possible fix for multi screen single GPU stuff

modules/drivers/vt52.lua

@@ -24,9 +24,8 @@ function tty(gA,sA,sI,fg,bg)
   gP.setBackground(bG)
  end
  local function wl(str)
-  if gP.cs ~= sA then
+  if gP.getScreen() ~= sA then
    gP.bind(sA)
-   gP.cs = sA
   end
   local cm = 0
   for c in str:gmatch(".") do