mirror of
https://github.com/Ninjdai1/pokeemerald.git
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Merge pull request #1418 from GriffinRichards/sync-ereaderhelp
Sync e-reader helpers, document trainer hill e-reader
This commit is contained in:
GriffinR
GitHub
commit
58cef0ae52
@ -37,8 +37,9 @@
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#define TRAINER_HILL_TEXT_PLAYER_WON 4
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#define TRAINER_HILL_TEXT_AFTER 5
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#define NUM_TRAINER_HILL_TRAINERS (NUM_TRAINER_HILL_FLOORS * 2)
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#define NUM_TRAINER_HILL_TRAINERS_JP (NUM_TRAINER_HILL_FLOORS_JP * 2)
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#define TRAINER_HILL_TRAINERS_PER_FLOOR 2
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#define NUM_TRAINER_HILL_TRAINERS (NUM_TRAINER_HILL_FLOORS * TRAINER_HILL_TRAINERS_PER_FLOOR)
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#define NUM_TRAINER_HILL_TRAINERS_JP (NUM_TRAINER_HILL_FLOORS_JP * TRAINER_HILL_TRAINERS_PER_FLOOR)
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// Values returned by TrainerHillGetChallengeStatus
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#define TRAINER_HILL_PLAYER_STATUS_LOST 0
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@ -5,30 +5,29 @@
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struct EReaderTrainerHillTrainer
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{
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u8 unk0;
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struct TrainerHillTrainer unk4;
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struct TrHillDisplay unk14C;
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u8 trainerNum;
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struct TrainerHillTrainer trainer;
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struct TrHillDisplay display;
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u32 checksum;
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}; // size=0x274
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struct EReaderTrainerHillSet
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{
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u8 count;
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u8 numTrainers;
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u8 id;
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u16 dummy;
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u32 checksum;
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struct EReaderTrainerHillTrainer unk_8[6];
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struct EReaderTrainerHillTrainer trainers[6];
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u8 unk_ec0[40];
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}; // size = 0xf00
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bool8 EReader_IsReceivedDataValid(struct EReaderTrainerHillSet *buffer);
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bool32 TryWriteTrainerHill(struct EReaderTrainerHillSet *arg0);
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bool8 ValidateTrainerHillData(struct EReaderTrainerHillSet *);
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bool32 TryWriteTrainerHill(struct EReaderTrainerHillSet *);
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bool32 ReadTrainerHillAndValidate(void);
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int EReaderHandleTransfer(u8, u32, u32*, u32*);
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void sub_81D3F9C(void);
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void sub_81D3FAC(void);
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int EReaderHandleTransfer(u8, size_t, const void *, void *);
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void EReaderHelper_Timer3Callback(void);
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void EReaderHelper_SerialCallback(void);
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void EReaderHelper_SaveRegsState(void);
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void EReaderHelper_RestoreRegsState(void);
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void sub_81D4238(void);
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void EReaderHelper_ClearSendRecvMgr(void);
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#endif // GUARD_EREADER_HELPERS_H
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@ -323,7 +323,7 @@ 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 u8 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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@ -14,34 +14,64 @@
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#include "constants/trainers.h"
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#include "constants/moves.h"
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#include "constants/items.h"
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#include "constants/trainer_hill.h"
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struct Unknown030012C8
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{
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u8 unk0[8];
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u32 *unk8;
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int unkC;
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int unk10;
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int unk14;
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enum {
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EREADER_XFR_STATE_INIT = 0,
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EREADER_XFR_STATE_HANDSHAKE,
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EREADER_XFR_STATE_START,
