(segment)
return segments
def get_sector_map(self, sector):
m = None
while sector > 0:
b, _ = self.get_sectors(sector)
sector, prev = b[0:4].view(dtype='<u2')
if m is None:
m = np.copy(b[4:].view(dtype='<u2'))
else:
m = np.hstack((m, b[4:].view(dtype='<u2')))
return m
def get_directory_segments(self):
dir_map = self.get_sector_map(self.root_dir)
print dir_map
b = self.bytes
s = self.style
segments = []
addr = 0
start, count = self.get_contiguous_sectors(361, 8)
segment = RawSectorsSegment(b[start:start+count], s[start:start+count], 361, 8, count, name="Directory")
byte_order = []
for sector in dir_map:
if sector == 0:
break
bytes, pos, size = self.get_raw_bytes(sector)
byte_order.extend(range(pos, pos + size))
name = "Root Directory"
if len(byte_order) > 0:
segment = IndexedByteSegment(self.bytes, self.style, byte_order, name=name)
else:
segment = EmptySegment(self.bytes, self.style, name=name)
segment.map_width = 23
segments.append(segment)
return segments