diff --git a/README.md b/README.md
index 31932cc..c5e6379 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ Untested.
 Actually done:
  * Color
  * Controls
+ * Debug
  * dsUser
  * Font
  * Image
@@ -14,6 +15,7 @@ Actually done:
  * Motion
  * Rumble
  * screen
+ * ScrollMap
  * Sprite
  * System
  * Timer
diff --git a/uCompat/Debug.lua b/uCompat/Debug.lua
new file mode 100644
index 0000000..800aa5c
--- /dev/null
+++ b/uCompat/Debug.lua
@@ -0,0 +1,61 @@
+--[[
+		Debug Images related µLua compatibility layer/lib for ctrµLua
+]]
+
+-- Module
+
+Debug = {}
+
+Debug.isDebugOn = false
+Debug.listText = {}
+Debug.debugText = ""
+Debug.debugColor = Color.new(31, 31, 31)
+
+function Debug.ON()
+	Debug.isDebugOn = true
+	Debug.clear()
+end
+
+function Debug.OFF()
+	Debug.isDebugOn = false
+end
+
+Debug.print = function(text,aff)
+	local i
+	if(text == nil) then text = "<nil>"
+	elseif(text == true) then text = "TRUE"
+	elseif(text == false) then text = "FALSE"
+	elseif(type(text) == "table") then text = "<"..tostring(text).."["..table.maxn(text).."]>"
+	elseif(type(text) == "userdata") then text = "<"..tostring(text)..">"
+	elseif(type(text) == "function") then text = "<"..tostring(text)..">"
+	elseif(type(text) == "thread") then text = "<"..tostring(text)..">"
+	end
+	if(aff ~= nil) then
+		if(aff ~= true) then aff = false end
+	end
+	if(#Debug.listText == 21) then
+		for i=1,20 do
+			Debug.listText[i] = Debug.listText[i+1]
+		end
+		Debug.listText[21] = text
+	else
+		Debug.listText[#Debug.listText] = text
+	end
+	Debug.debugText = ""
+	for i = 1,#Debug.listText do
+		Debug.debugText = (Debug.debugText..Debug.listText[i].."\n")
+	end
+	if aff then render() end
+end
+
+Debug.setColor = function(color)
+	assert(color ~= nil, "Color can't be null")
+	Debug.debugColor = color
+end
+
+Debug.clear = function()
+	local i
+	for i = 1,#Debug.listText do
+		table.remove(Debug.listText,1)
+	end
+end
diff --git a/uCompat/Map.lua b/uCompat/Map.lua
index 0f7976d..21eeb7f 100644
--- a/uCompat/Map.lua
+++ b/uCompat/Map.lua
@@ -32,7 +32,7 @@ function Map.draw(scr, m, x, y, w, h)
 	local stack = screen.getStack(scr)
 	local offsetX, offsetY = screen.offset()
 	
-	stack[#stack+1] = {"map", m, {offsetX+(x*math.floor(m.scrollX*m.tileWidth)), offsetY+(y*math.floor(m.scrollY*m.tileHeight))}}
+	stack[#stack+1] = {"map", m.map, {offsetX+(x*math.floor(m.scrollX*m.tileWidth)), offsetY+(y*math.floor(m.scrollY*m.tileHeight))}}
 end
 