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EREADER_XFR_STATE_TRANSFER,
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EREADER_XFR_STATE_TRANSFER_DONE,
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EREADER_XFR_STATE_CHECKSUM,
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EREADER_XFR_STATE_DONE
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};
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static void sub_81D4170(void);
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static u16 sub_81D3EE8(u8);
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static void sub_81D413C(void);
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static void sub_81D414C(void);
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static void sub_81D3F1C(u32, u32*, u32*);
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static void sub_81D3F68(void);
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#define EREADER_XFER_EXE 1
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#define EREADER_XFER_CHK 2
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#define EREADER_XFER_SHIFT 0
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#define EREADER_XFER_MASK 3
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static struct Unknown030012C8 gUnknown_030012C8;
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static u16 gUnknown_030012E0;
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static u16 gUnknown_030012E2;
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static u16 gUnknown_030012E4;
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static u16 gUnknown_030012E6;
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static u32 gUnknown_030012E8;
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static u16 gUnknown_030012EC;
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static u16 gUnknown_030012EE;
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static u16 gUnknown_030012F0;
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static u16 gUnknown_030012F2;
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static u16 gUnknown_030012F4;
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#define EREADER_CANCEL_TIMEOUT 1
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#define EREADER_CANCEL_KEY 2
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#define EREADER_CANCEL_MASK 0xC
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#define EREADER_CANCEL_SHIFT 2
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#define EREADER_CHECKSUM_OK 1
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#define EREADER_CHECKSUM_ERR 2
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#define EREADER_CHECKSUM_MASK 0x30
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#define EREADER_CHECKSUM_SHIFT 4
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struct SendRecvMgr
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{
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bool8 isParent;
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u8 state; // EREADER_XFR_STATE_*
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u8 xferState; // EREADER_XFER_*
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u8 checksumResult; // EREADER_CHECKSUM_*
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u8 cancellationReason; // EREADER_CANCEL_*
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u32 *data; // Payload source or destination
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int cursor; // Index of the next word
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int size; // Last word index
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int checksum;
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};
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static void GetKeyInput(void);
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static u16 DetermineSendRecvState(u8);
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static void EnableSio(void);
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static void DisableTm3(void);
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static void SetUpTransferManager(size_t, const void *, void *);
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static void StartTm3(void);
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static struct SendRecvMgr sSendRecvMgr;
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static u16 sJoyNewOrRepeated;
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static u16 sJoyNew;
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static u16 sSendRecvStatus;
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static u16 sCounter1;
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static u32 sCounter2;
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static u16 sSavedIme;
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static u16 sSavedIe;
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static u16 sSavedTm3Cnt;
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static u16 sSavedSioCnt;
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static u16 sSavedRCnt;
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static const struct TrainerHillTrainer sTrainerHillTrainerTemplates_JP[] = {
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[0] = {
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@ -390,217 +420,217 @@ static const struct TrainerHillTrainer sTrainerHillTrainerTemplates_JP[] = {
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},
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};
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static u8 sub_81D38D4(void)
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static u8 GetTrainerHillUnkVal(void)
