Fixed the Stylus offset, and the FPS counter

uCompat/Controls.lua

@@ -4,6 +4,10 @@
 	Warning: this HID library will give you headaches. Really.
 ]]
 
+-- Surprise
+
+require("uCompat.screen") -- needed for the stylus offset
+
 -- Local
 
 local ctr = require("ctr")
@@ -39,6 +43,11 @@ function Controls.read()
 	end
 	
 	Stylus.X, Stylus.Y = hid.touch()
+	local offsetX, offsetY = screen.offset()
+	Stylus.X = (Stylus.X - offsetX)
+	if Stylus.X < 0 or Stylus.X > 255 then Stylus.X = stylusX end
+	Stylus.Y = (Stylus.Y - offsetY)
+	if Stylus.Y < 0 or Stylus.Y > 191 then Stylus.Y = stylusY end
 	Stylus.deltaX = (stylusX-Stylus.X)
 	Stylus.deltaY = (stylusY-Stylus.Y)
 	stylusX, stylusY = Stylus.X, Stylus.Y

uCompat/screen.lua

@@ -46,7 +46,7 @@ local fpstime = ctr.time()
 
 local function RGB2RGBA(c)
 	if not c then return nil end
-	return (c*256)+(alpha*2.55)
+	return (c*256)+math.floor(alpha*2.55)
 end
 
 local function checkBuffer(scr)
@@ -65,9 +65,12 @@ end
 function stopDrawing()
 	
 	-- FPS counter
+	if drawScreen == 0 then
 		fpscount = fpscount + 1
+	end
 	if (ctr.time() - fpstime) > 1000 then
-		NB_FPS = fpscount
+		NB_FPS = math.floor(fpscount/2) -- remove the "/2" to enjoy having "60 FPS" displayed :)
+		fpstime = ctr.time()
 		fpscount = 0
 	end
 	
@@ -193,6 +196,12 @@ function screen.waitForVBL() -- unused
 
 end
 
+-- Interface
+
+function screen.offset()
+	return offsetX, offsetY
+end
+
 -- Initialize the thing
 
 startDrawing()