Update graphics modes

6 files changed, 650 insertions, 164 deletions

diff --git a/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-6x8px.lua b/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-6x8px.lua
index 5ebbc9c..d9c970f 100644
--- a/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-6x8px.lua
+++ b/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-6x8px.lua
@@ -1,4 +1,5 @@
 -- Information:                             --
+-- Video Mode 1 (official)                  --
 --                                          --
 -- Vertical tiles on screen and VRAM,       --
 -- can be changed by compilation,           --
@@ -35,9 +36,27 @@
 -- MODE1_FAST_VSYNC=1 (60Mhz)               --
 -- MODE1_FAST_VSYNC=0 (30Mhz)               --
 --                                          --
--- More options:                            --
--- FIRST_RENDER_LINE=20                     --
+-- Only one screen section support.         --
+--                                          --
+-- Numbers of video lines to render,        --
+-- can be changed by compilation,           --
+-- but is not recommended, changes the      --
+-- CPU cyles.                               --
+-- Default value is:                        --
 -- FRAME_LINES=SCREEN_TILES_V*TILE_HEIGHT   --
+--                                          --
+-- Fist render line is used to adjust       --
+-- vertical centering if the value          --
+-- FRAME_LINES is changed.                  --
+-- Can be changed by compilation.           --
+-- Default value is:                        --
+-- FIRST_RENDER_LINE=20                     --
+
+-- Sites:
+-- http://uzebox.org/wiki/index.php?title=Video_Modes
+-- https://github.com/Uzebox/uzebox
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode1/videoMode1.def.h
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode1/videoMode1.s
 
 return {
   screen  = {
@@ -48,6 +67,7 @@ return {
       x = 0,
       y = 0,
     },
+    -- Total of unique texels, pixels and vertices on VRAM --
     pixels   = 3145728,
     texels   =   65536,
     vertices = false,
@@ -75,40 +95,43 @@ return {
   tiles   = {
     layers = {
       {
-        -- Total tiles on VRAM --
+        -- Total tiles and pixels on VRAM --
         onVRAM         = {
           screenSections = {
             all = {
-              x     =   40,
-              y     =   28,
-              total = 1600,
+              Xtiles =    40,
+              Ytiles =    28,
+              tiles  =  1600,
+              pixels = 76800,
             },
           },
-          total          = 'screenSections',
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
         },
-        -- Total tiles on screen is same as VRAM tiles --
+        -- Total tiles and pixels on screen (is same as VRAM) --
         onScreen       = 'vram',
         -- Total of unique tiles on VRAM --
         unique         = 65536,
         screenSections = {
-          mirror  = false,
-          main    = {
-            optional = false,
+          mirror = false,
+          main   = {
+            optional    = false,
+            moveSection = false,
             {
-              startCut  = {
-                x = 0,
-                y = 0,
+              startSection = {
+                x = 'startVRAM',
+                y = 'startVRAM',
               },
-              endCut    = {
-                x = 0,
-                y = 0,
+              endSection   = {
+                x = 'endVRAM',
+                y = 'endVRAM',
               },
-              size      = {
+              size         = {
                 -- Tile size in pixels --
                 width  = 6,
                 height = 8,
               },
-              transform = {
+              transform    = {
                 move   = 'simulate',
                 rotate = false,
                 scale  = false,
diff --git a/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-8x8px.lua b/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-8x8px.lua
index 1e047e4..3520733 100644
--- a/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-8x8px.lua
+++ b/src/hardware_data/graphics/uze_atmega644_mode1_tile-size-8x8px.lua
@@ -1,4 +1,5 @@
 -- Information:                             --
+-- Video Mode 1 (official)                  --
 --                                          --
 -- Vertical tiles on screen and VRAM,       --
 -- can be changed by compilation,           --
@@ -35,9 +36,27 @@
 -- MODE1_FAST_VSYNC=1 (60Mhz)               --
 -- MODE1_FAST_VSYNC=0 (30Mhz)               --
 --                                          --
--- More options:                            --
--- FIRST_RENDER_LINE=20                     --
+-- Only one screen section support.         --
