From 87a74c0b480ea79552c2e2081c0ff0b9b4066beb Mon Sep 17 00:00:00 2001
From: Phillip Stephens <antidote.crk@gmail.com>
Date: Sun, 16 Oct 2022 13:54:59 -0700
Subject: [PATCH] CGBASupport: Add version differences for korean release

---
 src/MetroidPrime/CGBASupport.cpp | 47 ++++++++++++++++++++++++++++----
 1 file changed, 42 insertions(+), 5 deletions(-)

diff --git a/src/MetroidPrime/CGBASupport.cpp b/src/MetroidPrime/CGBASupport.cpp
index f9127718..aecb3bd6 100644
--- a/src/MetroidPrime/CGBASupport.cpp
+++ b/src/MetroidPrime/CGBASupport.cpp
@@ -8,13 +8,20 @@
 #include "rstl/math.hpp"
 
 void joyboot_callback(s32 chan, s32 ret) {}
-
+#if VERSION < 2
 const uint MAGIC = 0x414d5445;
+#endif
 
 static CGBASupport* g_GBA;
 
+inline bool GetFontEncoding() { return OSGetFontEncode() == 1; }
+
 CGBASupport::CGBASupport()
+#if VERSION >= 2
+: x0_file(GetFontEncoding() ? "client_jap.bin" : "client_pad.bin")
+#else
 : x0_file("client_pad.bin")
+#endif
 , x28_fileSize(OSRoundUp32B(x0_file.Length()))
 , x2c_buffer((uchar*)CMemory::Alloc(x28_fileSize, IAllocator::kHI_RoundUpLen))
 , x30_dvdReq(x0_file.SyncRead(x2c_buffer.get(), x28_fileSize))
@@ -26,6 +33,9 @@ CGBASupport::CGBASupport()
 , x45_fusionBeat(false) {
   GBAInit();
   g_GBA = this;
+#if VERSION >= 2
+  OSGetFontEncode();
+#endif
 }
 
 CGBASupport::~CGBASupport() { g_GBA = nullptr; }
@@ -56,8 +66,18 @@ inline bool CGBASupport::CheckReadyStatus() {
     buff[0xc9] = (tick >> 8);
     buff[0xca] = (tick >> 16);
     buff[0xcb] = (tick >> 24);
+#if VERSION < 2
     buff[0xaf] = 'E'; // set region to 'E' instead of 'J'
     buff[0xbd] = 0xc9;
+#else
+    if (GetFontEncoding()) {
+      buff[0xaf] = 'J'; // set region to 'E' instead of 'J'
+      buff[0xbd] = 0xc4;
+    } else {
+      buff[0xaf] = 'E'; // set region to 'E' instead of 'J'
+      buff[0xbd] = 0xc9;
+    }
+#endif
     return true;
   }
   return false;
@@ -97,8 +117,8 @@ void CGBASupport::Update(float dt) {
 
   case kP_StartJoyBusBoot:
     x34_phase = kP_PollJoyBusBoot;
-    GBAJoyBootAsync(x40_siChan, x40_siChan << 1, 2, x2c_buffer.get(), x0_file.Length(),
-                    &x3c_status, &joyboot_callback);
+    GBAJoyBootAsync(x40_siChan, x40_siChan << 1, 2, x2c_buffer.get(), x0_file.Length(), &x3c_status,
+                    &joyboot_callback);
     break;
 
   case kP_PollJoyBusBoot:
@@ -161,22 +181,39 @@ bool CGBASupport::PollResponse() {
   if (gbaStatus != 0x28) {
     return false;
   }
+  
+#if VERSION >= 2
+  const uint targetMagic = GetFontEncoding() ? 0x414D544A : 0x414D5445;
+#endif
+
   uint magic;
-  if (GBARead(x40_siChan, reinterpret_cast<u8*>(&magic), &gbaStatus) == GBA_NOT_READY) {
+  if (GBARead(x40_siChan, (u8*)(&magic), &gbaStatus) == GBA_NOT_READY) {
     return false;
   }
+#if VERSION < 2
   if (magic != 0x414d5445) { // "AMTE"
     return false;
   }
+#else
+  if (magic != targetMagic) { // "AMTE"
+    return false;
+  }
+#endif
   if (GBAGetStatus(x40_siChan, &gbaStatus) == GBA_NOT_READY) {
     return false;
   }
   if (gbaStatus != 0x20) {
     return false;
   }
+#if VERSION < 2
   if (GBAWrite(x40_siChan, (u8*)(&MAGIC), &gbaStatus) == GBA_NOT_READY) {
     return false;
   }
+#else
+  if (GBAWrite(x40_siChan, (u8*)(&targetMagic), &gbaStatus) == GBA_NOT_READY) {
+    return false;
+  }
+#endif
   if (GBAGetStatus(x40_siChan, &gbaStatus) == GBA_NOT_READY) {
     return false;
   }
@@ -194,7 +231,7 @@ bool CGBASupport::PollResponse() {
 
   uint read;
   uchar fusionStatus[4];
-  if (GBARead(x40_siChan, reinterpret_cast<uchar*>(&read), &gbaStatus) != GBA_READY) {
+  if (GBARead(x40_siChan, reinterpret_cast< uchar* >(&read), &gbaStatus) != GBA_READY) {
     return false;
   }
   fusionStatus[0] = read >> 24;