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-rw-r--r--tools/disasm_coverage.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/disasm_coverage.py b/tools/disasm_coverage.py
index 7585370..00bee62 100644
--- a/tools/disasm_coverage.py
+++ b/tools/disasm_coverage.py
@@ -63,6 +63,10 @@ if __name__ == '__main__':
for s in data['sections']:
beg = (s['beg'] & bank_mask) + bank * bank_size
end = (s['end'] & bank_mask) + bank * bank_size
+ # skip zero-sized entries
+ if (beg == end):
+ continue
+ end -= 1 # end is exclusive
y_beg = beg // (width * bpp)
x_beg = (beg % (width * bpp)) // bpp
y_end = end // (width * bpp)