+--                                          --
+-- Numbers of video lines to render,        --
+-- can be changed by compilation,           --
+-- but is not recommended, changes the      --
+-- CPU cyles.                               --
+-- Default value is:                        --
 -- FRAME_LINES=SCREEN_TILES_V*TILE_HEIGHT   --
+--                                          --
+-- Fist render line is used to adjust       --
+-- vertical centering if the value          --
+-- FRAME_LINES is changed.                  --
+-- Can be changed by compilation.           --
+-- Default value is:                        --
+-- FIRST_RENDER_LINE=20                     --
+
+-- Sites:
+-- http://uzebox.org/wiki/index.php?title=Video_Modes
+-- https://github.com/Uzebox/uzebox
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode1/videoMode1.def.h
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode1/videoMode1.s
 
 return {
   screen  = {
@@ -48,7 +67,8 @@ return {
       x = 0,
       y = 0,
     },
-    pixels   = 3145728,
+    -- Total of unique texels, pixels and vertices on VRAM --
+    pixels   = 4194304,
     texels   =   65536,
     vertices = false,
   },
@@ -75,40 +95,43 @@ return {
   tiles   = {
     layers = {
       {
-        -- Total tiles on VRAM --
+        -- Total tiles and pixels on VRAM --
         onVRAM         = {
           screenSections = {
             all = {
-              x     =  30,
-              y     =  28,
-              total = 900,
+              Xtiles =    30,
+              Ytiles =    28,
+              tiles  =   900,
+              pixels = 57600,
             },
           },
-          total          = 'screenSections',
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
         },
-        -- Total tiles on screen is same as VRAM tiles --
+        -- Total tiles and pixels on screen (is same as VRAM) --
         onScreen       = 'vram',
         -- Total of unique tiles on VRAM --
         unique         = 65536,
         screenSections = {
-          mirror  = false,
-          main    = {
-            optional = false,
+          mirror = false,
+          main   = {
+            optional    = false,
+            moveSection = false,
             {
-              startCut  = {
-                x = 0,
-                y = 0,
+              startSection = {
+                x = 'startVRAM',
+                y = 'startVRAM',
               },
-              endCut    = {
-                x = 0,
-                y = 0,
+              endSection   = {
+                x = 'endVRAM',
+                y = 'endVRAM',
               },
-              size      = {
+              size         = {
                 -- Tile size in pixels --
                 width  = 8,
                 height = 8,
               },
-              transform = {
+              transform    = {
                 move   = 'simulate',
                 rotate = false,
                 scale  = false,
diff --git a/src/hardware_data/graphics/uze_atmega644_mode2.lua b/src/hardware_data/graphics/uze_atmega644_mode2.lua
index 1a645c2..5d601f6 100644..120000
--- a/src/hardware_data/graphics/uze_atmega644_mode2.lua
+++ b/src/hardware_data/graphics/uze_atmega644_mode2.lua
@@ -1,125 +1 @@
-return {
-  screen  = {
-    {
-      width   = 144,
-      height  = 224,
-      refresh =  60,
-      origin  = {
-        x = 0,
-        y = 0,
-      },
-    },
-    pixels   = 13824,
-    texels   =   288,
-    vertices = false,
-  },
-  colours = {
-    total       = 256,
-    limit       = false,
-    background  = true,
-    transparent = {
-      sprite = colourKey,
-      tile   = false,
-    },
-    palettes    = false,
-  },
-  meshes  = false,
-  shaders = {
-    api          = false,
-    version      = false,
-    fragment     = false,
-    vectex       = false,
-    geometry     = false,
-    tessellation = false,
-  },
-  physic  = false,
-  sprites = {
-    onScreen  = 32,
-    onLine    =  5,
-    transform = {
-      move   = true,
-      rotate = false,
-      scale  = 'verticalFlip',
-      shear  = false,
-      affine = false,
-    },
-    sizes     = {
-      {
-        width  = 6,
-        height = 8,
-      },
-    },
-  },
-  tiles   = {
-    layers = {
-      {
-        total          = {
-          x = 32,
-          y = 32,
-          1024,
-        },
-        onScreen       = {
-          {
-            725,
-          },
-        },
-        unique         = 256,
-        screenSections = {
-          mirror    = false,
-          main      = {
-            optional = false,
-            {
-              startCut  = {
-                x = 0,
-                y = 0,
-              },
-              endCut    = {
-                x = 0,
