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From:	hudoshin AT gmail DOT com
Newsgroups:	comp.os.msdos.djgpp
Subject:	there is problem, can help?
Date:	22 Nov 2005 08:23:20 -0800
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Hi All !
here is code:
------------------------------------------------------------------
#include <allegro.h>
#include <conio.h>
#include <stdio.h>
#include <unistd.h>

int main()
{
///////////////////
FILE * fi;
int fid;
int ferr;
fi = fopen("c:\\aaa","wt");
fid= fileno(fi);
ferr = fileno(stderr);
close(ferr);
dup2(fid,ferr);
 ///////////////////
  allegro_init();
  int err;
  err=set_gfx_mode(GFX_AUTODETECT,640,480,0,0);
  perror(allegro_error);
  if(err==0)  rectfill(screen,0,0,639,479,makecol(255,0,0));
  getch();
  allegro_exit();
}
-----------------------------------------------------------------------------------------
here is result:
-----------------------------------------------------------
VESA function 0x4F02 failed: No such file or directory (ENOENT)
Shutting down Allegro
Exiting due to signal SIGSEGV
Page fault at eip=00001f98, error=0004
eax=00000000 ebx=00000000 ecx=00000000 edx=00000000 esi=00000054
edi=0008cce4
ebp=0010cc78 esp=0010cc60 program=c:\uni256\UNI256.EXE
cs: sel=00a7  base=10000000  limit=0011ffff
ds: sel=00af  base=10000000  limit=0011ffff
es: sel=00af  base=10000000  limit=0011ffff
fs: sel=00bf  base=00000000  limit=0010ffff
gs: sel=00bf  base=00000000  limit=0010ffff
ss: sel=00af  base=10000000  limit=0011ffff
App stack: [0010cce4..0008cce4]  Exceptn stack: [0008cc3c..0008acfc]

Call frame traceback EIPs:
  0x00001f98
  0x000020b5
  0x00064988
----------------------------------------------------------------------
sense:
on usual PC works fine:-)
but  on industrial PC (STPC) gives result brought above,
truth there there is controller of the light node (CLN), but for
but for programming this no difference
though CRT registers were reprogramming for some mode VESA
this CLN has digital matrix with resolution 320x240
practically all have tried,
CAN BE THERE IS INTERESTING THOUGHT?!
hope and wait, truly yours Wert

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