YAPC::EU 2018 Glasgow Update!

Task/Image-noise/FreeBASIC/image-noise.freebasic

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+' version 13-07-2018
+' compile with: fbc -s console
+'           or: fbc -s gui
+
+' hit any to key to stop program
+
+Randomize Timer
+Screen 13
+
+If ScreenPtr = 0 Then
+    Print "Error setting video mode!"
+    End
+End If
+
+Palette 0, 0                  ' black
+Palette 1, RGB(255, 255, 255) ' white
+
+Dim As UInteger c, x, y, Col
+Dim As Double fps, t = Timer
+
+' empty keyboard buffer
+While InKey <> "" : Wend
+
+While InKey = ""
+
+    For x = 0 To 319
+        For y = 0 To 199
+            ' color is as integer, a float gets rounded off by FreeBASIC
+            PSet(x, y), Rnd
+        Next
+    Next
+    c += 1
+    fps = c / (Timer - t)
+    WindowTitle "fps = " + Str(fps)
+
+Wend