chr
Returns the character with the given numeric value
[...] = optional ... = your value
[var $... = ]call chr $val=...
Example code
Show in textarea<!--parser:xtscript-->
# hex value
var $input = 0x58
var $output = call chr $val=$input
print Hex input = $input<br />
print output = $output<br />
# decimal value
var $input = 88
var $output = call chr $val=$input
print Decimal input = $input<br />
print output = $output
<!--/parser:xtscript-->
Show in textarea Example output
ReloadHex input = 0x58
output = X
Decimal input = 88
output = X