diff options
Diffstat (limited to 'src/Wifi.cpp')
| -rw-r--r-- | src/Wifi.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/Wifi.cpp b/src/Wifi.cpp index 99d0017..7b59315 100644 --- a/src/Wifi.cpp +++ b/src/Wifi.cpp @@ -129,12 +129,19 @@ void RFTransfer_Type3() u16 Read(u32 addr) { + if (addr >= 0x04810000) + return 0; + addr &= 0x7FFE; //printf("WIFI: read %08X\n", addr); if (addr >= 0x4000 && addr < 0x6000) { return *(u16*)&RAM[addr & 0x1FFE]; } + if (addr >= 0x2000 && addr < 0x4000) + return 0xFFFF; // checkme + + bool activeread = (addr < 0x1000); switch (addr) { @@ -157,6 +164,22 @@ u16 Read(u32 addr) return 0; // TODO eventually (BB busy flag) case W_RFBusy: return 0; // TODO eventually (RF busy flag) + + case W_RXBufDataRead: + if (activeread) + { + u32 rdaddr = IOPORT(W_RXBufReadAddr) & 0x1FFE; + + u16 ret = *(u16*)&RAM[rdaddr]; + + rdaddr += 2; + if (rdaddr == (IOPORT(W_RXBufEnd) & 0x1FFE)) + rdaddr = (IOPORT(W_RXBufBegin) & 0x1FFE); + + IOPORT(W_RXBufReadAddr) = rdaddr & 0x1FFE; + IOPORT(W_RXBufDataRead) = ret; + } + break; } //printf("WIFI: read %08X\n", addr); @@ -165,6 +188,9 @@ u16 Read(u32 addr) void Write(u32 addr, u16 val) { + if (addr >= 0x04810000) + return; + addr &= 0x7FFE; //printf("WIFI: write %08X %04X\n", addr, val); if (addr >= 0x4000 && addr < 0x6000) @@ -172,6 +198,8 @@ void Write(u32 addr, u16 val) *(u16*)&RAM[addr & 0x1FFE] = val; return; } + if (addr >= 0x2000 && addr < 0x4000) + return; switch (addr) { @@ -284,6 +312,20 @@ void Write(u32 addr, u16 val) val &= 0x413F; break; + + case W_TXBufDataWrite: + { + u32 wraddr = IOPORT(W_TXBufWriteAddr) & 0x1FFE; + *(u16*)&RAM[wraddr] = val; + + wraddr += 2; + if (wraddr == (IOPORT(W_TXBufGapAddr) & 0x1FFE)) + wraddr += (IOPORT(W_TXBufGapSize) << 1); + + IOPORT(W_TXBufWriteAddr) = wraddr & 0x1FFE; + } + return; + // read-only ports case 0x000: case 0x044: |