"Kixtart Version: " @KIX ?
"Test one - catenate character on stack then display (no variable assignment)" ?
Chr(151)+Chr(151)+Chr(151) ?
 
"Test two = Catenate character on stack then assign to variable" ?
$foo=Chr(151)+Chr(151)+Chr(151)
"'"+$foo+"'=" while $foo Asc($foo) " " $foo=SubStr($foo,2) Loop ?
 
"Test three = Catenate character to variable one at a time" ?
$bar=Chr(151)
$bar=$bar+Chr(151)
$bar=$bar+Chr(151)
"'"+$bar+"'=" while $bar Asc($bar) " " $bar=SubStr($bar,2) Loop ?
 
"Test four - ASC / CHR on stack only (no variable assignment)" ?
"Asc(Chr(151))=" Asc(Chr(151)) ?