maybe this ??
// Project: TEST
// Created: 2019-09-10
// show all errors
SetErrorMode(2)
// set window properties
SetWindowTitle( "TEST" )
SetWindowSize( 1024, 768, 0 )
SetWindowAllowResize( 1 ) // allow the user to resize the window
// set display properties
SetVirtualResolution( 1024, 768 ) // doesn't have to match the window
SetOrientationAllowed( 1, 1, 1, 1 ) // allow both portrait and landscape on mobile devices
SetSyncRate( 30, 0 ) // 30fps instead of 60 to save battery
SetScissor( 0,0,0,0 ) // use the maximum available screen space, no black borders
v=255
for i=255 to 1 step -1
v=v-1
coul1=MakeColor(255,v,0)
DrawEllipse(1024/2,768/2,i,(i/2),coul1,coul1,1)
Next i
Sync()
do
loop
Carpe Diem