Blitz Max Game Framework Demo!

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Grey Alien
 #1
Shambler: Try this is BlitzMax:

Strict

Graphics 800,600,32,60

Local s =100

Local x=0-s
Local y = 300
Local Sync = -1

While Not KeyHit(KEY_ESCAPE)
	Cls
	DrawRect x,y,s,s
	DrawText "Flip "+Sync,0,0
	Flip Sync
	
	x=x+5
	If x > 800 Then x = 0-s
	
	If KeyHit(KEY_SPACE) Then
		Sync = Sync + 1
		If Sync = 2 Then Sync = -1
	EndIf
	
Wend


It's smooth on my PC, but jerky on the laptop. This proves the jerking is BlitzMax/Driver issue not my engine (phew). If you are moving at one pixel per frame it should be perfect, but it is not, how strange!