/*Copyright (C) Aleksandr G. Chukhlebov...
...alexc@miacom.net
SGFX...6 function BASM unit for Borland Turbo C++ 3.0
...X,Y...640x480
...x256 color
...
message: does any one know how to write a pixel directly to the video
memory?
*/
#include
#include
//------------------------------------------------------------------------
int getmaxx(void)
{
return 639;
}
//------------------------------------------------------------------------
int getmaxy(void)
{
return 479;
}
//------------------------------------------------------------------------
int getmaxcolor(void)
{
return 255;
}
//------------------------------------------------------------------------
void setsvga(void)
{
asm mov ax,0x4f02;
asm mov bx,0x101;
asm int 0x10;
}
//------------------------------------------------------------------------
void settext(void)
{
asm mov ax,0x0003;
asm int 0x10;
}
//------------------------------------------------------------------------
void putpixel(unsigned int x,unsigned int y,unsigned char color)
{
asm mov ah,0x0c;
asm mov al,color;
asm mov cx,x;
asm mov dx,y;
asm mov bx,0x01;
asm int 0x10;
}
//------------------------------------------------------------------------
void main(void)
{
setsvga();
randomize();
do
{
putpixel(random(getmaxx()),
random(getmaxy()),
random(getmaxcolor()));
}
while(!kbhit());
settext();
}