fix get_pre_edge error when index less than _loop_offset

2023-06-12 20:30:35 +08:00
parent 483b3e001e
commit f054d98569
1 changed files with 1 additions and 1 deletions
--- a/DSView/pv/data/logicsnapshot.cpp
+++ b/DSView/pv/data/logicsnapshot.cpp
@@ -834,7 +834,7 @@ bool LogicSnapshot::get_pre_edge(uint64_t &index, bool last_sample,

    bool flag = get_pre_edge_self(index, last_sample, min_length, sig_index);

-    index -= _loop_offset;
+    index = (index < _loop_offset) ? 0 : index - _loop_offset;
    _ring_sample_count -= _loop_offset;
    return flag;
 }