🚀 go-pugleaf

those versions of pasal don't work woth recursion though do they?

Bob wrote in message <3780BAA0.E304087D@unsw.edu.au>...
>Mike Copeland wrote:
>
>>    First, Turbo Pascal 7.0 has access only to Real Memory - the 640K
>> in which programs execute.  You can allocate and use several pages of
>> 64KB of Heap data, using pointers, and the total amount of Heap is
>> dependent on several factors:
>>   1. Whether or not you're executing your program in the TP IDE (not a
>> good way to do it if you're using pointers or making Exec calls);
>>   2. How much Real Memory is being allocated to the DOS process you're
>> running.  I don't know how NT does it, but you need to maximize this
>> value...and you should be working with 600K+ to have maximum resources
>> available;
>>   3. The value MemAvail returns when you call it as your program executes
>> (affected by whatever's running when you execute your program);
>>   4. The treatment of pointers which have been used and aren't needed any
>> more - are you releasing them?
>>    All told, you should be able to use at least 400K of Heap memory (in
>> 64KB chunks), providing you deal correctly with the above issues.
>>    You can also use Overlays, to make your program smaller and make even
>> more Heap memory available...depending on the application, of course.
>>    Most of all, _don't_ run your program in the IDE, because it consumes
>> an enormous amount of Real Memory while it's in execution - it doesn't
>> swap out when your compiled program executes.  Compile to Disk and
>> execute it as a DOS application.
>
>  The easiest way to get around these limitations would be to use a
>32-bit compiler such as p32 or tmt-pascal, however if you don't want to
>(or can't) use these, then you could try using EMS. EMS is one way that
>has been developed to utilise the memory above the 1 meg limit.
>
>  I'm not sure if tp7 can handle pointers to EMS memory or anything
>(i've never used it myself), but Telemachos of Peroxide has produced a
>tutorial on how to use EMS (it is aimed towards graphic programs, but i
>guess the principle is the same). It's called PXDTUT2.ZIP, you sould
>find it if you search altavista or whatever.
>
>  Hope this helps ...
>
> - Bob