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  • zkp
  • zkevm-circuitszkevm-circuits
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    • Zkevm docs
    • 4 core
  • core addmod

core addmod · Changes

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docs: update the core add section --story=1018296 authored Jul 26, 2024 by chenxuanhui's avatar chenxuanhui
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zkevm-docs/4-core/core-addmod.markdown
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......@@ -2,7 +2,7 @@
### 概述
概述:加法取模指令,对栈中的两个值进行加法取模计算(此操作的所有中间计算不受2^256模的限制。)。
概述:加法取模指令,对栈中的两个值进行加法取模计算(此操作的所有中间计算不受2^256模的限制)。
具体操作:从栈顶弹出三个值a,b和n,对a,b进行整数加法再对n取模,将结果存进栈。
......@@ -10,16 +10,16 @@ trace示例:
```code
// Example 1
// Result 4
PUSH1 8
PUSH1 10
PUSH1 10
ADDMOD
// Example 2
// Result 1
PUSH1 2
PUSH1 2
// Result 4 //0x4
PUSH1 8 //0x8
PUSH1 10 //0xA
PUSH1 10 //0xA
ADDMOD //0x2
// Example 2
// Result 1 //0x01
PUSH1 2 //0x2
PUSH1 2 //0x2
PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
ADDMOD
```
......@@ -48,7 +48,7 @@ cnt=1,vers[24]~vers[31]的位置用来存进栈顶的值stack_push。
| tag | operand_a_hi | operand_a_lo | operand_b_hi | operand_b_lo | operand_n_hi | operand_n_lo | result_hi | result_lo |
| ------ | ------------ | ------------ | ------------ | ------------ | ---------------------------------- | ---------------------------------- | --------- | --------- |
| ADDMOD | 0x00 | 0x10 | 0x00 | 0x10 | 0x00 | 0x08 | 0x00 | 0x04 |
| ADDMOD | 0x00 | 0xA | 0x00 | 0xA | 0x00 | 0x08 | 0x00 | 0x04 |
| ADDMOD | 0x00 | 0x02 | 0x00 | 0x02 | 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF | 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF | 0x00 | 0x01 |
各个字段的含义如下:
......
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