Re: Własny program startowy

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Article #1073

#1073

From: Matuzalem
Date: Sat, 21 Apr 2007 13:11

60 lines
2608 bytes

On 21 Kwi, 00:56, AdamW <adam.wieckow...@gmail.com> wrote:
> ### CUT ###
> from sys import argv, exit
>
> def printc(c):
>     print " movw $0x%x,%%ax" % (0x0e00+c)
>     print " movw $0x7,%bx"
>     print " int $0x10"
>
> if len(argv) < 2:
>     exit()
>
> f=open(argv[1])
>
> print ".code16"
> print ".text"
>
> print ".global _start"
>
> print "_start:"
> print "sti"
> print " cld"
> print " movw $0x1202,%ax"
> print " movb $0x30,%bl"
> print " int $0x10"
> for c in f.read():
>     c = ord(c)
>     if c == 0xa:
>         printc(0x20)
>     if c == ord('\n'):
>         printc(13)
>         printc(10)
>         printc(0)
>     else:
>         printc(c)
>
> print "loop:"
> print " jmp loop"
> ### CUT ###
>
> Więc doszedłem sam do czego chciałem.
> Jak z powyższego kodu korzystać pozostawiam już Wam do obmyślenia ;).
> Dzięki za odpowiedź. Są może jakieś ciekawe materiały na temat
> programowania "surowego" kompa?
>
> Pozdrawiam

Witam

Ogólnie: www.google.com i takie słowa kluczowe jak np. 'my own
operating system', 'operating system programming', 'open source
operating system' itp.

np.:
http://my.execpc.com/~geezer/osd/index.htm

no i oczywiście wiele wiele książek jak np.:
http://helion.pl/ksiazki/anatp7.htm

Pozdrawiam

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From: Matuzalem <codemaster_@op.pl>
Newsgroups: pl.comp.lang.asm
Subject: Re: Własny program startowy
Date: 21 Apr 2007 06:11:01 -0700
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