programming question

Wed Nov 12 17:59:42 EST 2008

with most,t here's not even an equiv. dos's write is totally different from 
linux's write, as far as I can remember.

Thanks,
Tyler Littlefield
email: tyler at tysdomain.com
web: tysdomain-com
Visit for quality software and web design.
skype: st8amnd2005

----- Original Message ----- 
From: "Al Sten-Clanton" <Albert.E.Sten_Clanton at verizon.net>
To: "'Speakup is a screen review system for Linux.'" 
<speakup at braille.uwo.ca>
Sent: Wednesday, November 12, 2008 3:55 PM
Subject: RE: programming question

> "you can't just convert the interupts by switching the flags. the system
> calls are way different."
>
> Yes.  I meant to suggest some equivalency, not that one wouldn't have to
> change the calls.  Not saying I was right, only that that's what I meant.
>
> Al
>
>
> -----Original Message-----
> From: speakup-bounces at braille.uwo.ca 
> [mailto:speakup-bounces at braille.uwo.ca]
> On Behalf Of Tyler Littlefield
> Sent: Wednesday, November 12, 2008 12:41 PM
> To: Speakup is a screen review system for Linux.
> Subject: Re: programming question
>
> you can't just convert the interupts by switching the flags. the system
> calls are way different.
> And no prob.
>
> Thanks,
> Tyler Littlefield
> email: tyler at tysdomain.com
> web: tysdomain-com
> Visit for quality software and web design.
> skype: st8amnd2005
>
> ----- Original Message ----- 
> From: "Al Sten-Clanton" <Albert.E.Sten_Clanton at verizon.net>
> To: "'Speakup is a screen review system for Linux.'"
> <speakup at braille.uwo.ca>
> Sent: Wednesday, November 12, 2008 9:51 AM
> Subject: RE: programming question
>
>
>> I'm in the early stages of learning assembly on my Linux box.  Feel free
>> to
>> correct me, of course, since I'm a beginner on my Linux box and never did
>> any assembly programming in DOS.  My understanding is that using
>>
>> Int 0x80
>>
>> With the appropriate number in the EAX register (and sometimes things in
>> other registers) is equivalent to the DOS interrupt routines.
>>
>> Also, Tyler, thanks for the links.  I rely on two assembly books,
>> "Assembly
>> Language Step-by-Step: Programming with DOS and Linux, Second Edition," 
>> by
>> Jeff Duntemann, and "Professional Assembly Language," by Richard Blum.  I
>> now mostly use Blum's book, because it covers more instructions and
>> because
>> it uses the GNU assembler instead of NASM.  (I much prefer the AT&T 
>> syntax
>> to Intel's.) I have these books by way of a farily expensive online
>> service,
>> though, and don't think there's a cost-free version of either.  (I do
>> believe there's at least a separate electronic version of Blum's book 
>> that
>> you can buy.) Blum's book sometimes contains poor explanations, so I hope
>> I
>> may get some additional help from one or more of the links.
>>
>> Al
>> -----Original Message-----
>> From: speakup-bounces at braille.uwo.ca
>> [mailto:speakup-bounces at braille.uwo.ca]
>> On Behalf Of Kerry Hoath
>> Sent: Wednesday, November 12, 2008 6:05 AM
>> To: Speakup is a screen review system for Linux.
>> Subject: Re: programming question
>>
>> Regarding assembler under Linux; there are a few things you should know.
>> firstly any programs you wrote in dos would need to be completely
>> rewritten,
>>
>> as Linux does not have a series of interrupt routines like dos;
>> so you can't call int 10h, int21h etc.
>> also note that Linux's memory model is flat; and does not use segment
>> registers in the way 08x86 assembler does.
>>
>> there are assemblers under Linux, you want the manpages for as86 and 
>> nasm,
>> note however that the syntax differs for Linux from dos syntax.
>>
>> Lame and flac have assembler code if you want to take a look at some.
>> Regards, Kerry.
>>
>> ----- Original Message ----- 
>> From: "Bruce Noblick" <brunobrook at columbus.rr.com>
>> To: "speakup info" <speakup at braille.uwo.ca>
>> Sent: Wednesday, November 12, 2008 10:10 AM
>> Subject: programming question
>>
>>
>>>A few years ago, I took a unix course.  We connected to a linux box to do
>>>most of our work.  During that class I found some man pages on the 
>>>subject
>>>I am going to ask about now.  I remember being very qhrilled with this
>>>information.  Now that I have my own linux box, I can't find these man
>>>pages on it.  I am looking for information on assembler language
>>>programming.  I have programs that I have written for DOS and Windows 
>>>that
>>>I would like to port to linux and they are written in Assembler language.
>>>
>>> Thanks!
>>>
>>> Bruce Noblick
>>>
>>>
>>>  Those who revered the Lord spoke to one another, and the Lord listened
>>> attentively. A memory book was prepared before Him in which were 
>>> recorded
>>> the names of those who respected the Lord and honored His name.
>>>
>>>  "They will belong to Me," says the Lord who rules over all, "in the day
>>> when I prepare My own special property. I will spare them as a man 
>>> spares
>>> his son who serves him."
>>>
>>> Malachi 3:16-17
>>>
>>> See my web page for contact info and a lot more.
>>> Here is the address.
>>> HTTP://HOME.COLUMBUS.RR.COM/bnoblick
>>> If the above line does not act like a link, try cutting and pasting it 
>>> to
>>> your browser.
>>>
>>> _______________________________________________
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>>
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