From a15a6128031bb3a3d5d6b60696978d9f60a48e3a Mon Sep 17 00:00:00 2001
From: Extrems <metaradil@gmail.com>
Date: Sat, 15 Feb 2025 13:09:59 -0500
Subject: [PATCH] Use device code to determine console type on Wii Fix
 unintended fallthrough switch statement

---
 gc/ogc/system.h |  1 +
 libogc/stm.c    |  2 ++
 libogc/system.c | 27 +++++++++++++++++++++++++--
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/gc/ogc/system.h b/gc/ogc/system.h
index 3b5a1160..c976452d 100644
--- a/gc/ogc/system.h
+++ b/gc/ogc/system.h
@@ -121,6 +121,7 @@ distribution.
 #define SYS_CONSOLE_RETAIL_ES2_1		0x00000021
 #define SYS_CONSOLE_RETAIL_ES3_0		0x00000030
 #define SYS_CONSOLE_RETAIL_ES3_1		0x00000031
+#define SYS_CONSOLE_ARCADE				0x00000100
 #define SYS_CONSOLE_NDEV_ES1_0			0x10000010
 #define SYS_CONSOLE_NDEV_ES1_1			0x10000011
 #define SYS_CONSOLE_NDEV_ES1_2			0x10000012
diff --git a/libogc/stm.c b/libogc/stm.c
index 66b467ac..7992b55a 100644
--- a/libogc/stm.c
+++ b/libogc/stm.c
@@ -223,8 +223,10 @@ s32 STM_ShutdownToIdle(void)
 		case 1:
 		case 2:
 			__stm_immbufin[0] = 0xFCA08280;
+			break;
 		default:
 			__stm_immbufin[0] = 0xFCE082C0;
+			break;
 	}
 	res= IOS_Ioctl(__stm_imm_fd,IOCTL_STM_IDLE,__stm_immbufin,0x20,__stm_immbufout,0x20);
 	if(res<0) {
diff --git a/libogc/system.c b/libogc/system.c
index 026328e2..2bd9bb9e 100644
--- a/libogc/system.c
+++ b/libogc/system.c
@@ -2036,8 +2036,31 @@ u32 SYS_GetConsoleType(void)
 u32 SYS_GetConsoleType(void)
 {
 	u32 type;
-	type = SYS_CONSOLE_RETAIL_ES1_0;
-	type += *((u32*)0x80003138);
+	u16 dev_code;
+
+	type = 0;
+	dev_code = *((u16*)0x800030e6);
+	if(dev_code&0x8000) {
+		switch(dev_code&~0x8000) {
+			case 0x0002:
+			case 0x0003:
+			case 0x0203:
+				type = SYS_CONSOLE_RETAIL_ES1_0;
+				type += *((u32*)0x80003138);
+				break;
+			case 0x0201:
+			case 0x0202:
+				type = SYS_CONSOLE_NDEV_ES1_0;
+				type += *((u32*)0x80003138);
+				break;
+			case 0x0300:
+				type = SYS_CONSOLE_ARCADE;
+				break;
+		}
+	} else {
+		type = SYS_CONSOLE_RETAIL_ES1_0;
+		type += *((u32*)0x80003138);
+	}
 	return type;
 }