ASM

Lolling at programmers, how many ways are there to create a bitmask ? ;) :)
Ok people, I keep coming across different ways in source codes for creating a bit mask for a certain ammount of bits and it's kinda funnieing me out ! =D Therefore to have some fun, it's time to create a thread dedicated to creating bitmasks... how many ways are there ? So far I have come across these meth... 28 May 2010 22:30

library .dll in windows
what about one assembly .dll that use one c++ .dll that use the first assembly .dll that use ...? ... 24 May 2010 16:47

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Brain teaser: Can RLE compression work for interleaving streams ? For example R,G,B streams ?!
Say the input stream is as follows: R,G,B, R,G,B, R,G,B, R,G,B, R,G,B, R,G,B Compression: RLE for R ? RLE for G ? RLE for B ? The mission is to output it again as follows: R,G,B, R,G,B, R,G,B, R,G,B, R,G,B, R,G,B Do you believe RLE compression is possible for interleaved streams ? ;) If you do be... 21 May 2010 08:23

No lock for bt instruction ?
Hello, The intel manual "The IA-32 Intel Architecture Software Developer's Manual, Volume 2A, Instruction Set Reference, A-M, Document Number 253666 rev 19.pdf" mentions LOCK prefix is available for the BTC, BTR, BTS instructions but it doesn't mention it for BT instruction ?!? Is this correct ? Is there... 19 May 2010 14:52

ddir - Was pdBIOS32 (still is pdBIOS32)
On May 13, 10:58 pm, s_dubrov...(a)yahoo.com wrote: On May 9, 9:03 pm, Mike Gonta <mikego...(a)gmail.com> wrote: On May 9, 6:31 pm, s_dubrov...(a)yahoo.com wrote: I've written alittle ditty to check Big Memory Services Int 15h, AH=E801,E881, and E820.  E801 subroutine works, but E820 d... 18 May 2010 12:32

OS debug information
Hi I think I should use XML rather than raw data http://code.google.com/p/peter-bochs/wiki/OSDebugStandard thanks ... 10 May 2010 10:56

bigmemck - Was pdBIOS32 (still is pdBIOS32)
On May 9, 6:31 pm, s_dubrov...(a)yahoo.com wrote: I've written alittle ditty to check Big Memory Services Int 15h, AH=E801,E881, and E820.  E801 subroutine works, but E820 doesn't (yet the machine supports it). So my question is if pdBIOS32 has support for it (I'm unsure, it seems to me that all the Int xxh... 14 May 2010 00:50

QUESTION: what does "offset" mean?
Hi all, this is probably a dumb question to most folks here, in which case apologies for that. I have seen this word "offset" in hex editors and wanted to know what it means. Or to put it in other words, I know that the generic definition for the word in the english language is something like "displacement". ... 10 May 2010 21:00

The A20 story - Was pdBIOS32 (still is pdBIOS32)
On May 8, 4:13 am, James Harris <james.harri...(a)googlemail.com> wrote: IIRC port 0x92 (fast a20) is not safe to use on all machines. Hi James, Those are probably old hard to find machines. Does the code carry out some sort of check before it tries the port? I've seen no examples of checking first and... 9 May 2010 08:52