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{
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return (gSaveBlock1Ptr->trainerHill.unused + 1) % 256;
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}
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static bool32 Struct_EReaderTrainerHillTrainer_ValidateChecksum(struct EReaderTrainerHillTrainer *arg0)
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static bool32 ValidateTrainerChecksum(struct EReaderTrainerHillTrainer * hillTrainer)
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{
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int checksum = CalcByteArraySum((u8 *)arg0, 0x270);
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if (checksum != arg0->checksum)
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int checksum = CalcByteArraySum((u8 *)hillTrainer, offsetof(typeof(*hillTrainer), checksum));
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if (checksum != hillTrainer->checksum)
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return FALSE;
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return TRUE;
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}
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bool8 EReader_IsReceivedDataValid(struct EReaderTrainerHillSet *buffer)
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bool8 ValidateTrainerHillData(struct EReaderTrainerHillSet * hillSet)
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{
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u32 i;
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u32 checksum;
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int var0 = buffer->count;
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if (var0 < 1 || var0 > 8)
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int numTrainers = hillSet->numTrainers;
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// Validate number of trainers
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if (numTrainers < 1 || numTrainers > NUM_TRAINER_HILL_TRAINERS)
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return FALSE;
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for (i = 0; i < var0; i++)
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// Validate trainers
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for (i = 0; i < numTrainers; i++)
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{
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if (!Struct_EReaderTrainerHillTrainer_ValidateChecksum(&buffer->unk_8[i]))
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if (!ValidateTrainerChecksum(&hillSet->trainers[i]))
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return FALSE;
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}
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checksum = CalcByteArraySum((u8 *)buffer->unk_8, var0 * sizeof(struct EReaderTrainerHillTrainer));
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if (checksum != buffer->checksum)
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// Validate checksum
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checksum = CalcByteArraySum((u8 *)hillSet->trainers, numTrainers * sizeof(struct EReaderTrainerHillTrainer));
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if (checksum != hillSet->checksum)
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return FALSE;
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return TRUE;
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}
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static bool32 TrainerHill_VerifyChecksum(struct EReaderTrainerHillSet *buffer)
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static bool32 ValidateTrainerHillChecksum(struct EReaderTrainerHillSet *hillSet)
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{
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u32 checksum;
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int var0 = buffer->count;
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if (var0 < 1 || var0 > 8)
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int numTrainers = hillSet->numTrainers;
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if (numTrainers < 1 || numTrainers > NUM_TRAINER_HILL_TRAINERS)
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return FALSE;
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checksum = CalcByteArraySum((u8 *)buffer->unk_8, sizeof(struct EReaderTrainerHillSet) - offsetof(struct EReaderTrainerHillSet, unk_8));
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if (checksum != buffer->checksum)
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checksum = CalcByteArraySum((u8 *)hillSet->trainers, sizeof(struct EReaderTrainerHillSet) - offsetof(struct EReaderTrainerHillSet, trainers));
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if (checksum != hillSet->checksum)
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return FALSE;
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return TRUE;
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}
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static bool32 TryWriteTrainerHill_r(struct EReaderTrainerHillSet *ttdata, struct TrHillTag *buffer2)
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static bool32 TryWriteTrainerHill_Internal(struct EReaderTrainerHillSet * hillSet, struct TrHillTag * hillTag)
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{
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int i;
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AGB_ASSERT_EX(ttdata->dummy == 0, "cereader_tool.c", 450);
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AGB_ASSERT_EX(ttdata->id == 0, "cereader_tool.c", 452);
