zkevm-docs/9-bitwise.markdown

@@ -100,8 +100,9 @@ pub struct BitwiseCircuitConfig<F: Field> {
 应该使用u128.to_be_bytes,即大端序来计算，例如:0x123456789a计算acc
 
 ```shell
+---->内存地址增长方向：低地址--------------------->高地址
 ---->u128.to_be_bytes()
----->小端序[u8;16]: 内存地址增长方向：低--------------------->高
+---->小端序[u8;16]: 低位字节在低位地址，高位字节在高位地址
 ----> [154,120,86,52,18, 0, 0...0, 0]
 ----> 即[0x9a,0x78,0x56,0x34,0x12, 0, 0...0, 0]
 ---->遍历[u8;16], acc = cur_byte + acc_pre
@@ -109,8 +110,9 @@ pub struct BitwiseCircuitConfig<F: Field> {
 ```
 
 ```shell
+---->内存地址增长方向：低地址--------------------->高地址
 ---->u128.to_be_bytes()
----->大端序[u8;16]：内存地址增长方向：高<---------------------低
+---->大端序[u8;16]：高位字节在低位地址，低字节在高位地址
 ---->[0, 0...18,52,86,120,154]
 ---->即[0, 0...0x12,0x34,0x56,0x78,0x9a]
 ---->遍历[u8;16], acc = cur_byte + acc_pre