@main[]
^do(999)
^do(1002)

@do[iCount]
${iCount}:
^try-catch-comment{
	^rem{ '\2' because of if+call on every iteration, '-2' because of do+try }
	^call($iCount\2-2)
	OK
}
<br />

@call[iLevel]
$iLevel($iLevel-1)
^if($iLevel>0){
	^call[$iLevel]
}