 function Map.scroll(m, x, y)
diff --git a/uCompat/ScrollMap.lua b/uCompat/ScrollMap.lua
new file mode 100644
index 0000000..51510e7
--- /dev/null
+++ b/uCompat/ScrollMap.lua
@@ -0,0 +1,48 @@
+--[[
+		Scrollps related µLua compatibility layer/lib for ctrµLua
+]]
+
+-- Local
+
+map = require("ctr.gfx.map")
+
+-- Module
+
+require("uCompat.screen")
+
+ScrollMap = {}
+
+function ScrollMap.new(image, mapFile, width, height, tileWidth, tileHeight)
+	local m = map.load(mapFile, image.texture, tileWidth, tileHeight)
+	return {
+		map = m,
+		scrollX = 0,
+		scrollY = 0,
+		tileWidth = tileWidth,
+		tileHeight = tileHeight,
+	}
+end
+
+function ScrollMap.destroy(m)
+	m.map:destroy()
+end
+
+function ScrollMap.draw(scr, m)
+	local stack = screen.getStack(scr)
+	local offsetX, offsetY = screen.offset()
+	
+	stack[#stack+1] = {"map", m.map, {offsetX+m.scrollX, offsetY+m.scrollY}}
+end
+
+function ScrollMap.scroll(m, x, y)
+	m.scrollX = x
+	m.scrollY = y
+end
+
+function ScrollMap.setTile(m, x, y, t)
+	m.map:setTile(x, y, t)
+end
+
+function ScrollMap.getTile(m, x, y)
+	return m.map:getTile(x, y)
+end
diff --git a/uCompat/init.lua b/uCompat/init.lua
index efe0c9f..aec04c7 100644
--- a/uCompat/init.lua
+++ b/uCompat/init.lua
@@ -15,9 +15,11 @@ ULUA_BOOT_FULLPATH = (ULUA_DIR..ULUA_BOOT_FILE)
 -- Other libs
 require("uCompat.screen")
 require("uCompat.Color")
+require("uCompat.Debug")
 require("uCompat.Font")
 require("uCompat.Image")
 require("uCompat.Map")
+require("uCompat.ScrollMap")
 require("uCompat.Timer")
 require("uCompat.Sprite")
 require("uCompat.Controls")
diff --git a/uCompat/screen.lua b/uCompat/screen.lua
index 02a1654..833dfc9 100644
--- a/uCompat/screen.lua
+++ b/uCompat/screen.lua
@@ -77,9 +77,22 @@ function stopDrawing()
 		fpstime = ctr.time()
 		fpscount = 0
 	end
+
+	-- Debug
+	
+	if Debug and Debug.isDebugOn then
+		local buffer="FPS: "..NB_FPS
+		local xx=255-(string.len(buffer)*6)
+		screen.print(SCREEN_UP,171,152,"RAM : "..math.floor(collectgarbage("count")).."ko.",Debug.debugColor)
+		screen.print(SCREEN_UP,171,162,"VRAM: "..System.CurrentVramFree().."o.",Debug.debugColor)
+		screen.print(SCREEN_UP,171,172,"PRAM: "..System.CurrentPalFree().."o.",Debug.debugColor)
+		screen.print(SCREEN_UP,171,182,"FPS : "..NB_FPS,Debug.debugColor)
+		screen.drawTextBox(SCREEN_DOWN, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, Debug.debugText, Debug.debugColor)
+	end
 	
 	-- render
 	screen.endDrawing()
+	screen.setAlpha(ALPHA_RESET)
 end
 
 function render()
@@ -143,7 +156,7 @@ function screen.drawGradientRect(scr, x0, y0, x1, y1, color, color, color, color
 end
 
 function screen.drawTextBox(scr, x0, y0, x1, y1, text, color)
-
+	checkBuffer(scr)[#videoStack[scr]+1] = {"wrappedText", {offsetX+x0, offsetY+y0, text, x1-x0, 8, RGB2RGBA(color)}}
 end
 
 function screen.drawTexturedQuad(scr, x0, y0, x1, y1, x2, y2, x3, y3, img, sx, sy, w, h)
@@ -171,8 +184,8 @@ function screen.startDrawing2D() -- unused
 	videoStack[drawScreen] = {}
 	
 	-- As you can change the screen size, we have to re-calculate this every time.
-	offsetX = (gfx.BOTTOM_WIDTH-SCREEN_WIDTH)/2
-	offsetY = (gfx.BOTTOM_HEIGHT-SCREEN_HEIGHT)/2
+	offsetX = math.floor((gfx.BOTTOM_WIDTH-SCREEN_WIDTH)/2)
+	offsetY = math.floor((gfx.BOTTOM_HEIGHT-SCREEN_HEIGHT)/2)
 	if drawScreen == gfx.GFX_TOP then
 		offsetX = offsetX + 40
 	end