-                y = 0,
-              },
-              sizes     = {
-                {
-                  width  = 6,
-                  height = 8,
-                },
-              },
-              transform = {
-                move   = true,
-                rotate = false,
-                scale  = false,
-                shear  = false,
-                affine = false,
-              },
-            },
-          },
-          multiples = {
-            optional = true,
-            {
-              startCut  = {
-                x = 'free',
-                y = 'free',
-              },
-              endCut    = {
-                x = 'free',
-                y = 'free',
-              },
-              sizes     = {
-                {
-                  width  = 6,
-                  height = 8,
-                },
-              },
-              transform = {
-                move   = true,
-                rotate = false,
-                scale  = false,
-                shear  = false,
-                affine = false,
-              },
-            },
-          },
-        },
-      },
-    },
-  },
-}
+uze_atmega644_mode2_1-screen-section.lua
\ No newline at end of file
diff --git a/src/hardware_data/graphics/uze_atmega644_mode2_1-screen-section.lua b/src/hardware_data/graphics/uze_atmega644_mode2_1-screen-section.lua
new file mode 100644
index 0000000..e0a7817
--- /dev/null
+++ b/src/hardware_data/graphics/uze_atmega644_mode2_1-screen-section.lua
@@ -0,0 +1,162 @@
+-- Information:                             --
+-- Video Mode 2 (official)                  --
+--                                          --
+-- Vertical tiles on VRAM,                  --
+-- can be changed by compilation,           --
+-- but is not recomended.                   --
+-- Default value is:                        --
+-- VRAM_TILES_V=32                          --
+--                                          --
+-- Numbers of screen sections,              --
+-- can be changed by compilation.           --
+-- Default value is:                        --
+-- SCREEN_SECTIONS_COUNT=1                  --
+-- Only height size and position of         --
+-- screen sections can changed:             --
+-- * width size = VRAM width tiles,         --
+-- * height size = 1 to 208 pixels          --
+-- * numbers = 1 to 28 sections             --
+-- * position = X axis                      --
+--                                          --
+--                                          --
+-- Numbers of video lines to render,        --
+-- can be changed by compilation,           --
+-- but is not recommended, changes the      --
+-- CPU cyles.                               --
+-- Default value is:                        --
+-- FRAME_LINES=SCREEN_TILES_V*TILE_HEIGHT   --
+--                                          --
+-- Fist render line is used to adjust       --
+-- vertical centering if the value          --
+-- FRAME_LINES is changed.                  --
+-- Can be changed by compilation.           --
+-- Default value is:                        --
+-- FIRST_RENDER_LINE=20                     --
+
+-- Sites:
+-- http://uzebox.org/wiki/index.php?title=Video_Modes
+-- http://uzebox.org/wiki/index.php?title=Mode_2_Sprites_Guide 
+-- http://uzebox.org/wiki/index.php?title=Mode_2_ScreenSections_Guide
+-- https://github.com/Uzebox/uzebox
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode2/videoMode2.def.h
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode2/videoMode2.s
+
+return {
+  screen  = {
+    width   = 144,
+    height  = 224,
+    vsync   =  60,
+    origin  = {
+      x = 0,
+      y = 0,
+    },
+    -- Total of unique texels, pixels and vertices on VRAM --
+    pixels   = 13824,
+    texels   =   288,
+    vertices = false,
+  },
+  colours = {
+    total       = 256,
+    limit       = false,
+    transparent = {
+      sprite = colourKey,
+      tile   = false,
+    },
+    palettes    = false,
+  },
+  meshes  = false,
+  shaders = {
+    api          = false,
+    version      = false,
+    fragment     = false,
+    vectex       = false,
+    geometry     = false,
+    tessellation = false,
+  },
+  physic  = false,
+  sprites = {
+    -- Limit sprites on screen --
+    onScreen  = 32,
+    -- Limit sprites on line (scanline) without flickering --
+    onLine    =  5,
+    transform = {
+      move   = true,
+      rotate = false,
+      scale  = 'verticalFlip',
+      shear  = false,
+      affine = false,
+    },
+    -- Sprite sizes in pixels --
+    sizes     = {
+      {
+        width  = 6,
+        height = 8,
+      },
+    },
+  },
+  tiles   = {
+    layers = {
+      {
+        -- Total tiles and pixels on VRAM --
+        onVRAM         = {
