qingyun Ma · 4ca2e43d
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zkevm-docs/9-bitwise.markdown zkevm-docs/9-bitwise.markdown +2 -0

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--- a/zkevm-docs/9-bitwise.markdown
+++ b/zkevm-docs/9-bitwise.markdown
@@ -59,6 +59,8 @@ pub struct BitwiseCircuitConfig<F: Field> {
    pub sum_2: Column<Advice>,
    /// The counter for one operation
    pub cnt: Column<Advice>,
+    /// IsZero chip for column cnt
+    pub cnt_is_zero: IsZeroWithRotationConfig<F>,
 }
 ```