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-rw-r--r--backends/json/json.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/backends/json/json.cc b/backends/json/json.cc
index d3b7077a2..1a3ca64a3 100644
--- a/backends/json/json.cc
+++ b/backends/json/json.cc
@@ -93,8 +93,10 @@ struct JsonWriter
f << get_string(param.second.decode_string());
else if (GetSize(param.second.bits) > 32)
f << get_string(param.second.as_string());
- else
+ else if ((param.second.flags & RTLIL::ConstFlags::CONST_FLAG_SIGNED) != 0)
f << stringf("%d", param.second.as_int());
+ else
+ f << stringf("%u", param.second.as_int());
first = false;
}
}