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AGB_ASSERT_EX(hillSet->dummy == 0, "cereader_tool.c", 450);
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AGB_ASSERT_EX(hillSet->id == 0, "cereader_tool.c", 452);
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memset(buffer2, 0, 0x1000);
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buffer2->numTrainers = ttdata->count;
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buffer2->unused1 = sub_81D38D4();
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buffer2->numFloors = (ttdata->count + 1) / 2;
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memset(hillTag, 0, SECTOR_SIZE);
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hillTag->numTrainers = hillSet->numTrainers;
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hillTag->unused1 = GetTrainerHillUnkVal();
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hillTag->numFloors = (hillSet->numTrainers + 1) / TRAINER_HILL_TRAINERS_PER_FLOOR;
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for (i = 0; i < ttdata->count; i++)
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for (i = 0; i < hillSet->numTrainers; i++)
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{
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if (!(i & 1))
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{
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buffer2->floors[i / 2].trainerNum1 = ttdata->unk_8[i].unk0;
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buffer2->floors[i / 2].display = ttdata->unk_8[i].unk14C;
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buffer2->floors[i / 2].trainers[0] = ttdata->unk_8[i].unk4;
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hillTag->floors[i / TRAINER_HILL_TRAINERS_PER_FLOOR].trainerNum1 = hillSet->trainers[i].trainerNum;
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hillTag->floors[i / TRAINER_HILL_TRAINERS_PER_FLOOR].display = hillSet->trainers[i].display;
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hillTag->floors[i / TRAINER_HILL_TRAINERS_PER_FLOOR].trainers[0] = hillSet->trainers[i].trainer;
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}
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else
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{
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buffer2->floors[i / 2].trainerNum2 = ttdata->unk_8[i].unk0;
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buffer2->floors[i / 2].trainers[1] = ttdata->unk_8[i].unk4;
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hillTag->floors[i / TRAINER_HILL_TRAINERS_PER_FLOOR].trainerNum2 = hillSet->trainers[i].trainerNum;
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hillTag->floors[i / TRAINER_HILL_TRAINERS_PER_FLOOR].trainers[1] = hillSet->trainers[i].trainer;
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}
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}
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if (i & 1)
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{
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buffer2->floors[i / 2].trainers[1] = sTrainerHillTrainerTemplates_JP[i / 2];
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hillTag->floors[i / TRAINER_HILL_TRAINERS_PER_FLOOR].trainers[1] = sTrainerHillTrainerTemplates_JP[i / TRAINER_HILL_TRAINERS_PER_FLOOR];
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}
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buffer2->checksum = CalcByteArraySum((u8 *)buffer2->floors, 4 * sizeof(struct TrHillFloor));
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if (TryWriteSpecialSaveSection(SECTOR_ID_TRAINER_HILL, (u8 *)buffer2) != SAVE_STATUS_OK)
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hillTag->checksum = CalcByteArraySum((u8 *)hillTag->floors, NUM_TRAINER_HILL_FLOORS * sizeof(struct TrHillFloor));
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if (TryWriteSpecialSaveSection(SECTOR_ID_TRAINER_HILL, (u8 *)hillTag) != SAVE_STATUS_OK)
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return FALSE;
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return TRUE;
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}
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bool32 TryWriteTrainerHill(struct EReaderTrainerHillSet *arg0)
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bool32 TryWriteTrainerHill(struct EReaderTrainerHillSet * hillSet)
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{
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void *var0 = AllocZeroed(0x1000);
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bool32 result = TryWriteTrainerHill_r(arg0, var0);
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Free(var0);
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void *buffer = AllocZeroed(SECTOR_SIZE);
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bool32 result = TryWriteTrainerHill_Internal(hillSet, buffer);
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Free(buffer);
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return result;
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}
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static bool32 TryReadTrainerHill_r(struct EReaderTrainerHillSet *dst, u8 *buffer)
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static bool32 TryReadTrainerHill_Internal(struct EReaderTrainerHillSet * dest, u8 * buffer)
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{
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if (TryReadSpecialSaveSection(SECTOR_ID_TRAINER_HILL, buffer) != SAVE_STATUS_OK)
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return FALSE;
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memcpy(dst, buffer, sizeof(struct EReaderTrainerHillSet));
