diff --git a/halyde/apps/helpdb/rtest.txt b/halyde/apps/helpdb/rtest.txt
new file mode 100644
index 0000000..04b4173
--- /dev/null
+++ b/halyde/apps/helpdb/rtest.txt
@@ -0,0 +1 @@
+Ergonomics
\ No newline at end of file
diff --git a/halyde/apps/rtest.lua b/halyde/apps/rtest.lua
new file mode 100644
index 0000000..afc9993
--- /dev/null
+++ b/halyde/apps/rtest.lua
@@ -0,0 +1,6 @@
+local raster = import("raster")
+local ANSIColorPallete = import("halyde.core.termlib.lua").ANSIColorPalette
+
+raster.drawPixel(4, 3, ANSIColorPallete["bright"][3])
+raster.drawPixel(40, 34, nil, ANSIColorPallete["bright"][4])
+raster.drawPixel(3, 3)
\ No newline at end of file
diff --git a/halyde/core/boot.lua b/halyde/core/boot.lua
index 50f2b63..bdf6166 100644
--- a/halyde/core/boot.lua
+++ b/halyde/core/boot.lua
@@ -1,7 +1,7 @@
 local loadfile = ...
 local filesystem = loadfile("/halyde/lib/filesystem.lua")(loadfile)
 
-_G._OSVERSION = "Halyde 0.8.2"
+_G._OSVERSION = "Halyde 0.8.3"
 
 function _G.import(module, ...)
   local args = table.pack(...)
diff --git a/halyde/lib/raster.lua b/halyde/lib/raster.lua
index 8b13789..4d27acb 100644
--- a/halyde/lib/raster.lua
+++ b/halyde/lib/raster.lua
@@ -1 +1,15 @@
+function drawPixel(x, y, bg, fg)
+    mergePixels(x, y, bg, fg)
+end
 
+function mergePixels(x, y, bg, fg)
+    -- get original character for "merging"
+    local original = gpu.get(x, y)[0]
+    if bg ~= nil then gpu.setBackground(bg) end
+    if fg ~= nil then gpu.setForeground(fg) end
+    
+end
+
+function XY2Braille(x, y)
+    return math.floor(x/2), math.floor(y/4)
+end
\ No newline at end of file