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sub_800BEC0

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This commit is contained in:
PikalaxALT 2017-11-16 23:37:09 -05:00
parent cc37d7e15b
commit 3c20c54b83
5 changed files with 52 additions and 38 deletions
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38
asm/link.s
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@ -7,44 +7,6 @@
// RFU; bss indicates that no file boundary exists here
thumb_func_start sub_800BEC0
sub_800BEC0: @ 800BEC0
push {r4,lr}
bl rfu_REQBN_softReset_and_checkID
adds r4, r0, 0
ldr r0, =0x00008001
cmp r4, r0
bne _0800BED4
ldr r1, =gUnknown_03004140
movs r0, 0x1
strb r0, [r1, 0x8]
_0800BED4:
ldr r0, =gUnknown_03004140
ldrb r2, [r0, 0x4]
adds r1, r0, 0
cmp r2, 0x17
beq _0800BEE8
cmp r2, 0x1
beq _0800BEE8
movs r0, 0
strb r0, [r1, 0x5]
strb r0, [r1, 0x4]
_0800BEE8:
movs r0, 0
strb r0, [r1, 0x7]
strb r0, [r1, 0xD]
strb r0, [r1, 0x1]
strb r0, [r1]
movs r0, 0xFF
strb r0, [r1, 0x6]
bl sub_800D610
adds r0, r4, 0
pop {r4}
pop {r1}
bx r1
.pool
thumb_func_end sub_800BEC0
thumb_func_start rfu_REQ_sendData_wrapper
rfu_REQ_sendData_wrapper: @ 800BF0C
push {lr}

1
include/librfu.h
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@ -108,3 +108,4 @@ extern struct RfuStruct *gRfuState;
void STWI_init_all(struct RfuIntrStruct *interruptStruct, IntrFunc *interrupt, bool8 copyInterruptToRam);
void rfu_REQ_stopMode(void);
void rfu_waitREQComplete(void);
u32 rfu_REQBN_softReset_and_checkID(void);

16
include/link_rfu.h
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@ -3,8 +3,24 @@
// Exported type declarations
struct UnkRfuStruct_1 {
u8 unk_00;
u8 unk_01;
u8 unk_02;
u8 unk_03;
u8 unk_04;
u8 unk_05;
u8 unk_06;
u8 unk_07;
u8 unk_08;
u8 filler_09[4];
u8 unk_0d;
};
// Exported RAM declarations
extern struct UnkRfuStruct_1 gUnknown_03004140;
// Exported ROM declarations
u32 sub_800BEC0(void);
void sub_800E700(void);

31
src/link.c
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@ -143,12 +143,14 @@ static u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size);
static void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2);
static void LinkCB_RequestPlayerDataExchange(void);
static void Task_PrintTestData(u8 taskId);
static void sub_800AC80(void);
static void sub_800ACAC(void);
static void sub_800AD5C(void);
static void sub_800AD88(void);
static void sub_800AE30(void);
static void sub_800AE5C(void);
static void CheckErrorStatus(void);
static void CB2_PrintErrorMessage(void);
static bool8 IsSioMultiMaster(void);
@ -159,6 +161,7 @@ static void CheckMasterOrSlave(void);
static void InitTimer(void);
static void EnqueueSendCmd(u16 *sendCmd);
static void DequeueRecvCmds(u16 (*recvCmds)[CMD_LENGTH]);
static void StartTransfer(void);
static bool8 DoHandshake(void);
static void DoRecv(void);
@ -166,6 +169,8 @@ static void DoSend(void);
static void StopTimer(void);
static void SendRecvDone(void);
void sub_800D610(void);
// .rodata
ALIGNED(4) const u16 gWirelessLinkDisplayPal[] = INCBIN_U16("graphics/interface/wireless_link_display.gbapal");
@ -2436,3 +2441,29 @@ void ResetRecvBuffer(void)
}
}
}
// rfu
u32 sub_800BEC0(void)
{
u32 r4;
u8 r2;
r4 = rfu_REQBN_softReset_and_checkID();
if (r4 == 0x8001)
{
gUnknown_03004140.unk_08 = 1;
}
if (gUnknown_03004140.unk_04 != 0x17 && gUnknown_03004140.unk_04 != 0x01)
{
gUnknown_03004140.unk_05 = 0;
gUnknown_03004140.unk_04 = 0;
}
gUnknown_03004140.unk_07 = 0;
gUnknown_03004140.unk_0d = 0;
gUnknown_03004140.unk_01 = 0;
gUnknown_03004140.unk_00 = 0;
gUnknown_03004140.unk_06 = -1;
sub_800D610();
return r4;
}

4
src/link_rfu.c
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@ -1,9 +1,13 @@
// Includes
#include "global.h"
#include "link.h"
#include "link_rfu.h"
// Static type declarations
struct UnkRfuStruct_1 gUnknown_03004140;
// Static RAM declarations
IWRAM_DATA u8 gUnknown_03000D78[8];
IWRAM_DATA u8 gUnknown_03000D80[16];