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if (!TrainerHill_VerifyChecksum(dst))
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memcpy(dest, buffer, sizeof(struct EReaderTrainerHillSet));
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if (!ValidateTrainerHillChecksum(dest))
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return FALSE;
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return TRUE;
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}
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static bool32 TryReadTrainerHill(struct EReaderTrainerHillSet *arg0)
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static bool32 TryReadTrainerHill(struct EReaderTrainerHillSet * hillSet)
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{
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u8 *var0 = AllocZeroed(0x1000);
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bool32 result = TryReadTrainerHill_r(arg0, var0);
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Free(var0);
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u8 *buffer = AllocZeroed(SECTOR_SIZE);
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bool32 result = TryReadTrainerHill_Internal(hillSet, buffer);
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Free(buffer);
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return result;
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}
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bool32 ReadTrainerHillAndValidate(void)
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{
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struct EReaderTrainerHillSet *var0 = AllocZeroed(0x1000);
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bool32 result = TryReadTrainerHill(var0);
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Free(var0);
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struct EReaderTrainerHillSet *hillSet = AllocZeroed(SECTOR_SIZE);
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bool32 result = TryReadTrainerHill(hillSet);
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Free(hillSet);
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return result;
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}
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int EReader_Send(int arg0, u32 *arg1)
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int EReader_Send(int size, const void * src)
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{
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int result;
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u16 var0;
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int var1;
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int sendStatus;
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EReaderHelper_SaveRegsState();
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while (1)
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{
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sub_81D4170();
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if (gUnknown_030012E2 & 2)
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GetKeyInput();
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if (sJoyNew & B_BUTTON)
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gShouldAdvanceLinkState = 2;
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var1 = EReaderHandleTransfer(1, arg0, arg1, NULL);
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gUnknown_030012E4 = var1;
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if ((gUnknown_030012E4 & 0x13) == 0x10)
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sendStatus = EReaderHandleTransfer(1, size, src, NULL);
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sSendRecvStatus = sendStatus;
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if ((sSendRecvStatus & 0x13) == 0x10)
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{
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result = 0;
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break;
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}
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if (gUnknown_030012E4 & 0x8)
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else if (sSendRecvStatus & 0x8)
|
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{
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result = 1;
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break;
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}
|
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var0 = gUnknown_030012E4 & 0x4;
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if (var0)
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else if (sSendRecvStatus & 0x4)
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{
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result = 2;
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break;
|
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}
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gShouldAdvanceLinkState = var0;
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VBlankIntrWait();
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else
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{
|
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gShouldAdvanceLinkState = 0;
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VBlankIntrWait();
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}
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}
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CpuFill32(0, &gUnknown_030012C8, sizeof(struct Unknown030012C8));
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CpuFill32(0, &sSendRecvMgr, sizeof(sSendRecvMgr));
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EReaderHelper_RestoreRegsState();
