diff --git a/CPU.md b/CPU.md
index 02dcf67..dbc6810 100644
--- a/CPU.md
+++ b/CPU.md
@@ -19,7 +19,9 @@ The memory represented in a table would look like this:
 
 | Address | Description |
 | ------- | ----------- |
-| `0x0000 - 0x00FF` | Memory used by the [LiDAR](https://github.com/simon987/Much-Assembly-Required/wiki/Hardware:-LiDAR#interrupt-behavior) `GET_PATH` hardware interrupt behavior |
+| `0x0000 - 0x004F` | Memory used by the [LiDAR](https://github.com/simon987/Much-Assembly-Required/wiki/Hardware:-LiDAR#interrupt-behavior) `GET_PATH` hardware interrupt behavior |
+| `0x0050` | The execution cost. Is set at the end of the tick. [source](https://github.com/simon987/Much-Assembly-Required/blob/master/Server/src/main/java/net/simon987/server/assembly/CPU.java) |
+| `0x0051:0x0052` | The number of instructions executed. Is set at the end of the tick. [source](https://github.com/simon987/Much-Assembly-Required/blob/master/Server/src/main/java/net/simon987/server/assembly/CPU.java) |
 | `0x0100 - 0x01FF` | Memory used by the [LiDAR](https://github.com/simon987/Much-Assembly-Required/wiki/Hardware:-LiDAR#interrupt-behavior) `GET_MAP` hardware interrupt behavior |
 | `0x0200 - 0x0200 + PROGRAM_SIZE` | The instructions that make up your program |
 | `...`| Not assigned to anything |