testing version of LuaBIOS and OpenOS

people were having issues getting them to work so now we promote consistency

data/OpenOS/bin/resolution.lua

@@ -0,0 +1,32 @@
+local shell = require("shell")
+local tty = require("tty")
+
+local args = shell.parse(...)
+local gpu = tty.gpu()
+
+if #args == 0 then
+  local w, h = gpu.getViewport()
+  io.write(w," ",h,"\n")
+  return
+end
+
+if #args ~= 2 then
+  print("Usage: resolution [<width> <height>]")
+  return
+end
+
+local w = tonumber(args[1])
+local h = tonumber(args[2])
+if not w or not h then
+  io.stderr:write("invalid width or height\n")
+  return 1
+end
+
+local result, reason = gpu.setResolution(w, h)
+if not result then
+  if reason then -- otherwise we didn't change anything
+    io.stderr:write(reason..'\n')
+  end
+  return 1
+end
+tty.clear()