MODE 2
Do
R1=Int(Rnd*10)+1
R2=Int(Rnd*10)+10
R3=Int(Rnd*10)+20
C1=Map(Int(Rnd*15)+1)
C2=Map(Int(Rnd*15)+1)
C3=Map(Int(Rnd*15)+1)
For Y=0 To 240
For X=0 To 320
Color 0: Pixel X,Y
K=X Xor Y
If K Mod R1=0 Then Color C1: Pixel X,Y
If K Mod R2=0 Then Color C2: Pixel X,Y
If K Mod R3=0 Then Color C3: Pixel X,Y
Next
Next
Loop