Fix the color computation code

alanjian85 · Nov 12, 2023 · dc20c96 · dc20c96
1 parent 0a47078
commit dc20c96
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/src/main/scala/graphics/DiffInfo.scala b/src/main/scala/graphics/DiffInfo.scala
@@ -63,9 +63,9 @@ object DiffInfo {
     diffInfo.dremgj := (if (a == 0) 0 else if (a > 0) dividendgj % a else -dividendgj % a).S
     diffInfo.drembj := (if (a == 0) 0 else if (a > 0) dividendbj % a else -dividendbj % a).S
 
-    val dividendri = (-dx1 + dy1 * (Tile.size - 1)) * 255
-    val dividendgi = (-dx2 + dy2 * (Tile.size - 1)) * 255
-    val dividendbi = (-dx0 + dy0 * (Tile.size - 1)) * 255
+    val dividendri = (dy1 * (Tile.size - 1) - dx1) * 255
+    val dividendgi = (dy2 * (Tile.size - 1) - dx2) * 255
+    val dividendbi = (dy0 * (Tile.size - 1) - dx0) * 255
 
     diffInfo.dquori := (if (a == 0) 0 else dividendri / a).S
     diffInfo.dquogi := (if (a == 0) 0 else dividendgi / a).S

diff --git a/src/main/scala/graphics/Graphics.scala b/src/main/scala/graphics/Graphics.scala
@@ -81,9 +81,9 @@ class Graphics extends Module {
     g := diffInfos(angle).g
     b := diffInfos(angle).b
 
-    er := diffInfos(angle).r
-    eg := diffInfos(angle).g
-    eb := diffInfos(angle).b
+    er := diffInfos(angle).er
+    eg := diffInfos(angle).eg
+    eb := diffInfos(angle).eb
 
     row := 0.U
   }