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https://github.com/dolphin-emu/dolphin.git
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Stage1: Introducing MotionPlus as emulated extension, allowing us to boot games that require the MotionPlus itself.
I also already implemented most of the needed data structures and datareport handling for the motionplus-nunchuk passthrough mode, which I'll add up next as well. Wii Sports Resort is now bootable by just using an emulated wiimote (only working under the old wiimote plugin atm, I asked billiard to port my commit into his plugin since he knows his plugin better than me and its less work for him than for me, I kept most parts of my code in modules to simplify that task). Upcoming stage2: Faking the motionplus on the fly on real wiimotes, that means you will be able to play, e.g. Redsteel2 with a real wiimote and nunchuk or wii sports resort with just your real wiimote. and nunchuk, but w/o the need of having a real motionpluscontroller connected. The new Zelda 2010 will benefit by that, since it will require a motionplus controller. git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5438 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
snzgoo
parent
f6ce87765f
commit
7742e1a6dd
11 changed files with 530 additions and 77 deletions
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@ -45,7 +45,6 @@ extern SWiimoteInitialize g_WiimoteInitialize;
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namespace WiiMoteEmu
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{
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extern void PAD_Rumble(u8 _numPAD, unsigned int _uType);
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/* Here we process the Output Reports that the Wii sends. Our response will be
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@ -190,7 +189,7 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
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{
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u32 address = convert24bit(rd->address);
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u16 size = convert16bit(rd->size);
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u8 addressHI = (address >> 16) & 0xFE;
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INFO_LOG(WIIMOTE, "Read data");
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DEBUG_LOG(WIIMOTE, " Read data Space: %x", rd->space);
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DEBUG_LOG(WIIMOTE, " Read data Address: 0x%06x", address);
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@ -205,7 +204,7 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
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PanicAlert("WmReadData: address + size out of bounds");
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return;
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}
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SendReadDataReply(_channelID, g_Eeprom[g_ID] + address, address, (int)size);
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SendReadDataReply(_channelID, g_Eeprom[g_ID] + address, address, addressHI, (int)size);
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/*DEBUG_LOG(WIIMOTE, "Read RegEeprom: Size: %i, Address: %08x, Offset: %08x",
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size, address, (address & 0xffff));*/
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}
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@ -213,7 +212,7 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
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{
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u8* block;
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u32 blockSize;
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switch((address >> 16) & 0xFE)
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switch(addressHI)
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{
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case 0xA2:
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block = g_RegSpeaker[g_ID];
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@ -230,10 +229,6 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
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// MotionPlus is pretty much just a dummy atm :p
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case 0xA6:
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block = g_RegMotionPlus[g_ID];
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block[0xFC] = 0xA6;
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block[0xFD] = 0x20;
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block[0xFE] = 0x00;
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block[0xFF] = 0x05;
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blockSize = WIIMOTE_REG_EXT_SIZE;
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DEBUG_LOG(WIIMOTE, " Case 0xa6: MotionPlusReg [%x]", address);
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break;
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@ -251,7 +246,7 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
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}
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// Encrypt data that is read from the Wiimote Extension Register
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if(((address >> 16) & 0xfe) == 0xa4)
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if(addressHI == 0xa4)
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{
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// Check if encrypted reads is on
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if(g_RegExt[g_ID][0xf0] == 0xaa)
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@ -274,9 +269,13 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
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PanicAlert("WmReadData: address + size out of bounds! [%d %d %d]", address, size, blockSize);
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return;
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}
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//3x read error due activated(or not present device, which is not the case), WII will await a status report after init and attempting to read from write-only area @A600FE/FF
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if ((g_MotionPlusReadError[g_ID] == 2) && (g_RegExt[g_ID][0xFF]== 0x05)) { //if motionplus is active, its in the current ExtReg, 0xFF will be always 0x05
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WmRequestStatus(_channelID, (wm_request_status*) rd, 1);
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}
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// Let this function process the message and send it to the Wii
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SendReadDataReply(_channelID, block + address, address, (u8)size);
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SendReadDataReply(_channelID, block + address, address, addressHI, (u8)size);
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}
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else
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{
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@ -295,7 +294,7 @@ void WmReadData(u16 _channelID, wm_read_data* rd)
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_Address: The starting address inside the registry, this is used to check for out of bounds reading
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_Size: The total size to send
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*/
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void SendReadDataReply(u16 _channelID, void* _Base, u16 _Address, int _Size)
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void SendReadDataReply(u16 _channelID, void* _Base, u16 _Address, u8 _AddressHI, int _Size)
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{
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int dataOffset = 0;
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const u8* data = (const u8*)_Base;
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@ -340,6 +339,24 @@ void SendReadDataReply(u16 _channelID, void* _Base, u16 _Address, int _Size)
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pReply->size = 0x0f;
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pReply->error = 0x08;
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}
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if (WiiMapping[g_ID].bMotionPlusConnected)
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{
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//MP+ will try to read from this Registeraddress, expecting an error if a previous WM+ activation has been succesful
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//it also returns an error if there was no WM+ present at all
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if (((_Address == 0x00FE ) || (_Address == 0x00FF )) && (_AddressHI == 0xA6))
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{
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//Check if MP+ is activated, resp. if its in the current RegExt.