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return result;
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}
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int EReader_Recv(u32 *arg0)
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int EReader_Recv(void * dest)
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{
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int result;
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u16 var0;
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int var1;
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int recvStatus;
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EReaderHelper_SaveRegsState();
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while (1)
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{
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sub_81D4170();
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if (gUnknown_030012E2 & 2)
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GetKeyInput();
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if (sJoyNew & B_BUTTON)
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gShouldAdvanceLinkState = 2;
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var1 = EReaderHandleTransfer(0, 0, NULL, arg0);
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gUnknown_030012E4 = var1;
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if ((gUnknown_030012E4 & 0x13) == 0x10)
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recvStatus = EReaderHandleTransfer(0, 0, NULL, dest);
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sSendRecvStatus = recvStatus;
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if ((sSendRecvStatus & 0x13) == 0x10)
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{
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result = 0;
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break;
|
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}
|
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if (gUnknown_030012E4 & 0x8)
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else if (sSendRecvStatus & 0x8)
|
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{
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result = 1;
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break;
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}
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var0 = gUnknown_030012E4 & 0x4;
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if (var0)
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else if (sSendRecvStatus & 0x4)
|
||||
{
|
||||
result = 2;
|
||||
break;
|
||||
}
|
||||
|
||||
gShouldAdvanceLinkState = var0;
|
||||
VBlankIntrWait();
|
||||
else
|
||||
{
|
||||
gShouldAdvanceLinkState = 0;
|
||||
VBlankIntrWait();
|
||||
}
|
||||
}
|
||||
|
||||
CpuFill32(0, &gUnknown_030012C8, sizeof(struct Unknown030012C8));
|
||||
CpuFill32(0, &sSendRecvMgr, sizeof(sSendRecvMgr));
|
||||
EReaderHelper_RestoreRegsState();
|
||||
return result;
|
||||
}
|
||||
|
||||
static void sub_81D3C7C(void)
|
||||
static void CloseSerial(void)
|
||||
{
|
||||
REG_IME = 0;
|
||||
REG_IE &= ~(INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
|
||||
@ -610,7 +640,7 @@ static void sub_81D3C7C(void)
|
||||
REG_IF = INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL;
|
||||
}
|
||||
|
||||
static void sub_81D3CBC(void)
|
||||
static void OpenSerialMulti(void)
|
||||
{
|
||||
REG_IME = 0;
|
||||
REG_IE &= ~(INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
|
||||
@ -622,273 +652,271 @@ static void sub_81D3CBC(void)
|
||||
REG_IE |= INTR_FLAG_SERIAL;
|
||||
REG_IME = 1;
|
||||
|
||||
if (!gUnknown_030012C8.unk0[1])
|
||||
CpuFill32(0, &gUnknown_030012C8, sizeof(struct Unknown030012C8));
|
||||
if (sSendRecvMgr.state == 0)
|
||||
CpuFill32(0, &sSendRecvMgr, sizeof(sSendRecvMgr));
|
||||
}
|
||||
|
||||
static void sub_81D3D34(void)
|
||||
static void OpenSerial32(void)
|
||||
{
|
||||
REG_RCNT = 0;
|
||||
REG_SIOCNT = SIO_32BIT_MODE | SIO_INTR_ENABLE;
|
||||
REG_SIOCNT |= SIO_MULTI_SD;
|
||||
gShouldAdvanceLinkState = 0;
|
||||
gUnknown_030012E6 = 0;
|
||||
gUnknown_030012E8 = 0;
|
||||
sCounter1 = 0;
|
||||
sCounter2 = 0;
|
||||
}
|
||||
|
||||
int EReaderHandleTransfer(u8 arg0, u32 arg1, u32 *arg2, u32 *arg3)
|
||||
int EReaderHandleTransfer(u8 mode, size_t size, const void * data, void * recvBuffer)
|
||||
{
|
||||
switch (gUnknown_030012C8.unk0[1])
|
||||
switch (sSendRecvMgr.state)
|
||||
{
|
||||
case 0:
|
||||
sub_81D3CBC();
|
||||
gUnknown_030012C8.unk0[2] = 1;
|
||||
gUnknown_030012C8.unk0[1] = 1;
|
||||
case EREADER_XFR_STATE_INIT:
|
||||
OpenSerialMulti();
|
||||
sSendRecvMgr.xferState = EREADER_XFER_EXE;
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_HANDSHAKE;
|
||||
break;
|
||||
case 1:
|
||||
if (sub_81D3EE8(arg0))
|
||||
sub_81D413C();
|
||||
case EREADER_XFR_STATE_HANDSHAKE:
|
||||
if (DetermineSendRecvState(mode))
|
||||
EnableSio();
|
||||
|
||||
if (gShouldAdvanceLinkState == 2)
|
||||
{
|
||||
gUnknown_030012C8.unk0[4] = 2;
|
||||
gUnknown_030012C8.unk0[1] = 6;
|
||||
sSendRecvMgr.cancellationReason = EREADER_CANCEL_KEY;
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_DONE;
|
||||
}
|
||||
break;
|
||||
case 2:
|
||||
sub_81D3D34();
|
||||
sub_81D3F1C(arg1, arg2, arg3);
|
||||
gUnknown_030012C8.unk0[1] = 3;
|
||||
case EREADER_XFR_STATE_START:
|
||||
OpenSerial32();
|
||||
SetUpTransferManager(size, data, recvBuffer);
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_TRANSFER;
|
||||
// fall through
|
||||
case 3:
|
||||
case EREADER_XFR_STATE_TRANSFER:
|
||||
if (gShouldAdvanceLinkState == 2)
|
||||
{
|
||||
gUnknown_030012C8.unk0[4] = 2;
|
||||
gUnknown_030012C8.unk0[1] = 6;
|
||||
sSendRecvMgr.cancellationReason = EREADER_CANCEL_KEY;
