diff --git a/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt b/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt
index dcfa235cc..19fda1f69 100644
--- a/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt
+++ b/codeGenCpu6502/src/prog8/codegen/cpu6502/AsmGen.kt
@@ -26,7 +26,7 @@ class AsmGen6502: ICodeGeneratorBackend {
             errors.warn("EXPERIMENTAL RPN EXPRESSION NODES ARE USED. CODE SIZE+SPEED WILL SUFFER.", Position.DUMMY)
         }
 
-        printAst(program, true) { println(it) }
+        // printAst(program, true) { println(it) }
 
         val asmgen = AsmGen6502Internal(program, symbolTable, options, errors)
         return asmgen.compileToAssembly()
diff --git a/docs/source/todo.rst b/docs/source/todo.rst
index 70c167a00..bee8b8c60 100644
--- a/docs/source/todo.rst
+++ b/docs/source/todo.rst
@@ -1,5 +1,7 @@
 TODO
 ====
+replace RPN by something that actually works and is efficient...
+
 RPN: assembler fails selftest (something with output file name extension being wrong!)
 RPN: swirl is MUCH slower
 RPN: wizzine is slightly slower