HEX math: Add 1 to HEX number

[charon]

How can I add 1 to a HEX number.  I just need to turn this "00204070F484" into this: "00204070F485" and must be zero padded

 

I guess I could just get the last digit and add 1 to it as long as it is not an "F". 

#include <MsgBoxConstants.au3>

; Assign a Local variable the hex number representation of 1033.
;Local $iHex1 = Hex(00204070F484, 12)

$x = "0x204070F484"
;$x = 00204070F484
$y = "0x1"
$z = $x + $y

; Display the result.
MsgBox($MB_SYSTEMMODAL, "", $z)

[Danp2]

#include <MsgBoxConstants.au3>

Local $x = "00204070F484"
Local $y = Dec($x) + 1
Local $z = Hex($y, StringLen($x))

; Display the result.
MsgBox($MB_SYSTEMMODAL, "", $z)

[Melba23]

Charon,

Like this:

#include <MsgBoxConstants.au3>

; Assign a Local variable the hex number representation of 1033.
$x = 0x204070F484
$x += 1

; Display the result.
MsgBox($MB_SYSTEMMODAL, "", "0x" & Hex($x, 10))

M23