Hi!
27-Фев-2004 16:22 [EMAIL PROTECTED] (maintainer freedospg) wrote to
[EMAIL PROTECTED]:
mf> --- "Arkady V.Belousov" <[EMAIL PROTECTED]>
For me this is unimportant (anyway my mailbox already filled by 90% of
spam), but don't quote others emails!
>> mf> I want to know if there is a way to release memory
>> mf> from the unused heap to the OS when I shell out?
>> mf> but memory was not released. Turbo C 2.01, small model.
>> helpme!.doc from BC3.1 packages contains question "How do I change the
>> stack size". Beside _stklen, BC3.1 help files describes _heaplen variable.
>> Tiny � 256 + Code + Global Data + Heap + Stack
>> Small � Global Data + Heap + Stack
>> > � In the small and medium models, the size of the heap can be adjusted
>> > with _heaplen and the size of the stack can be adjusted with _stklen.
mf> I'm not sure if other memory models will cause
mf> problems to the assembly routines using global variables.
They shouldn't. For me they don't cause any problems. But why _now_ you
talk about assembly routines?
mf> It is tempting to save 40k but the effort...
How you "tempting"?
mf> Turbo C 2.01 helpme!.doc illustrated to use a global
mf> extern unsigned _stklen = 10k;
Yes.
mf> I changed some other values, but same result.
How you measure? Doy you change the _heaplen variable?
mf> I don't have BC 3.1, to test _heaplen, so no report.
TC, probably, have the same variable. If you send me source of startup
file from TC (C0.ASM), the I say you precisely.
mf> I wonder if I should move the MCB as well,
You can't, or you destroy image of your program.
mf> and adjust the value in offset 3..4 accordingly before INT 21H, AH=4AH.
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