diff --git a/readbc.lua b/readbc.lua
index c305113..72645af 100644
--- a/readbc.lua
+++ b/readbc.lua
@@ -1,6 +1,8 @@
 -- module for reading serialized lua bytecode
 
-local bit=require('bit')
+local bit = require('bit')
+local lunaclib = require('lunaclib')
+local u64_to_num = lunaclib.u64_to_num
 
 local HEADER_MAGIC = {27, string.byte('L'), string.byte('J')}
 local FLAG_STRIP = 0x02
@@ -125,7 +127,16 @@ local function read_proto(fp)
     local bcins = read_u32n(fp, numbc)
     local uvdata = read_u16n(fp, numuv)
     -- local kgc
-    -- local numkn
+    local num = {}
+    for i = 1, numkn do
+        local x = read_uleb128(fp)
+        if bit.band(x, 1) == 1 then
+            local y = read_uleb128(fp)
+            num[i] = u64_to_num(x, y)
+        else
+            num[i] = (x/2)-1
+        end
+    end
     -- local debug = fp:read(debugLen)
 
     -- TODO: remove when reading of kgc, numkn and debug is implemented
diff --git a/snippets/test5.lua b/snippets/test5.lua
new file mode 100644
index 0000000..3b5d049
--- /dev/null
+++ b/snippets/test5.lua
@@ -0,0 +1,3 @@
+local num = 2^15+1
+local num64 = 2^32
+local fp = 0.75