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|    comp.lang.asm.x86    |    Ahh, the lost art of x86 assembly    |    4,675 messages    |
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|    Message 3,599 of 4,675    |
|    Alexei A. Frounze to Mateusz Viste    |
|    Re: EXE program stack setup questions    |
|    16 Oct 18 03:19:00    |
      From: alexfrunews@nospicedham.gmail.com              On Tuesday, October 16, 2018 at 3:10:06 AM UTC-7, Mateusz Viste wrote:       > On Tue, 16 Oct 2018 11:44:43 +0200, Terje Mathisen wrote:       > > For a Tiny model program, i.e. COM file, you cannot control this, you       > > will effectively always get a single 64K segment with SP pointing at a       > > 16-bit word == 0000.       >       > This may be a stupid question, but is the COM-allocated segment really       > guaranteed to be 64K in size? What if the largest contiguous available       > memory block is only, say, 48K in size? Would DOS refuse to load it       > instead of using whatever is possible?              It will happily load a .COM program into less than 64KB.       I've seen it happen. I haven't checked how much of space       it would reserve for the stack though.              Alex              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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