+          screenSections = {
+            all = {
+              Xtiles =    32,
+              Ytiles =    32,
+              tiles  =  1024,
+              pixels = 49152,
+            },
+          },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
+        },
+        -- Total tiles and pixels on screen --
+        onScreen       = {
+          screenSections = {
+            -- On screen section with support scrolling X and/or Y, --
+            -- will be include one tile by axis                     --
+            all = {
+              Xtiles =    25,
+              Ytiles =    29,
+              tiles  =   725,
+              pixels = 34800,
+            },
+          },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
+        },
+        -- Total of unique tiles on VRAM --
+        unique         = 256,
+        screenSections = {
+          mirror   = false,
+          main     = {
+            optional    = false,
+            moveSection = false,
+            {
+              startSection = {
+                x = 'startVRAM',
+                y = 'startVRAM',
+              },
+              endSection   = {
+                x = 'endVRAM',
+                y = 'endVRAM',
+              },
+              size         = {
+                -- Tile size in pixels --
+                width  = 6,
+                height = 8,
+              },
+              transform    = {
+                move   = true,
+                rotate = false,
+                scale  = false,
+                shear  = false,
+                affine = false,
+              },
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/src/hardware_data/graphics/uze_atmega644_mode2_2-screen-sections.lua b/src/hardware_data/graphics/uze_atmega644_mode2_2-screen-sections.lua
new file mode 100644
index 0000000..18de903
--- /dev/null
+++ b/src/hardware_data/graphics/uze_atmega644_mode2_2-screen-sections.lua
@@ -0,0 +1,188 @@
+-- Information:                             --
+-- Video Mode 2 (official)                  --
+--                                          --
+-- Vertical tiles on VRAM,                  --
+-- can be changed by compilation,           --
+-- but is not recomended.                   --
+-- Default value is:                        --
+-- VRAM_TILES_V=32                          --
+--                                          --
+-- Numbers of screen sections,              --
+-- can be changed by compilation.           --
+-- Default value is:                        --
+-- SCREEN_SECTIONS_COUNT=1                  --
+-- Only height size and position of         --
+-- screen sections can changed:             --
+-- * width size = VRAM width tiles,         --
+-- * height size = 1 to 208 pixels          --
+-- * numbers = 1 to 28 sections             --
+-- * position = X axis                      --
+--                                          --
+--                                          --
+-- Numbers of video lines to render,        --
+-- can be changed by compilation,           --
+-- but is not recommended, changes the      --
+-- CPU cyles.                               --
+-- Default value is:                        --
+-- FRAME_LINES=SCREEN_TILES_V*TILE_HEIGHT   --
+--                                          --
+-- Fist render line is used to adjust       --
+-- vertical centering if the value          --
+-- FRAME_LINES is changed.                  --
+-- Can be changed by compilation.           --
+-- Default value is:                        --
+-- FIRST_RENDER_LINE=20                     --
+
+-- Sites:
+-- http://uzebox.org/wiki/index.php?title=Video_Modes
+-- http://uzebox.org/wiki/index.php?title=Mode_2_Sprites_Guide 
+-- http://uzebox.org/wiki/index.php?title=Mode_2_ScreenSections_Guide
+-- https://github.com/Uzebox/uzebox
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode2/videoMode2.def.h
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode2/videoMode2.s
+
+return {
+  screen  = {
+    width   = 144,
+    height  = 224,
+    vsync   =  60,
+    origin  = {
+      x = 0,
+      y = 0,
+    },
+    -- Total of unique texels, pixels and vertices on VRAM --
+    pixels   = 13824,
+    texels   =   288,
+    vertices = false,
+  },
+  colours = {
+    total       = 256,
+    limit       = false,
+    transparent = {
+      sprite = colourKey,
+      tile   = false,
+    },
+    palettes    = false,
+  },
+  meshes  = false,
+  shaders = {
+    api          = false,
+    version      = false,
+    fragment     = false,
+    vectex       = false,
+    geometry     = false,
+    tessellation = false,
+  },
+  physic  = false,
+  sprites = {
+    -- Limit sprites on screen --
+    onScreen  = 32,
+    -- Limit sprites on line (scanline) without flickering --
