diff --git a/src/bot.rs b/src/bot.rs
index ffdaee8..40e1b64 100644
--- a/src/bot.rs
+++ b/src/bot.rs
@@ -1,4 +1,6 @@
-use binrw::{BinReaderExt, binrw};
+use binrw::{binrw,BinReaderExt,BinWriterExt};
+use crate::newtypes::instruction::TimedInstruction;
+use crate::newtypes::physics::PhysicsInputInstruction;
 
 #[derive(Debug)]
 pub enum Error{
@@ -8,6 +10,29 @@ pub enum Error{
 	File(crate::file::Error),
 }
 
+pub struct BotDebug{
+	name:String,
+	file:std::fs::File,
+}
+
+impl BotDebug{
+	pub fn new()->std::io::Result<Self>{
+		let rng:u128=rand::random();
+		let name=format!("{rng:x}");
+		Ok(Self{
+			file:std::fs::File::create(name.as_str())?,
+			name,
+		})
+	}
+	pub fn delete(self)->std::io::Result<()>{
+		std::mem::drop(self.file);
+		std::fs::remove_file(self.name)
+	}
+	pub fn push(&self,ins:TimedInstruction<PhysicsInputInstruction>)->Result<(),binrw::Error>{
+		self.file.write_le(ins)
+	}
+}
+
 /* block types
 
 BLOCK_BOT_HEADER: