RosettaCodeData/Task/Colour-bars-Display/XPL0/colour-bars-display.xpl0

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include c:\cxpl\codes; \intrinsic code declarations
int W, X0, X1, Y, C;
[SetVid($13); \320x200x8 graphics
W:= 320/8; \width of color bar (pixels)
for C:= 0 to 8-1 do
[X0:= W*C; X1:= X0+W-1;
for Y:= 0 to 200-1 do
[Move(X0, Y); Line(X1, Y, C)];
];
C:= ChIn(1); \wait for keystroke
SetVid(3); \restore normal text mode
]