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_DONE;
|
||||
}
|
||||
else
|
||||
{
|
||||
gUnknown_030012E6++;
|
||||
gUnknown_030012E8++;
|
||||
if (!gUnknown_030012C8.unk0[0] && gUnknown_030012E8 > 60)
|
||||
sCounter1++;
|
||||
sCounter2++;
|
||||
if (!sSendRecvMgr.isParent && sCounter2 > 60)
|
||||
{
|
||||
gUnknown_030012C8.unk0[4] = 1;
|
||||
gUnknown_030012C8.unk0[1] = 6;
|
||||
sSendRecvMgr.cancellationReason = EREADER_CANCEL_TIMEOUT;
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_DONE;
|
||||
}
|
||||
|
||||
if (gUnknown_030012C8.unk0[2] != 2)
|
||||
if (sSendRecvMgr.xferState != EREADER_XFER_CHK)
|
||||
{
|
||||
if (gUnknown_030012C8.unk0[0] && gUnknown_030012E6 > 2)
|
||||
if (sSendRecvMgr.isParent && sCounter1 > 2)
|
||||
{
|
||||
sub_81D413C();
|
||||
gUnknown_030012C8.unk0[2] = 2;
|
||||
EnableSio();
|
||||
sSendRecvMgr.xferState = EREADER_XFER_CHK;
|
||||
}
|
||||
else
|
||||
{
|
||||
sub_81D413C();
|
||||
gUnknown_030012C8.unk0[2] = 2;
|
||||
EnableSio();
|
||||
sSendRecvMgr.xferState = EREADER_XFER_CHK;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 4:
|
||||
sub_81D3CBC();
|
||||
gUnknown_030012C8.unk0[1] = 5;
|
||||
case EREADER_XFR_STATE_TRANSFER_DONE:
|
||||
OpenSerialMulti();
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_CHECKSUM;
|
||||
break;
|
||||
case 5:
|
||||
if (gUnknown_030012C8.unk0[0] == 1 && gUnknown_030012E6 > 2)
|
||||
sub_81D413C();
|
||||
case EREADER_XFR_STATE_CHECKSUM:
|
||||
if (sSendRecvMgr.isParent == TRUE && sCounter1 > 2)
|
||||
EnableSio();
|
||||
|
||||
if (++gUnknown_030012E6 > 60)
|
||||
if (++sCounter1 > 60)
|
||||
{
|
||||
gUnknown_030012C8.unk0[4] = 1;
|
||||
gUnknown_030012C8.unk0[1] = 6;
|
||||
sSendRecvMgr.cancellationReason = EREADER_CANCEL_TIMEOUT;
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_DONE;
|
||||
}
|
||||
break;
|
||||
case 6:
|
||||
if (gUnknown_030012C8.unk0[2])
|
||||
case EREADER_XFR_STATE_DONE:
|
||||
if (sSendRecvMgr.xferState)
|
||||
{
|
||||
sub_81D3C7C();
|
||||
gUnknown_030012C8.unk0[2] = 0;
|
||||
CloseSerial();
|
||||
sSendRecvMgr.xferState = 0;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return gUnknown_030012C8.unk0[2] | (gUnknown_030012C8.unk0[4] << 2) | (gUnknown_030012C8.unk0[3] << 4);
|
||||
return (sSendRecvMgr.xferState << EREADER_XFER_SHIFT)
|
||||
| (sSendRecvMgr.cancellationReason << EREADER_CANCEL_SHIFT)
|
||||
| (sSendRecvMgr.checksumResult << EREADER_CHECKSUM_SHIFT);
|
||||
}
|
||||
|
||||
static u16 sub_81D3EE8(u8 arg0)
|
||||
static u16 DetermineSendRecvState(u8 mode)
|
||||
{
|
||||
u16 terminal = (*(vu32 *)REG_ADDR_SIOCNT) & (SIO_MULTI_SI | SIO_MULTI_SD);
|
||||
if (terminal == SIO_MULTI_SD && arg0)
|
||||
{
|
||||
gUnknown_030012C8.unk0[0] = 1;
|
||||
return 1;
|
||||
}
|
||||
bool16 resp;
|
||||
if ((*(vu32 *)REG_ADDR_SIOCNT & (SIO_MULTI_SI | SIO_MULTI_SD)) == SIO_MULTI_SD && mode)
|
||||
resp = sSendRecvMgr.isParent = TRUE;
|
||||
else
|
||||
{
|
||||
gUnknown_030012C8.unk0[0] = 0;
|
||||
return 0;
|
||||
}
|
||||
resp = sSendRecvMgr.isParent = FALSE;
|
||||
return resp;
|
||||
}
|
||||
|
||||
static void sub_81D3F1C(u32 arg0, u32 *arg1, u32 *arg2)
|
||||
static void SetUpTransferManager(size_t size, const void * data, void * recvBuffer)
|
||||
{
|
||||
if (gUnknown_030012C8.unk0[0])
|
||||
if (sSendRecvMgr.isParent)
|
||||
{
|
||||
REG_SIOCNT |= SIO_38400_BPS;
|
||||
gUnknown_030012C8.unk8 = arg1;
|
||||
REG_SIODATA32 = arg0;
|
||||
gUnknown_030012C8.unk10 = arg0 / 4 + 1;
|
||||
sub_81D3F68();
|
||||
sSendRecvMgr.data = (void *)data;
|
||||
REG_SIODATA32 = size;
|
||||
sSendRecvMgr.size = size / 4 + 1;
|
||||
StartTm3();
|
||||
}
|
||||
else
|
||||
{
|
||||
REG_SIOCNT = REG_SIOCNT;
|
||||
gUnknown_030012C8.unk8 = arg2;
|
||||
sSendRecvMgr.data = recvBuffer;
|
||||
}
|
||||
}
|
||||
|
||||
static void sub_81D3F68(void)
|
||||
static void StartTm3(void)
|
||||
{
|
||||
REG_TM3CNT_L = 0xFDA7;
|
||||
REG_TM3CNT_L = -601;
|
||||
REG_TM3CNT_H = TIMER_INTR_ENABLE;
|
||||
REG_IME = 0;
|
||||
REG_IE |= INTR_FLAG_TIMER3;
|
||||
REG_IME = 1;
|
||||
}
|
||||
|
||||
void sub_81D3F9C(void)
|
||||
void EReaderHelper_Timer3Callback(void)
|
||||
{
|
||||
sub_81D414C();
|
||||
sub_81D413C();
|
||||
DisableTm3();
|
||||
EnableSio();
|
||||
}
|
||||
|
||||
void sub_81D3FAC(void)
|
||||
void EReaderHelper_SerialCallback(void)
|
||||
{
|
||||
u16 i, playerCount, k;
|
||||
u32 value;
|
||||
u16 var0;
|
||||
u16 recvBuffer[4];
|
||||
u16 i, cnt1, cnt2;
|
||||
u32 recv32;
|
||||
u16 recv[4];
|
||||
|
||||
switch (gUnknown_030012C8.unk0[1])
|
||||
switch (sSendRecvMgr.state)
|
||||
{
|
||||
case 1:
|
||||
case EREADER_XFR_STATE_HANDSHAKE:
|
||||
REG_SIOMLT_SEND = 0xCCD0; // Handshake id
|
||||
*(u64 *)recvBuffer = REG_SIOMLT_RECV;
|
||||
for (i = 0, playerCount = 0, k = 0; i < 4; i++)
|
||||
*(u64 *)recv = REG_SIOMLT_RECV;
|
||||
for (i = 0, cnt1 = 0, cnt2 = 0; i < 4; i++)
|
||||
{
|
||||
if (recvBuffer[i] == 0xCCD0)
|
||||
playerCount++;
|
||||
else if (recvBuffer[i] != 0xFFFF)
|
||||
k++;
|
||||
if (recv[i] == 0xCCD0)
|
||||
cnt1++;
|
||||
else if (recv[i] != 0xFFFF)
|
||||
cnt2++;
|
||||
}
|
||||
|
||||
if (playerCount == 2 && k == 0)
|
||||
gUnknown_030012C8.unk0[1] = 2;
|
||||
if (cnt1 == 2 && cnt2 == 0)
|
||||
sSendRecvMgr.state = 2;
|
||||
break;
|
||||
case 3:
|
||||
value = REG_SIODATA32;
|
||||
if (!gUnknown_030012C8.unkC && !gUnknown_030012C8.unk0[0])
|
||||
gUnknown_030012C8.unk10 = value / 4 + 1;
|
||||
case EREADER_XFR_STATE_TRANSFER:
|
||||
recv32 = REG_SIODATA32;
|
||||
// The first value sent by the EReader is the payload size
|
||||
if (!sSendRecvMgr.cursor && !sSendRecvMgr.isParent)
|
||||
sSendRecvMgr.size = recv32 / 4 + 1;
|
||||
|
||||
if (gUnknown_030012C8.unk0[0] == 1)
|
||||
if (sSendRecvMgr.isParent == TRUE)
|
||||
{
|
||||
