DG>   Anyone know how to put a pixel in EGA (mode 10h) video?
dg>.....
   This isn't really C++. You should get into the C echo.
/*_|_|   HAPYTRLZ.C   PUBLIC DOMAIN   by Kurt Kuzba.  (4/20/97)
_|_|_|   EGA screen functions in C, with some ASM.    ( 1 of 2)
_|_|*/
#include 
#include 
#include 
#include 
#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 350
typedef struct { int y, x; } LineEnd;
void vidmode(char mode)
{
   _asm{
      mov ah, 00h
      mov al, mode
      int 10h
   }
   return;
}
int rnd(int l, int h)
{return (int)((((long)rand()*(long)(h-l+2))-1)/(long)RAND_MAX)+l;}
void putpixel(int y, int x, int color)
{
   static int pix[8] = { 128,  64,  32,  16,   8,   4,   2,   1 };
   static int pox[8] = { 127, 191, 223, 239, 247, 251, 253, 254 };
   unsigned char far *V = (unsigned char far*)0xa0000000l;
   int bit = pix[y & 7], bitmask = pox[y & 7];
   V += (((x > 3));
   if(y = SCREEN_WIDTH || x >= SCREEN_HEIGHT)
      return;
   _asm {
      mov dx, 3ceh
      mov al, 04h
      out dx, al
      mov dx, 3c4h
      mov al, 02h
      out dx, al
      mov dx, 3cfh
      mov al, 00h
      out dx, al
      mov dx, 3c5h
      mov al, 01h
      out dx, al
   }
   if(color & 1) *V |= bit; else *V &= bitmask;
   _asm {
      mov dx, 3cfh
      mov al, 01h
      out dx, al
      mov dx, 3c5h
      mov al, 02h
      out dx, al
   }
   if(color & 2) *V |= bit; else *V &= bitmask;
   _asm {
      mov dx, 3cfh
      mov al, 02h
      out dx, al
      mov dx, 3c5h
      mov al, 04h
      out dx, al
   }
   if(color & 4) *V |= bit; else *V &= bitmask;
   _asm {
      mov dx, 3cfh
      mov al, 03h
      out dx, al
      mov dx, 3c5h
      mov al, 08h
      out dx, al
   }
   if(color & 8) *V |= bit; else *V &= bitmask;
}
/*_|_|   end   HAPYTRLZ.C   PUBLIC DOMAIN   ( 1 of 2 )*/
> ] Promoting cynicism for 100 years! ( More like 10, really )
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