mirror of https://github.com/pret/pokeemerald.git
292 lines
8.1 KiB
C
292 lines
8.1 KiB
C
#ifndef GUARD_LINK_H
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#define GUARD_LINK_H
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#define MAX_LINK_PLAYERS 4
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#define MAX_RFU_PLAYERS 5
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#define CMD_LENGTH 8
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#define QUEUE_CAPACITY 50
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#define BLOCK_BUFFER_SIZE 0x100
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#define LINK_SLAVE 0
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#define LINK_MASTER 8
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#define LINK_STAT_LOCAL_ID 0x00000003
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#define LINK_STAT_PLAYER_COUNT 0x0000001C
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#define LINK_STAT_PLAYER_COUNT_SHIFT 2
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#define LINK_STAT_MASTER 0x00000020
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#define LINK_STAT_MASTER_SHIFT 5
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#define LINK_STAT_CONN_ESTABLISHED 0x00000040
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#define LINK_STAT_CONN_ESTABLISHED_SHIFT 6
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#define LINK_STAT_RECEIVED_NOTHING 0x00000100
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#define LINK_STAT_RECEIVED_NOTHING_SHIFT 8
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#define LINK_STAT_UNK_FLAG_9 0x00000200
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#define LINK_STAT_UNK_FLAG_9_SHIFT 9
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#define LINK_STAT_ERRORS 0x0007F000
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#define LINK_STAT_ERRORS_SHIFT 12
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#define LINK_STAT_ERROR_HARDWARE 0x00001000
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#define LINK_STAT_ERROR_HARDWARE_SHIFT 12
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#define LINK_STAT_ERROR_CHECKSUM 0x00002000
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#define LINK_STAT_ERROR_CHECKSUM_SHIFT 13
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#define LINK_STAT_ERROR_QUEUE_FULL 0x00004000
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#define LINK_STAT_ERROR_QUEUE_FULL_SHIFT 14
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#define LINK_STAT_ERROR_LAG_MASTER 0x00010000
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#define LINK_STAT_ERROR_LAG_MASTER_SHIFT 16
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#define LINK_STAT_ERROR_INVALID_ID 0x00020000
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#define LINK_STAT_ERROR_INVALID_ID_SHIFT 17
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#define LINK_STAT_ERROR_LAG_SLAVE 0x00040000
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#define LINK_STAT_ERROR_LAG_SLAVE_SHIFT 18
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#define EXTRACT_PLAYER_COUNT(status) \
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(((status) & LINK_STAT_PLAYER_COUNT) >> LINK_STAT_PLAYER_COUNT_SHIFT)
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#define EXTRACT_MASTER(status) \
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(((status) >> LINK_STAT_MASTER_SHIFT) & 1)
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#define EXTRACT_CONN_ESTABLISHED(status) \
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(((status) >> LINK_STAT_CONN_ESTABLISHED_SHIFT) & 1)
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#define EXTRACT_RECEIVED_NOTHING(status) \
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(((status) >> LINK_STAT_RECEIVED_NOTHING_SHIFT) & 1)
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#define EXTRACT_LINK_ERRORS(status) \
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(((status) & LINK_STAT_ERRORS) >> LINK_STAT_ERRORS_SHIFT)
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#define LINKCMD_SEND_LINK_TYPE 0x2222
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#define LINKCMD_0x2FFE 0x2FFE
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#define LINKCMD_SEND_HELD_KEYS 0x4444
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#define LINKCMD_0x5555 0x5555
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#define LINKCMD_0x5566 0x5566
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#define LINKCMD_0x5FFF 0x5FFF
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#define LINKCMD_0x6666 0x6666
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#define LINKCMD_0x7777 0x7777
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#define LINKCMD_CONT_BLOCK 0x8888
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#define LINKCMD_0xAAAA 0xAAAA
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#define LINKCMD_0xAAAB 0xAAAB
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#define LINKCMD_INIT_BLOCK 0xBBBB
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#define LINKCMD_SEND_HELD_KEYS_2 0xCAFE
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#define LINKCMD_0xCCCC 0xCCCC
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struct LinkStatus
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{
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u32 localId:2;
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u32 playerCount:3;
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u32 master:1;
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u32 connEstablished:1;
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u32 unused_7:1;
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u32 receivedNothing:1;
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u32 unused_9:7;
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u32 errors:7;
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};
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#define MASTER_HANDSHAKE 0x8FFF
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#define SLAVE_HANDSHAKE 0xB9A0
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#define SIO_MULTI_CNT ((struct SioMultiCnt *)REG_ADDR_SIOCNT)
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enum
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{
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LINK_STATE_START0,
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LINK_STATE_START1,
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LINK_STATE_HANDSHAKE,
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LINK_STATE_INIT_TIMER,
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LINK_STATE_CONN_ESTABLISHED,
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};
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enum
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{
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EXCHANGE_NOT_STARTED,
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EXCHANGE_COMPLETE,
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EXCHANGE_TIMED_OUT,
