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Subject: Re: Issue with MPL script Date: Fri Jan 07 2022 03:29 pm
From: g00r00 To: LEE WESTLAKE

 LW> I'm currently having a play around with MPL scripts (A46 Win32) and
 LW> appear to have run into an issue regarding the 'KeyPressed/ReadKey'
 LW> functions in the following code:

My first suggestion would be to update to the A47 release since I no longer
have the A46 code to make a fix if we do determine a bug exists.  It could be
something fixed in A47 as well.

 LW>   gExitFlag := false;
 LW>   repeat
 LW>     write('|[X00|[Y00' + int2str(gCount));
 LW>     gCount := gCount + 1;
 LW>     if (keypressed()) then
 LW>       begin
 LW>         if ('q' = readkey()) then
 LW>           gExitFlag := true;
 LW>       end
 LW>   until gExitFlag = true;

Assuming you're not trying to do more than what you're showing here you could
simplify this with a single line like:

Repeat Until OneKey('Q') = 'Q';

Or

Repeat Until UpCase(ReadKey) = 'Q';

In any case, if you are going to loop like you are there I would suggest
putting some minor delay in there so as to not blow up your CPU usage.  Maybe a 
delay(10) at the bottom of the repeat loop.

... Some people have no idea what they're doing, and are really good at it!

--- Mystic BBS v1.12 A47 2021/12/25 (Windows/64)
 * Origin: Sector 7 * Mystic WHQ (1:129/215)

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