diff options
Diffstat (limited to 'src/Wifi.cpp')
| -rw-r--r-- | src/Wifi.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/Wifi.cpp b/src/Wifi.cpp index 37039c5..d454dd0 100644 --- a/src/Wifi.cpp +++ b/src/Wifi.cpp @@ -48,6 +48,32 @@ u16 RFData2; u32 RFRegs[0x40]; +// multiplayer host TX sequence: +// 1. preamble +// 2. IRQ7 +// 3. send data +// 4. wait for client replies (duration: 112 + ((10 * CMD_REPLYTIME) * numclients)) +// 5. IRQ7 +// 6. send ack (16 bytes) +// 7. IRQ12 (and optional IRQ1) +// +// RFSTATUS values: +// 0 = initial +// 1 = RX???? +// 2 = switching from RX to TX +// 3 = TX +// 4 = switching from TX to RX +// 5 = MP host data sent, waiting for replies (RFPINS=0x0084) +// 6 = RX +// 7 = ?? +// 8 = MP host sending ack (RFPINS=0x0046) +// 9 = idle + + +// wifi TODO: +// * work out how power saving works, there are oddities + + void Reset() { memset(RAM, 0, 0x2000); @@ -131,6 +157,13 @@ void SetIRQ14(bool forced) IOPORT(W_TXReqRead) &= 0xFFF2; // todo, eventually? // TODO: actually send beacon + if (IOPORT(W_TXSlotBeacon) & 0x8000) + { + printf("SEND BEACON\n"); + /*FILE* f = fopen("beacon.bin", "wb"); + fwrite(RAM, 0x2000, 1, f); + fclose(f);*/ + } if (IOPORT(W_ListenCount) == 0) IOPORT(W_ListenCount) = IOPORT(W_ListenInterval); @@ -460,6 +493,21 @@ void Write(u32 addr, u16 val) break; + case W_RXCnt: + if (val & 0x0001) + { + IOPORT(W_RXBufWriteCursor) = IOPORT(W_RXBufWriteAddr); + } + if (val & 0x0080) + { + IOPORT(W_TXSlotReply2) = IOPORT(W_TXSlotReply1); + IOPORT(W_TXSlotReply1) = 0; + } + val &= 0xFF0E; + if (val & 0x7FFF) printf("wifi: unknown RXCNT bits set %04X\n", val); + break; + + case W_TXBufDataWrite: { u32 wraddr = IOPORT(W_TXBufWriteAddr) & 0x1FFE; |