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BAHAHAHAHAHAHAHAHHHH 

THE SNEAKY BASTARDS

so, when the DS receives a beacon with the right BSSID

that beacon's timestamp is copied to USCOUNTER
This commit is contained in:
Arisotura 2022-08-28 12:25:37 +02:00
parent 67630e3913
commit 22d9f3edad
1 changed files with 16 additions and 1 deletions
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17
src/Wifi.cpp
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@ -593,7 +593,6 @@ void SendMPReply(u16 clienttime, u16 clientmask)
IncrementTXCount(slot); IncrementTXCount(slot);
slot->CurPhase = 0; slot->CurPhase = 0;
int txlen = Platform::MP_SendReply(&RAM[slot->Addr], 12 + slot->Length, USTimestamp, IOPORT(W_AIDLow)); int txlen = Platform::MP_SendReply(&RAM[slot->Addr], 12 + slot->Length, USTimestamp, IOPORT(W_AIDLow));
WIFI_LOG("wifi: sent %d/%d bytes of MP reply\n", txlen, 12 + slot->Length); WIFI_LOG("wifi: sent %d/%d bytes of MP reply\n", txlen, 12 + slot->Length);
} }
@ -1543,6 +1542,21 @@ void USTimer(u32 param)
Platform::MP_SendReply(nullptr, 0, USTimestamp, 0); Platform::MP_SendReply(nullptr, 0, USTimestamp, 0);
} }
} }
else if ((*(u16*)&RXBuffer[0] & 0x800F) == 0x8001)
{
// when receiving a beacon with the right BSSID, the beacon's timestamp
// is copied to USCOUNTER
u32 len = *(u16*)&RXBuffer[8];
u16 txrate = *(u16*)&RXBuffer[6];
len *= ((txrate==0x14) ? 4 : 8);
len -= 76; // CHECKME: is this offset fixed?
u64 timestamp = *(u64*)&RXBuffer[12 + 24];
timestamp += (u64)len;
USCounter = timestamp;
}
if ((!ComStatus) && (IOPORT(W_PowerState) & 0x0300)) if ((!ComStatus) && (IOPORT(W_PowerState) & 0x0300))
{ {
@ -1850,6 +1864,7 @@ void Write(u32 addr, u16 val)
return; return;
case W_PowerForce: case W_PowerForce:
//if ((val&0x8001)==0x8000) printf("WIFI: forcing power %04X\n", val); //if ((val&0x8001)==0x8000) printf("WIFI: forcing power %04X\n", val);
val &= 0x8001; val &= 0x8001;
//printf("writing power force %x %08x\n", val, NDS::ARM7->R[15]); //printf("writing power force %x %08x\n", val, NDS::ARM7->R[15]);
if (val == 0x8001) if (val == 0x8001)