+    onLine    =  5,
+    transform = {
+      move   = true,
+      rotate = false,
+      scale  = 'verticalFlip',
+      shear  = false,
+      affine = false,
+    },
+    -- Sprite sizes in pixels --
+    sizes     = {
+      {
+        width  = 6,
+        height = 8,
+      },
+    },
+  },
+  tiles   = {
+    layers = {
+      {
+        -- Total tiles and pixels on VRAM --
+        onVRAM         = {
+          screenSections = {
+            all = {
+              Xtiles =    32,
+              Ytiles =    32,
+              tiles  =  1024,
+              pixels = 49152,
+            },
+          },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
+        },
+        -- Total tiles and pixels on screen --
+        onScreen       = {
+          screenSections = {
+            -- On screen section with support scrolling X and/or Y, --
+            -- will be include one tile by axis                     --
+            all = {
+              Xtiles =    25,
+              Ytiles =    29,
+              tiles  =   725,
+              pixels = 34800,
+            },
+          },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
+        },
+        -- Total of unique tiles on VRAM --
+        unique         = 256,
+        screenSections = {
+          mirror   = false,
+          main     = {
+            optional    = false,
+            moveSection = false,
+            {
+              startSection = {
+                x = 'startVRAM',
+                y = 'startVRAM',
+              },
+              endSection   = {
+                x = 'endVRAM',
+                y = 'endVRAM',
+              },
+              size         = {
+                -- Tile size in pixels --
+                width  = 6,
+                height = 8,
+              },
+              transform    = {
+                move   = true,
+                rotate = false,
+                scale  = false,
+                shear  = false,
+                affine = false,
+              },
+            },
+          },
+          overlay0 = {
+            optional    = true,
+            moveSection = true,
+            {
+              startSection = {
+                x = 'startVRAM',
+                y = 'free',
+              },
+              endSection   = {
+                x = 'endVRAM',
+                y = 'free',
+              },
+              size         = {
+                -- Tile size in pixels --
+                width  = 6,
+                height = 8,
+              },
+              transform    = {
+                move   = true,
+                rotate = false,
+                scale  = false,
+                shear  = false,
+                affine = false,
+              },
+            },
+          },
+        },
+      },
+    },
+  },
+}
diff --git a/src/hardware_data/graphics/uze_atmega644_mode2_3-screen-sections.lua b/src/hardware_data/graphics/uze_atmega644_mode2_3-screen-sections.lua
new file mode 100644
index 0000000..040b3b1
--- /dev/null
+++ b/src/hardware_data/graphics/uze_atmega644_mode2_3-screen-sections.lua
@@ -0,0 +1,214 @@
+-- Information:                             --
+-- Video Mode 2 (official)                  --
+--                                          --
+-- Vertical tiles on VRAM,                  --
+-- can be changed by compilation,           --
+-- but is not recomended.                   --
+-- Default value is:                        --
+-- VRAM_TILES_V=32                          --
+--                                          --
+-- Numbers of screen sections,              --
+-- can be changed by compilation.           --
+-- Default value is:                        --
+-- SCREEN_SECTIONS_COUNT=1                  --
+-- Only height size and position of         --
+-- screen sections can changed:             --
+-- * width size = VRAM width tiles,         --
+-- * height size = 1 to 208 pixels          --
+-- * numbers = 1 to 28 sections             --
+-- * position = X axis                      --
+--                                          --
+--                                          --
+-- Numbers of video lines to render,        --
+-- can be changed by compilation,           --
+-- but is not recommended, changes the      --
+-- CPU cyles.                               --
+-- Default value is:                        --
+-- FRAME_LINES=SCREEN_TILES_V*TILE_HEIGHT   --
+--                                          --
+-- Fist render line is used to adjust       --
+-- vertical centering if the value          --
+-- FRAME_LINES is changed.                  --
+-- Can be changed by compilation.           --
+-- Default value is:                        --
+-- FIRST_RENDER_LINE=20                     --