if (gUnknown_030012C8.unkC < gUnknown_030012C8.unk10)
|
||||
// Send mode
|
||||
if (sSendRecvMgr.cursor < sSendRecvMgr.size)
|
||||
{
|
||||
REG_SIODATA32 = gUnknown_030012C8.unk8[gUnknown_030012C8.unkC];
|
||||
gUnknown_030012C8.unk14 += gUnknown_030012C8.unk8[gUnknown_030012C8.unkC];
|
||||
REG_SIODATA32 = sSendRecvMgr.data[sSendRecvMgr.cursor];
|
||||
sSendRecvMgr.checksum += sSendRecvMgr.data[sSendRecvMgr.cursor];
|
||||
}
|
||||
else
|
||||
{
|
||||
REG_SIODATA32 = gUnknown_030012C8.unk14;
|
||||
REG_SIODATA32 = sSendRecvMgr.checksum;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (gUnknown_030012C8.unkC > 0 && gUnknown_030012C8.unkC < gUnknown_030012C8.unk10 + 1)
|
||||
// Receive mode
|
||||
if (sSendRecvMgr.cursor > 0 && sSendRecvMgr.cursor < sSendRecvMgr.size + 1)
|
||||
{
|
||||
gUnknown_030012C8.unk8[gUnknown_030012C8.unkC - 1] = value;
|
||||
gUnknown_030012C8.unk14 += value;
|
||||
sSendRecvMgr.data[sSendRecvMgr.cursor - 1] = recv32;
|
||||
sSendRecvMgr.checksum += recv32;
|
||||
}
|
||||
else if (gUnknown_030012C8.unkC)
|
||||
else if (sSendRecvMgr.cursor)
|
||||
{
|
||||
if (gUnknown_030012C8.unk14 == value)
|
||||
gUnknown_030012C8.unk0[3] = 1;
|
||||
if (sSendRecvMgr.checksum == recv32)
|
||||
sSendRecvMgr.checksumResult = EREADER_CHECKSUM_OK;
|
||||
else
|
||||
gUnknown_030012C8.unk0[3] = 2;
|
||||
sSendRecvMgr.checksumResult = EREADER_CHECKSUM_ERR;
|
||||
}
|
||||
|
||||
gUnknown_030012E8 = 0;
|
||||
sCounter2 = 0;
|
||||
}
|
||||
|
||||
if (++gUnknown_030012C8.unkC < gUnknown_030012C8.unk10 + 2)
|
||||
if (++sSendRecvMgr.cursor < sSendRecvMgr.size + 2)
|
||||
{
|
||||
if (gUnknown_030012C8.unk0[0])
|
||||
if (sSendRecvMgr.isParent)
|
||||
REG_TM3CNT_H |= TIMER_ENABLE;
|
||||
else
|
||||
sub_81D413C();
|
||||
EnableSio();
|
||||
}
|
||||
else
|
||||
{
|
||||
gUnknown_030012C8.unk0[1] = 4;
|
||||
gUnknown_030012E6 = 0;
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_TRANSFER_DONE;
|
||||
sCounter1 = 0;
|
||||
}
|
||||
break;
|
||||
case 5:
|
||||
if (!gUnknown_030012C8.unk0[0])
|
||||
REG_SIOMLT_SEND = gUnknown_030012C8.unk0[3];
|
||||
case EREADER_XFR_STATE_CHECKSUM:
|
||||
if (!sSendRecvMgr.isParent)
|
||||
REG_SIOMLT_SEND = sSendRecvMgr.checksumResult;
|
||||
|
||||
*(u64 *)recvBuffer = REG_SIOMLT_RECV;
|
||||
var0 = recvBuffer[1] - 1;
|
||||
if (var0 < 2)
|
||||
*(vu64 *)recv = REG_SIOMLT_RECV;
|
||||
if (recv[1] == EREADER_CHECKSUM_OK || recv[1] == EREADER_CHECKSUM_ERR)
|
||||
{
|
||||
if (gUnknown_030012C8.unk0[0] == 1)
|
||||
gUnknown_030012C8.unk0[3] = recvBuffer[1];
|
||||
if (sSendRecvMgr.isParent == TRUE)
|
||||
sSendRecvMgr.checksumResult = recv[1]; // EReader has (in)validated the payload
|
||||
|
||||
gUnknown_030012C8.unk0[1] = 6;
|
||||
sSendRecvMgr.state = EREADER_XFR_STATE_DONE;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void sub_81D413C(void)
|
||||
static void EnableSio(void)
|
||||
{
|
||||
REG_SIOCNT |= SIO_ENABLE;
|
||||
}
|
||||
|
||||
static void sub_81D414C(void)
|
||||
static void DisableTm3(void)
|
||||
{
|
||||
REG_TM3CNT_H &= ~TIMER_ENABLE;
|
||||
REG_TM3CNT_L = 0xFDA7;
|
||||
}
|
||||
|
||||
static void sub_81D4170(void)
|
||||
static void GetKeyInput(void)
|
||||
{
|
||||
int keysMask = REG_KEYINPUT ^ KEYS_MASK;
|
||||
gUnknown_030012E2 = keysMask & ~gUnknown_030012E0;
|
||||
gUnknown_030012E0 = keysMask;
|
||||
int rawKeys = REG_KEYINPUT ^ KEYS_MASK;
|
||||
sJoyNew = rawKeys & ~sJoyNewOrRepeated;
|
||||
sJoyNewOrRepeated = rawKeys;
|
||||
}
|
||||
|
||||
void EReaderHelper_SaveRegsState(void)
|
||||
{
|
||||
gUnknown_030012EC = REG_IME;
|
||||
gUnknown_030012EE = REG_IE;
|
||||
gUnknown_030012F0 = REG_TM3CNT_H;
|
||||
gUnknown_030012F2 = REG_SIOCNT;
|
||||
gUnknown_030012F4 = REG_RCNT;
|
||||
sSavedIme = REG_IME;
|
||||
sSavedIe = REG_IE;
|
||||
sSavedTm3Cnt = REG_TM3CNT_H;
|
||||
sSavedSioCnt = REG_SIOCNT;
|
||||
sSavedRCnt = REG_RCNT;
|
||||
}
|
||||
|
||||
void EReaderHelper_RestoreRegsState(void)
|
||||
{
|
||||
REG_IME = gUnknown_030012EC;
|
||||
REG_IE = gUnknown_030012EE;
|
||||
REG_TM3CNT_H = gUnknown_030012F0;
|
||||
REG_SIOCNT = gUnknown_030012F2;
|
||||
REG_RCNT = gUnknown_030012F4;
|
||||
REG_IME = sSavedIme;
|
||||
REG_IE = sSavedIe;
|
||||
REG_TM3CNT_H = sSavedTm3Cnt;
|
||||
REG_SIOCNT = sSavedSioCnt;
|
||||
REG_RCNT = sSavedRCnt;
|
||||
}
|
||||
|
||||
void sub_81D4238(void)
|
||||
void EReaderHelper_ClearSendRecvMgr(void)
|
||||
{
|
||||
CpuFill32(0, &gUnknown_030012C8, sizeof(struct Unknown030012C8));
|
||||
CpuFill32(0, &sSendRecvMgr, sizeof(sSendRecvMgr));
|
||||
}
|
||||
|
||||
@ -47,10 +47,10 @@ static void sub_81D4D50(struct Unk03006370 *arg0, int arg1, u32 *arg2)
|
||||
{
|
||||
volatile u16 backupIME = REG_IME;
|
||||
REG_IME = 0;
|
||||
gIntrTable[1] = sub_81D3FAC;
|
||||
gIntrTable[2] = sub_81D3F9C;
|
||||
gIntrTable[1] = EReaderHelper_SerialCallback;
|
||||
gIntrTable[2] = EReaderHelper_Timer3Callback;
|
||||
EReaderHelper_SaveRegsState();
|
||||
sub_81D4238();
|
||||
EReaderHelper_ClearSendRecvMgr();
|
||||
REG_IE |= INTR_FLAG_VCOUNT;
|
||||
REG_IME = backupIME;
|
||||
arg0->unk0 = 0;
|
||||
@ -62,7 +62,7 @@ static void sub_81D4DB8(struct Unk03006370 *arg0)
|
||||
{
|
||||
volatile u16 backupIME = REG_IME;
|
||||
REG_IME = 0;
|
||||
sub_81D4238();
|
||||
EReaderHelper_ClearSendRecvMgr();
|
||||
EReaderHelper_RestoreRegsState();
|
||||
RestoreSerialTimer3IntrHandlers();
|
||||
REG_IME = backupIME;
|
||||
@ -401,7 +401,7 @@ static void sub_81D5084(u8 taskId)
|
||||
}
|
||||
break;
|
||||
case 15:
|
||||
data->unkE = EReader_IsReceivedDataValid((struct EReaderTrainerHillSet *)gDecompressionBuffer);
|
||||
data->unkE = ValidateTrainerHillData((struct EReaderTrainerHillSet *)gDecompressionBuffer);
|
||||
SetCloseLinkCallbackAndType(data->unkE);
|
||||
data->unk8 = 16;
|
||||
break;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user