fixed code gen issue for uword >= comparison

codeGeneration/src/prog8/codegen/target/cpu6502/codegen/AsmGen.kt

@@ -2822,6 +2822,7 @@ $label              nop""")
                     if(rightConstVal.number.toInt()!=0) {
                         assignExpressionToRegister(left, RegisterOrPair.AY)
                         code("#>${rightConstVal.number.toInt()}", "#<${rightConstVal.number.toInt()}")
+                        return
                     }
                 }
             }

docs/source/todo.rst

@@ -3,7 +3,6 @@ TODO
 
 For next compiler release (7.7)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-- perhaps also optimize testNonzeroComparisonAndJump() ?
 - copying floats around: do it with a subroutine rather than 5 lda/sta pairs .
   is slower but floats are very slow already anyway and this should take a lot less program size.
   -> assignVariableFloat()  + assignConstantFloat()