+
+-- Sites:
+-- http://uzebox.org/wiki/index.php?title=Video_Modes
+-- http://uzebox.org/wiki/index.php?title=Mode_2_Sprites_Guide 
+-- http://uzebox.org/wiki/index.php?title=Mode_2_ScreenSections_Guide
+-- https://github.com/Uzebox/uzebox
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode2/videoMode2.def.h
+-- https://raw.githubusercontent.com/Uzebox/uzebox/master/kernel/videoMode2/videoMode2.s
+
+return {
+  screen  = {
+    width   = 144,
+    height  = 224,
+    vsync   =  60,
+    origin  = {
+      x = 0,
+      y = 0,
+    },
+    -- Total of unique texels, pixels and vertices on VRAM --
+    pixels   = 13824,
+    texels   =   288,
+    vertices = false,
+  },
+  colours = {
+    total       = 256,
+    limit       = false,
+    transparent = {
+      sprite = colourKey,
+      tile   = false,
+    },
+    palettes    = false,
+  },
+  meshes  = false,
+  shaders = {
+    api          = false,
+    version      = false,
+    fragment     = false,
+    vectex       = false,
+    geometry     = false,
+    tessellation = false,
+  },
+  physic  = false,
+  sprites = {
+    -- Limit sprites on screen --
+    onScreen  = 32,
+    -- Limit sprites on line (scanline) without flickering --
+    onLine    =  5,
+    transform = {
+      move   = true,
+      rotate = false,
+      scale  = 'verticalFlip',
+      shear  = false,
+      affine = false,
+    },
+    -- Sprite sizes in pixels --
+    sizes     = {
+      {
+        width  = 6,
+        height = 8,
+      },
+    },
+  },
+  tiles   = {
+    layers = {
+      {
+        -- Total tiles and pixels on VRAM --
+        onVRAM         = {
+          screenSections = {
+            all = {
+              Xtiles =    32,
+              Ytiles =    32,
+              tiles  =  1024,
+              pixels = 49152,
+            },
+          },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
+        },
+        -- Total tiles and pixels on screen --
+        onScreen       = {
+          screenSections = {
+            -- On screen section with support scrolling X and/or Y, --
+            -- will be include one tile by axis                     --
+            all = {
+              Xtiles =    25,
+              Ytiles =    29,
+              tiles  =   725,
+              pixels = 34800,
+            },
+          },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
+        },
+        -- Total of unique tiles on VRAM --
+        unique         = 256,
+        screenSections = {
+          mirror   = false,
+          main     = {
+            optional    = false,
+            moveSection = false,
+            {
+              startSection = {
+                x = 'startVRAM',
+                y = 'startVRAM',
+              },
+              endSection   = {
+                x = 'endVRAM',
+                y = 'endVRAM',
+              },
+              size         = {
+                -- Tile size in pixels --
+                width  = 6,
+                height = 8,
+              },
+              transform    = {
+                move   = true,
+                rotate = false,
+                scale  = false,
+                shear  = false,
+                affine = false,
+              },
+            },
+          },
+          overlay0 = {
+            optional    = true,
+            moveSection = true,
+            {
+              startSection = {
+                x = 'startVRAM',
+                y = 'free',
+              },
+              endSection   = {
+                x = 'endVRAM',
+                y = 'free',
+              },
+              size         = {
+                -- Tile size in pixels --
+                width  = 6,
+                height = 8,
+              },
+              transform    = {
+                move   = true,
+                rotate = false,
+                scale  = false,
+                shear  = false,
+                affine = false,
+              },
+            },
+          },
+          overlay1 = {
+            optional    = true,
+            moveSection = true,
+            {
+              startSection = {
+                x = 'startVRAM',
+                y = 'free',
+              },
+              endSection   = {
+                x = 'endVRAM',
+                y = 'free',
+              },
+              size         = {
+                -- Tile size in pixels --
+                width  = 6,
+                height = 8,
+              },
+              transform    = {
+                move   = true,
+                rotate = false,
+                scale  = false,
+                shear  = false,
+                affine = false,
+              },
+            },
+          },
+        },
+      },
+    },
+  },
+}