#1 OAM VRAM Bank take only 0 in DMG

akatsuki105 · May 15, 2020 · 6baae24 · 6baae24
1 parent b9f441a
commit 6baae24
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/pkg/gpu/gpu.go b/pkg/gpu/gpu.go
@@ -229,6 +229,10 @@ func (g *GPU) setTileLine(entryX, entryY int, lineIndex uint, addr uint16, tileT
 
  // entryX, entryY: 何Pixel目を基準として配置するか
  VRAMBankPtr := (attr >> 3) & 0x01
+ if !isCGB {
+ VRAMBankPtr = 0
+ }
+
  lowerByte, upperByte := g.VRAMBank[VRAMBankPtr][addr-0x8000], g.VRAMBank[VRAMBankPtr][addr-0x8000+1]
 
  for j := 0; j < 8; j++ {