From 9ff3e63fc8f4005aaeacf07fb58e002539e704d2 Mon Sep 17 00:00:00 2001
From: "coadde [Márcio Alexandre Silva Delgado]" <coadde@parabola.nu>
Date: Wed, 11 Jan 2017 02:36:56 -0300
Subject: Update graphics modes

---
 src/hardware_data/graphics/ppu_lr35902-sgb.lua | 151 +++++++++++++++----------
 1 file changed, 91 insertions(+), 60 deletions(-)

(limited to 'src/hardware_data/graphics/ppu_lr35902-sgb.lua')

diff --git a/src/hardware_data/graphics/ppu_lr35902-sgb.lua b/src/hardware_data/graphics/ppu_lr35902-sgb.lua
index fbbfdd3..6df6cfc 100644
--- a/src/hardware_data/graphics/ppu_lr35902-sgb.lua
+++ b/src/hardware_data/graphics/ppu_lr35902-sgb.lua
@@ -1,29 +1,43 @@
+-- Information:                             --
+-- PPU (Picture processing unit)            --
+-- LR35902 (SGBv1) without mapper           --
+
 return {
   screen  = {
-    {
-      width   = 160,
-      height  = 144,
-      refresh =  61.17,
-      origin  = {
-        x = 0,
-        y = 0,
-      },
-    },
-    {
-      width   = 160,
-      height  = 144,
-      refresh =  59.73,
-      origin  = {
-        x = 0,
-        y = 0,
-      },
+    width    = 160,
+    height   = 144,
+    vsync    =  61.17,
+    origin   = {
+      x = 0,
+      y = 0,
     },
+    -- Total of unique texels, pixels and vertices on VRAM --
+    pixels   = 21504,
+    texels   =   296,
+    vertices = false,
   },
   colours = {
     total       = '15bpp',
     limit       = 10,
-    background  = false,
-    transparent = 'colourKey',
+    transparent = {
+      sprite = 'colourKey',
+      tile   = false,
+    },
+    tileDepth   = 'colourKey',
+    palettes    = {
+      {
+        total   = 2,
+        type    = 'spritePerPalette',
+        colours = 4,
+        layers  = false,
+      },
+      {
+        total   = 1,
+        type    = 'tilePerPalette',
+        colours = 4,
+        layers  = false,
+      },
+    },
   },
   meshes  = false,
   shaders = {
@@ -36,21 +50,10 @@ return {
   },
   physic  = false,
   sprites = {
+    -- Limit sprites on screen --
     onScreen  = 40,
+    -- Limit sprites on line (scanline) without flickering --
     onLine    = 10,
-    palettes  = {
-      specify = true,
-      {
-        total = 4,
-        limit = 3,
-        keys  = 1,
-      },
-      {
-        total = 4,
-        limit = 3,
-        keys  = 1,
-      },
-    },
     transform = {
       move   = true,
       rotate = false,
@@ -58,6 +61,7 @@ return {
       shear  = false,
       affine = false,
     },
+    -- Sprite sizes in pixels --
     sizes     = {
       {
         width  =  8,
@@ -72,37 +76,64 @@ return {
   tiles   = {
     layers = {
       {
-        total       = {
-          x = 32,
-          y = 32,
-          1024,
-        },
-        onScreen    = 399,
-        limit       = false,
-        unique      = 256,
-        independent = false,
-        palettes    = {
-          specify = true,
-          {
-            total = 4,
-            limit = false,
-            keys  = false,
-            map   = false,
+        -- Total tiles and pixels on VRAM --
+        onVRAM         = {
+          screenSections = {
+            all = {
+              Xtiles =    32,
+              Ytiles =    32,
+              tiles  =  1024,
+              pixels = 65536,
+            },
           },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
         },
-        mirror      = true,
-        transform   = {
-          individual = true,
-          move       = true,
-          rotate     = false,
-          scale      = false,
-          shear      = false,
-          affine     = false,
+        -- 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 =     20+1,
+              Ytiles =     18+1,
+              tiles  =    360+20+18+1,
+              pixels =  23040,
+            },
+          },
+          tiles          = 'screenSections',
+          pixels         = 'screenSections',
         },
-        sizes       = {
-          {
-            width  = 8,
-            height = 8,
+        -- Total of tiles on VRAM --
+        unique         = false,
+        maximum        = 256,
+        mirror         = false,
+        screenSections = {
+          main = {
+            optional    = false,
+            moveSection = false,
+            {
+              startSection = {
+                x = 'startVRAM',
+                y = 'startVRAM',
+              },
+              endSection   = {
+                x = 'endVRAM',
+                y = 'endVRAM',
+              },
+              size         = {
+                -- Tile size in pixels --
+                width  = 8,
+                height = 8,
+              },
+              transform    = {
+                move   = true,
+                rotate = false,
+                scale  = false,
+                shear  = false,
+                affine = false,
+              },
+            },
           },
         },
       },
-- 
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