At 19:25 02/26/99 +0100, Josef Hanzal wrote:
>I would like to have macro, which behaves differently when argument is
>defined and when it is not. The manual says, that argument which is omitted
>equals to an empty string, but I cannot find a way, how to test for string
>lenght. Has someone already solved this? I tried the following way, but it
>is not working, as there is no substitution for MENUITEM in the IFDEF
>statement when macro is invoked. I tried several more complicated ways, but
>no good results so far. Any suggestions? MPASM 2.15
>
>STRING  MACRO   STR,MENUITEM
>STR#V(STRNO):   DT STR,0
> IFDEF  MENUTITEM
>MENUITEM:       EQU STRNO
> ENDIF
>        ENDM

i'm not really familiar with mpasm, but a few things caught my eye:

>MENUITEM:       EQU STRNO

shouldn't that be without colon?


> IFDEF  MENUTITEM

if it says that the "argument which is omitted equals to an empty string"
you maybe could try something like

IF MENUITEM = ""

or

IF "MENUITEM" = ""

your version asks whether the item is defined, and if it is an empty
string, it may as well be =defined= as an empty string...

ge