Implemented parameters

src/build/Function.go

@@ -17,7 +17,6 @@ import (
 type Function struct {
 	Name      string
 	File      *fs.File
-	Head      token.List
 	Body      token.List
 	Variables map[string]*Variable
 	Assembler asm.Assembler
@@ -152,7 +151,10 @@ func (f *Function) TokenToRegister(t token.Token, register cpu.Register) error {
 			return errors.New(&errors.UnknownIdentifier{Name: name}, f.File, t.Position)
 		}
 
-		f.Assembler.RegisterRegister(asm.MOVE, register, variable.Register)
+		if register != variable.Register {
+			f.Assembler.RegisterRegister(asm.MOVE, register, variable.Register)
+		}
+
 		return nil
 
 	case token.Number: