2 files changed, 32 insertions, 3 deletions
diff --git a/include/ereader_helpers.h b/include/ereader_helpers.h
index 064b61ed7..8bf3dc43b 100755
--- a/include/ereader_helpers.h
+++ b/include/ereader_helpers.h
@@ -3,6 +3,34 @@
 
 #include "trainer_hill.h"
 
+enum {
+    EREADER_XFR_STATE_INIT = 0,
+    EREADER_XFR_STATE_HANDSHAKE,
+    EREADER_XFR_STATE_START,
+    EREADER_XFR_STATE_TRANSFER,
+    EREADER_XFR_STATE_TRANSFER_DONE,
+    EREADER_XFR_STATE_CHECKSUM,
+    EREADER_XFR_STATE_DONE
+};
+
+#define EREADER_XFER_EXE 1
+#define EREADER_XFER_CHK 2
+#define EREADER_XFER_SHIFT 0
+#define EREADER_XFER_MASK  ((EREADER_XFER_EXE | EREADER_XFER_CHK) << EREADER_XFER_SHIFT)
+
+#define EREADER_CANCEL_TIMEOUT 1
+#define EREADER_CANCEL_KEY     2
+#define EREADER_CANCEL_SHIFT 2
+#define EREADER_CANCEL_TIMEOUT_MASK (EREADER_CANCEL_TIMEOUT << EREADER_CANCEL_SHIFT)
+#define EREADER_CANCEL_KEY_MASK     (EREADER_CANCEL_KEY << EREADER_CANCEL_SHIFT)
+#define EREADER_CANCEL_MASK         ((EREADER_CANCEL_TIMEOUT | EREADER_CANCEL_KEY) << EREADER_CANCEL_SHIFT)
+
+#define EREADER_CHECKSUM_OK  1
+#define EREADER_CHECKSUM_ERR 2
+#define EREADER_CHECKSUM_SHIFT 4
+#define EREADER_CHECKSUM_OK_MASK (EREADER_CHECKSUM_OK << EREADER_CHECKSUM_SHIFT)
+#define EREADER_CHECKSUM_MASK    ((EREADER_CHECKSUM_OK | EREADER_CHECKSUM_ERR) << EREADER_CHECKSUM_SHIFT)
+
 struct EReaderTrainerHillTrainer
 {
     u8 trainerNum;
diff --git a/include/link.h b/include/link.h
index 4e0491356..6061745af 100644
--- a/include/link.h
+++ b/include/link.h
@@ -124,8 +124,9 @@ struct LinkStatus
     u32 errors:7;
 };
 
-#define MASTER_HANDSHAKE 0x8FFF
-#define SLAVE_HANDSHAKE  0xB9A0
+#define MASTER_HANDSHAKE  0x8FFF
+#define SLAVE_HANDSHAKE   0xB9A0
+#define EREADER_HANDSHAKE 0xCCD0
 
 #define SIO_MULTI_CNT ((struct SioMultiCnt *)REG_ADDR_SIOCNT)
 
@@ -208,7 +209,7 @@ struct Link
     /* 0x001 */ u8 state;
     /* 0x002 */ u8 localId; // local multi-player ID
     /* 0x003 */ u8 playerCount;
-    /* 0x004 */ u16 tempRecvBuffer[4];
+    /* 0x004 */ u16 handshakeBuffer[MAX_LINK_PLAYERS];
     /* 0x00c */ bool8 receivedNothing;
     /* 0x00d */ s8 serialIntrCounter;
     /* 0x00e */ bool8 handshakeAsMaster;