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WhizproAnalyzer: Fix 256K image detection

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RichardG867
2023-11-22 12:07:48 -03:00
parent 7c12dc39a7
commit 8dd13545b1
1 changed files with 4 additions and 3 deletions
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7
biostools/analyzers.py
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@@ -3617,9 +3617,10 @@ class WhizproAnalyzer(Analyzer):
date_index = len(file_data) - 0x0b
self.version = util.read_string(file_data[date_index:date_index + 8])
# Determine location of the identification block. I've only ever
# seen 512K BIOSes; other sizes are assumed to work the same way.
id_block_index = len(file_data) - 0x20110
# Determine location of the identification block.
# 256K BIOS = end - 0x10110
# 512K BIOS = end - 0x20110
id_block_index = len(file_data) - ((len(file_data) >> 2) + 0x110)
# Extract string.
self.string = util.read_string(file_data[id_block_index + 0xe0:id_block_index + 0x100])