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EXCHANGE_IN_PROGRESS,
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EXCHANGE_STAT_4,
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EXCHANGE_STAT_5,
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EXCHANGE_STAT_6
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};
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enum
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{
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QUEUE_FULL_NONE,
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QUEUE_FULL_SEND,
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QUEUE_FULL_RECV,
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};
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enum
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{
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LAG_NONE,
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LAG_MASTER,
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LAG_SLAVE,
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};
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struct LinkPlayer
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{
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/* 0x00 */ u16 version;
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/* 0x02 */ u16 lp_field_2;
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/* 0x04 */ u32 trainerId;
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/* 0x08 */ u8 name[11];
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/* 0x13 */ u8 gender;
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/* 0x14 */ u32 linkType;
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/* 0x18 */ u16 lp_field_18; // battle bank in battles
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/* 0x1A */ u16 language;
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};
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struct LinkPlayerBlock
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{
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char magic1[16];
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struct LinkPlayer linkPlayer;
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char magic2[16];
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};
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// circular queues
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struct SendQueue
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{
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/* 0x000 */ u16 data[CMD_LENGTH][QUEUE_CAPACITY];
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/* 0x320 */ u8 pos;
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/* 0x321 */ u8 count;
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};
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struct RecvQueue
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{
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u16 data[MAX_LINK_PLAYERS][CMD_LENGTH][QUEUE_CAPACITY];
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u8 pos;
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u8 count;
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};
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struct Link
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{
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/* 0x000 */ u8 isMaster; // 0: slave, 8: master
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/* 0x001 */ u8 state;
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/* 0x002 */ u8 localId; // local multi-player ID
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/* 0x003 */ u8 playerCount;
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/* 0x004 */ u16 tempRecvBuffer[4];
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/* 0x00c */ bool8 receivedNothing;
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/* 0x00d */ s8 serialIntrCounter;
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/* 0x00e */ bool8 handshakeAsMaster;
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/* 0x00f */ u8 link_field_F;
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// error conditions
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/* 0x010 */ bool8 hardwareError; // hardware reported an error
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/* 0x011 */ bool8 badChecksum; // checksum didn't match between devices
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/* 0x012 */ u8 queueFull; // send or recv queue out of space
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/* 0x013 */ u8 lag; // connection is lagging
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/* 0x014 */ u16 checksum;
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/* 0x016 */ u8 sendCmdIndex;
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/* 0x017 */ u8 recvCmdIndex;
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/* 0x018 */ struct SendQueue sendQueue;
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/* 0x33c */ struct RecvQueue recvQueue;
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};
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struct BlockRequest
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{
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void * address;
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u32 size;
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};
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extern const struct BlockRequest sBlockRequestLookupTable[5];
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extern struct Link gLink;
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extern u16 gRecvCmds[MAX_RFU_PLAYERS][CMD_LENGTH];
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extern u8 gBlockSendBuffer[BLOCK_BUFFER_SIZE];
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extern u16 gLinkType;
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extern u32 gLinkStatus;
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extern u16 gBlockRecvBuffer[MAX_RFU_PLAYERS][BLOCK_BUFFER_SIZE / 2];
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extern u16 gSendCmd[CMD_LENGTH];
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extern struct LinkPlayer gLinkPlayers[5];
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extern u16 word_3002910[];
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extern bool8 gReceivedRemoteLinkPlayers;
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extern u32 gUnknown_020223C0;
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extern bool8 gLinkVSyncDisabled;
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extern u32 gLinkStatus;
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void Task_DestroySelf(u8 taskId);
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void OpenLink(void);
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void CloseLink(void);
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u16 LinkMain2(const u16 *);
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void sub_8007B14(void);
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bool32 sub_8007B24(void);
