Date: Fri, 22 Oct 93 14:02:09 CDT
From: gcouger AT olesun DOT agen DOT okstate DOT edu (Gordon Couger)
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Graphics

Help please. I can only get 320 x 200 graphics and 8 colors.
running a 486 50 with a direct vido bus using Tseng chips.
The program, autoexec and config.sys follow.
compile with gcc a.c -v -g -lpc -lgr -lm
and use go32t a.out to run the program.
Thanks 
Gordon 

#include <graphics.h>
#include <stdlib.h>
#include <pc.h>

int X;
int Y;

void setup()
{
  int i;
  int t_r, t_g, t_b;
  int o_r=0, o_g=0, o_b=0;
  int j=0;
  for (i=2; i<256; i++)
     GrSetColor(i, (i&1)*255, (i&2)*127, (i&4)*63);
  }


main()
{
int x,y;
  srandom(time(0));
  GrSetMode(GR_biggest_graphics);
  setup();
  X = GrMaxX();
  Y = GrMaxY();
  GrLine(1,1,50,50,GrWhite());
  getch();
  printf("%d %d\n",X,Y);
  getch();
  for(x=0; x<X; x++)
    for(y=0; y<Y; y++)
   GrPlot(x,y,x*y%256);       
  getkey();
  GrSetMode(GR_default_text);
}

DEVICE=C:\DOS\HIMEM.SYS
DEVICE=C:\DOS\emm386.exe 
device = c:\dos\ansi.sys
FILES=20
buffers = 20
STACKS=9,256
rem DEVICE= eansi.sys
SHELL =C:\COMMAND.COM C:\ /E:600 /P



C:\DOS\SMARTDRV.EXE
PROMPT $p$g
set COMPILER_PATH=c:/djgpp/bin
set C_INCLUDE_PATH=c:/djgpp/include
set CPLUS_INCLUDE_PATH=c:/djgpp/cplusinc;c:/djgpp/include
set OBJC_INCLUDE_PATH=c:/djgpp/include
set OBJCPLUS_INCLUDE_PATH=c:/djgpp/include
set LIBRARY_PATH=c:/djgpp/lib
set TMPDIR=c:/tmp
set GO32TMP=c:/tmp
set GO32 = ansi driver c:/djgpp/drivers/tseng4k.grd gw 1024 gh 768
rem set BISON_SIMPLE=c:/djgpp/lib/bison.simple
rem set BISON_HAIRY=c:/djgpp/lib/bison.hairy
renm set FLEX_SKELETON=c:/djgpp/lib/flex.skeleton
PATH = C:\djgpp\BIN;c:\borlandc\bin;C:\;C:\DOS;
C:
CD \djgpp\SOURCE
SET TEMP=C:\DOS
mouse