From 8df8a4aeacf991f9006ef92897a114d31bd33561 Mon Sep 17 00:00:00 2001
From: Alexey 'Cluster' Avdyukhin <clusterrr@clusterrr.com>
Date: Sun, 22 Jan 2023 15:10:08 +0400
Subject: COOLBOY submapper 2 and 3 writing fix

---
 FamicomDumper/FlashWriters/CoolboyWriter.cs | 3 ++-
 FamicomDumper/IMapper.cs                    | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/FamicomDumper/FlashWriters/CoolboyWriter.cs b/FamicomDumper/FlashWriters/CoolboyWriter.cs
index 6eaa6bc..ec54feb 100644
--- a/FamicomDumper/FlashWriters/CoolboyWriter.cs
+++ b/FamicomDumper/FlashWriters/CoolboyWriter.cs
@@ -198,7 +198,8 @@ namespace com.clusterrr.Famicom.Dumper.FlashWriters
                 case 2:
                 case 3:
                     r1 = (byte)(
-                          (((bank >> 8) & 1) << 1) // 8(22)
+                          (1 << 4) // PRG mask 32KB, inverted
+                        | (((bank >> 8) & 1) << 1) // 8(22)
                         | (((bank >> 7) & 1) << 2) // 7(21)
                         | (((bank >> 6) & 1) << 3) // 6(20)
                         | (1 << 7)); // PRG mask 512KB
diff --git a/FamicomDumper/IMapper.cs b/FamicomDumper/IMapper.cs
index 63cfd5e..5bd96d5 100644
--- a/FamicomDumper/IMapper.cs
+++ b/FamicomDumper/IMapper.cs
@@ -60,7 +60,7 @@ namespace com.clusterrr.Famicom.Dumper
         /// This method will be called to enable PRG RAM
         /// </summary>
         /// <param name="dumper"></param>
-        void EnablePrgRam(IFamicomDumperConnection dumper) 
+        void EnablePrgRam(IFamicomDumperConnection dumper)
             => throw new NotImplementedException("PRG RAM is not supported by this mapper");
 
         /// <summary>
-- 
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