mode 1,8
cls

circle 200,200,150
circle 300,200,150
circle 250,275,150

print @(0,500) "Press a key to fill the center with WHITE..."
do : loop until inkey$ <> ""

pixel fill 250,250,rgb(white)

void floodFillScanline(int x, int y)
{
 if(filloldcolour == ConvertedColour) return;
 if(ReadPixelFast(x,y) != filloldcolour) return;

 int x1, xe, xs;

 //draw current scanline from start position to the right
 x1 = x;
 xe = -1;
 while(x1 < fillmaxW && ReadPixelFast(x1, y) == filloldcolour)
 {
xe=x1;
   x1++;
 }
 if(xe != -1){
 DrawHLineFast(x,y,xe,ConvertedColour);
 }
 //draw current scanline from start position to the left
 x1 = x - 1;
 xs = -1;
 while(x1 >= 0 && ReadPixelFast(x1, y) == filloldcolour)
 {
xs = x1;
   x1--;
 }
 if(xs!=-1){
 DrawHLineFast(xe,y,x-1,ConvertedColour);
 }

 //test for new scanlines above
 x1 = x;
 if(xe!=-1){
 while(x1 <= xe)
 {
if(y > 0 && ReadPixelFast(x1, (y - 1)) == filloldcolour)
{
 floodFillScanline(x1, y - 1);
}
x1++;
 }
 }
 x1 = x - 1;
 if(xs!=-1){
 while(x1 >= xs )
 {
if(y > 0 && ReadPixelFast(x1, (y - 1)) == filloldcolour)
{
 floodFillScanline( x1, y - 1);
}
x1--;
 }
 }

 //test for new scanlines below
 x1 = x;
 if(xe!=-1){
 while(x1 <= xe)
 {
if(y < fillmaxH - 1 && ReadPixelFast(x1, (y + 1)) == filloldcolour)
{
 floodFillScanline( x1, y + 1);
}
x1++;
 }
 }
 x1 = x - 1;
 if(xs!=-1){
 while(x1 >= xs)
 {
if(y < fillmaxH - 1 && ReadPixelFast(x1, (y + 1)) == filloldcolour)
{
 floodFillScanline(x1, y + 1);
}
x1--;
 }
 }
}

mode 1,8
cls

circle 200,200,150
circle 300,200,150
circle 250,275,150

text 250,240,"Awesome!","CB",,,rgb(red)

line 240,200,260,200,,rgb(blue)
line 240,202,260,202,,rgb(blue)
line 249,180,249,222,,rgb(blue)
line 251,180,251,222,,rgb(blue)

print @(0,500) "Press a key to fill the center with WHITE..."
do : loop until inkey$ <> ""

pixel fill 250,250,rgb(white)

if(xs!=-1){
DrawHLineFast(xe,y,x-1,ConvertedColour);
}

> option list
CURRENT VGA mode 800x600 RGB332
CURRENT DISPLAY 50,100
OPTION USBKEYBOARD US
OPTION KEYBOARD REPEAT 400,30