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Decompile STWI_start_command

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This commit is contained in:
shinyquagsire23
2017-09-11 17:49:50 -06:00
parent 3c51ecded9
commit a8a6816f0e
2 changed files with 26 additions and 60 deletions
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30
src/librfu.c
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@@ -73,7 +73,7 @@ struct RfuStruct
vs32 unk_0;
u8 txParams;
u8 unk_5;
u8 unk_6;
u8 activeCommand;
u8 unk_7;
u8 unk_8;
u8 unk_9;
@@ -187,7 +187,7 @@ void AgbRFU_SoftReset(void)
gRfuState->unk_0 = 0;
gRfuState->txParams = 0;
gRfuState->unk_5 = 0;
gRfuState->unk_6 = 0;
gRfuState->activeCommand = 0;
gRfuState->unk_7 = 0;
gRfuState->unk_8 = 0;
gRfuState->unk_9 = 0;
@@ -215,7 +215,7 @@ u16 STWI_read_status(u8 index)
case 2:
return gRfuState->unk_0;
case 3:
return gRfuState->unk_6;
return gRfuState->activeCommand;
default:
return 0xFFFF;
}
@@ -702,7 +702,7 @@ u16 STWI_init(u8 request)
else
{
gRfuState->unk_2c = TRUE;
gRfuState->unk_6 = request;
gRfuState->activeCommand = request;
gRfuState->unk_0 = 0;
gRfuState->txParams = 0;
gRfuState->unk_5 = 0;
@@ -719,3 +719,25 @@ u16 STWI_init(u8 request)
return FALSE;
}
}
int STWI_start_Command()
{
u16 imeTemp;
// Yes, it matters that it's casted to a u32...
*(u32*)gRfuState->txPacket->rfuPacket8.data = 0x99660000 | (gRfuState->txParams << 8) | gRfuState->activeCommand;
REG_SIODATA32 = gRfuState->txPacket->rfuPacket32.command;
gRfuState->unk_0 = 0;
gRfuState->unk_5 = 1;
imeTemp = REG_IME;
REG_IME = 0;
REG_IE |= (INTR_FLAG_TIMER0 << gRfuState->timerSelect);
REG_IE |= INTR_FLAG_SERIAL;
REG_IME = imeTemp;
REG_SIOCNT = SIO_INTR_ENABLE | SIO_32BIT_MODE | SIO_MULTI_BUSY | SIO_115200_BPS;
return 0;
}