added some commentaries

src/machine.rs

@@ -37,6 +37,11 @@ impl Machine {
 		}	
 	}
 
+
+	/*
+	execute the instructions table of a machine putted in param
+	@param machine which contains a table of instructions
+	*/
 	pub fn run(machine : Machine){
 		let mut m = machine;
 		loop{
@@ -44,6 +49,10 @@ impl Machine {
 		}
 	}
 
+	/*
+	execute the current instruction
+	@param machine which contains a table of instructions and a pc to the actual instruction
+	*/
 	pub fn one_instruction(machine :&mut Machine) {
 	
 		let mut unsigned_reg1 : u64 = 0;