Something

alias e {
  var %ticks $ticks
  if ([ [ $1- ] ] != $null) { msg $active 13,1 $+ $chr(91) $+ 0 $1- 13 $+ $chr(93) $+ 13 ==0 [ [ $1- ] ] 13-0 $calc($ticks - %ticks) $+ ms }
  else { msg $active 13,1 $+ $chr(91) $+ 0 $1- 13 $+ $chr(93) $+  == $ $+ null - $calc($ticks - %ticks) $+ ms }
  :error
  var %temperr = $error
  if (%temperr) { msg $active 13,1 $+ $chr(91) $+ 0 $1- 13 $+ $chr(93) $+ 03 == 0 $+ $gettok($gettok($gettok(%temperr,1-,32),2,58),1,32) $+  - $remove($gettok(%temperr,1,58),*)  - $calc($ticks - %ticks) $+ ms }
  reseterror
  haltdef
}