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void ClearLinkCallback(void);
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void ClearLinkCallback_2(void);
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u8 GetLinkPlayerCount(void);
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void OpenLinkTimed(void);
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u8 GetLinkPlayerDataExchangeStatusTimed(int lower, int upper);
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bool8 IsLinkPlayerDataExchangeComplete(void);
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u32 GetLinkPlayerTrainerId(u8);
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void ResetLinkPlayers(void);
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void sub_8007E24(void);
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void sub_8007E4C(void);
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u8 GetMultiplayerId(void);
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u8 bitmask_all_link_players_but_self(void);
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bool8 SendBlock(u8, const void *, u16);
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u8 GetBlockReceivedStatus(void);
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void ResetBlockReceivedFlags(void);
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void ResetBlockReceivedFlag(u8);
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u8 GetLinkPlayerCount_2(void);
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bool8 IsLinkMaster(void);
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void CB2_LinkError(void);
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u8 GetSioMultiSI(void);
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bool8 IsLinkConnectionEstablished(void);
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void SetSuppressLinkErrorMessage(bool8);
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bool8 HasLinkErrorOccurred(void);
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void ResetSerial(void);
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u32 LinkMain1(u8 *shouldAdvanceLinkState, u16 *sendCmd, u16 (*recvCmds)[CMD_LENGTH]);
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void LinkVSync(void);
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void Timer3Intr(void);
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void SerialCB(void);
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u8 GetLinkPlayerCount(void);
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bool32 InUnionRoom(void);
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void sub_800E0E8(void);
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bool8 sub_800A520(void);
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void CreateWirelessStatusIndicatorSprite(u8, u8);
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void sub_800ADF8(void);
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void sub_800B488(void);
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void sub_800A620(void);
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void sub_8011BD0(void);
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u8 IsLinkMaster(void);
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void sub_800AC34(void);
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bool8 HandleLinkConnection(void);
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void SetLinkDebugValues(u32 seed, u32 flags);
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void sub_800A418(void);
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void SetSuppressLinkErrorMessage(bool8 flag);
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void sub_800B524(struct LinkPlayer *linkPlayer);
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u8 GetSioMultiSI(void);
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void sub_800AAF4(void);
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void sub_800AF18(u32 status, u8 lastSendQueueCount, u8 lastRecvQueueCount, u8 unk_06);
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void sub_800B348(void);
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void sub_800B3A4(u32 who);
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extern u16 gLinkPartnersHeldKeys[6];
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extern u32 gLinkDebugSeed;
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extern struct LinkPlayerBlock gLocalLinkPlayerBlock;
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extern bool8 gLinkErrorOccurred;
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extern u32 gLinkDebugFlags;
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extern bool8 gRemoteLinkPlayersNotReceived[MAX_LINK_PLAYERS];
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extern u8 gBlockReceivedStatus[MAX_LINK_PLAYERS];
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extern u16 gLinkHeldKeys;
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extern u32 gLinkStatus;
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extern u8 gUnknown_030030E4;
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extern u8 gUnknown_030030E8;
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extern u8 gUnknown_030030EC[MAX_LINK_PLAYERS];
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extern u8 gUnknown_030030F0[MAX_LINK_PLAYERS];
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extern u16 gUnknown_030030F4;
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extern u8 gSuppressLinkErrorMessage;
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extern u8 gWirelessCommType;
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extern bool8 gSavedLinkPlayerCount;
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extern u8 gSavedMultiplayerId;
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extern struct LinkTestBGInfo gLinkTestBGInfo;
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extern void (*gLinkCallback)(void);
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extern bool8 gShouldAdvanceLinkState;
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extern u16 gLinkTestBlockChecksums[MAX_LINK_PLAYERS];
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extern u8 gBlockRequestType;
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extern u8 gLastSendQueueCount;
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extern u8 gLastRecvQueueCount;
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extern u16 gLinkSavedIme;
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extern u32 gFiller_03003074;
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extern u32 gFiller_03003154;
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extern u32 gFiller_03003158;
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extern u32 gFiller_0300315c;
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extern u32 gFiller_03004138;
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extern u32 gFiller_0300413C;
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extern u32 gFiller_03003080;
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#endif // GUARD_LINK_H
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