From 8713b497067610b7a7fb03708b29ab64a27f367c Mon Sep 17 00:00:00 2001
From: Lesserkuma <lesserkuma4@gmail.com>
Date: Sat, 24 Sep 2022 15:34:46 +0200
Subject: [PATCH] Use correct mapper type for GB Mani 4 in 1

---
 Cart_Reader/GB.ino | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/Cart_Reader/GB.ino b/Cart_Reader/GB.ino
index 1a1b173..072346f 100644
--- a/Cart_Reader/GB.ino
+++ b/Cart_Reader/GB.ino
@@ -818,10 +818,19 @@ void getCartInfo_GB() {
     myLength--;
   }
 
-  // Detect M161 game
-  if ((strncmp(romName, "TETRIS SET", 9) == 0) && (sdBuffer[0x14D] == 0x3F)) {
+  // M161 (Mani 4 in 1)
+  if ((strncmp(romName, "TETRIS SET", 10) == 0) && (sdBuffer[0x14D] == 0x3F)) {
     romType = 0x104;
   }
+
+  // MMM01 (Mani 4 in 1)
+  if (
+    (strncmp(romName, "BOUKENJIMA2 SET", 15) == 0) && (sdBuffer[0x14D] == 0) ||
+    (strncmp(romName, "BUBBLEBOBBLE SET", 16) == 0) && (sdBuffer[0x14D] == 0xC6) ||
+    (strncmp(romName, "GANBARUGA SET", 13) == 0) && (sdBuffer[0x14D] == 0x90) ||
+    (strncmp(romName, "RTYPE 2 SET", 11) == 0) && (sdBuffer[0x14D] == 0x32)) {
+    romType = 0x0B;
+  }
 }
 
 /******************************************