From 84664a6ded536573ce2f20a551531453511357af Mon Sep 17 00:00:00 2001
From: StapleButter <thetotalworm@gmail.com>
Date: Mon, 10 Apr 2017 20:56:22 +0200
Subject: [PATCH] =?UTF-8?q?bypass=20first=20save=20command=20byte=20when?=
 =?UTF-8?q?=20it's=20zero.=20for=20Pok=C3=A9mon=20games.?=
MIME-Version: 1.0
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---
 src/NDSCart.cpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/NDSCart.cpp b/src/NDSCart.cpp
index 68c6fe7c..69102b50 100644
--- a/src/NDSCart.cpp
+++ b/src/NDSCart.cpp
@@ -471,6 +471,13 @@ void Write(u8 val, u32 hold)
 
     switch (CurCmd)
     {
+    case 0x00:
+        // Pokémon carts have an IR transceiver thing, and send this
+        // to bypass it and access SRAM.
+        // TODO: design better
+        CurCmd = val;
+        break;
+
     case 0x02:
     case 0x03:
     case 0x0A:
@@ -495,8 +502,8 @@ void Write(u8 val, u32 hold)
         break;
 
     default:
-        //if (DataPos==0)
-        //    printf("unknown save SPI command %02X %08X\n", CurCmd);
+        if (DataPos==0)
+            printf("unknown save SPI command %02X %08X\n", CurCmd);
         break;
     }