Update Tile_Maps

Co-authored-by: Eldred Habert <[email protected]>

Author: alloncm

src/Tile_Maps.md

@@ -39,7 +39,7 @@ the one at `0:9800`!
 
 ### BG-to-OBJ Priority in CGB Mode
 
-In the CGB mode there are 3 different places where the priority between the BG (and window) layer and the OBJ layer is declared:
+In CGB Mode, the priority between the BG (and window) layer and the OBJ layer is declared in three different places:
 1. [BG Map Attribute bit 7](#bg-map-attributes-cgb-mode-only) - BG-to-OAM Priority (CGB Mode)
 2. [LCDC bit 0](LCDC.md#lcdc0--bg-and-window-enablepriority) - BG and Window Priority (CGB Mode)
 3. [OAM Attributes bit 7](OAM.md#byte-3--attributesflags) - BG and Window over OBJ
@@ -53,23 +53,23 @@ OAM Attributes bit 7 will grant OBJ priority when clear and not when set
 
 :::
 
-| OAM Attributes bit 7 | BG Map Attribute bit 7 | LCDC bit 0 | Priority |
-| :--------------------: | :----------------------: | :----------: | -------- |
-| 0 | 1 | 1 | BG color 0 - OBJ, otherwise BG |
-| 0 | 1 | 0 | OBJ |
-| 1 | 0 | 1 | BG color 0 - OBJ, otherwise BG |
-| 1 | 1 | 1 | BG color 0 - OBJ, otherwise BG |
-| 0 | 0 | 1 | OBJ |
-| 0 | 0 | 0 | OBJ |
-| 1 | 1 | 0 | OBJ |
-| 1 | 0 | 0 | OBJ |
+LCDC bit 0 | OAM attr bit 7 | BG attr bit 7 | Priority
+:---------:|:--------------:|:-------------:|---------
+0          | 0              | 0             | OBJ
+0          | 0              | 1             | OBJ
+0          | 1              | 0             | OBJ
+0          | 1              | 1             | OBJ
+1          | 0              | 0             | OBJ
+1          | 0              | 1             | BG color 1–3, otherwise OBJ
+1          | 1              | 0             | BG color 1–3, otherwise OBJ
+1          | 1              | 1             | BG color 1–3, otherwise OBJ
 
 From the table we can infer the following:
 * When the BG color is 0 the OBJ will always have priority (ignoring the flags)
 * When LCDC bit 0 is clear OBJ will always have priority (ignoring the rest of the flags)
 * In order to grant the BG priority (color 1-3) LCDC bit 0 must be set and if OAM attributes bit 7 is clear BG Map attributes bit 7 must be set to override it
 
-A test ROM for this behavior can be found [here](https://github.com/alloncm/MagenTests)
+[This test ROM](https://github.com/alloncm/MagenTests) can be used to observe the above.
 
 ## Background (BG)