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if ((g_RegExt[g_ID][0xFF] == 0x05) && (g_RegMotionPlus[g_ID][0xFF] != 0x05))
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{
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pReply->size = 0x0f;
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pReply->error = 0x07; //error: write-only area when activated/or not present
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// we use the read error at the same time as an indicator whether we need to send a faked 0x37 report or not
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g_MotionPlusReadError[g_ID]++;
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}
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}
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}
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// Logging
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DEBUG_LOG(WIIMOTE, "SendReadDataReply");
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@ -369,12 +386,11 @@ void SendReadDataReply(u16 _channelID, void* _Base, u16 _Address, int _Size)
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void WmWriteData(u16 _channelID, wm_write_data* wd)
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{
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u32 address = convert24bit(wd->address);
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u8 addressHI = (address >> 16) & 0xFE;
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INFO_LOG(WIIMOTE, "Write data");
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DEBUG_LOG(WIIMOTE, " Space: %x", wd->space);
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DEBUG_LOG(WIIMOTE, " Address: 0x%06x", address);
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DEBUG_LOG(WIIMOTE, " Size: 0x%02x", wd->size);
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// Write to EEPROM
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if(wd->size <= 16 && wd->space == WM_SPACE_EEPROM)
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{
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@ -390,7 +406,7 @@ void WmWriteData(u16 _channelID, wm_write_data* wd)
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{
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u8* block;
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u32 blockSize;
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switch((address >> 16) & 0xFE)
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switch(addressHI)
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{
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case 0xA2:
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block = g_RegSpeaker[g_ID];
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@ -422,7 +438,6 @@ void WmWriteData(u16 _channelID, wm_write_data* wd)
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return;
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}
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// Remove for example 0xa40000 from the address
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address &= 0xFFFF;
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// Check if the address is within bounds
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@ -430,7 +445,7 @@ void WmWriteData(u16 _channelID, wm_write_data* wd)
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PanicAlert("WmWriteData: address + size out of bounds!");
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return;
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}
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// Finally write the registers to the right structure
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memcpy(block + address, wd->data, wd->size);
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@ -442,7 +457,10 @@ void WmWriteData(u16 _channelID, wm_write_data* wd)
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if(address >= 0x40 && address <= 0x4c)
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wiimote_gen_key(&g_ExtKey[g_ID], &g_RegExt[g_ID][0x40]);
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}
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if (WiiMapping[g_ID].bMotionPlusConnected) {
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HandlingMotionPlusWrites(wd->data, addressHI, address);
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}
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}
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else
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{
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@ -487,7 +505,7 @@ void WmRequestStatus(u16 _channelID, wm_request_status* rs, int Extension)
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if (Extension == -1)
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{
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// Read config value for the first time
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pStatus->extension = (WiiMapping[g_ID].iExtensionConnected == EXT_NONE) ? 0 : 1;
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pStatus->extension = ((g_MotionPlus[g_ID]) || (WiiMapping[g_ID].iExtensionConnected != EXT_NONE)) ? 1 : 0;
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}
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else
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{
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@ -501,10 +519,121 @@ void WmRequestStatus(u16 _channelID, wm_request_status* rs, int Extension)
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DEBUG_LOG(WIIMOTE, " IR: %x", pStatus->ir);
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DEBUG_LOG(WIIMOTE, " LEDs: %x", pStatus->leds);
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g_WiimoteInitialize.pWiimoteInput(g_ID, _channelID, DataFrame, Offset);
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// Debugging
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//ReadDebugging(true, DataFrame, Offset);
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}
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void HandlingMotionPlusWrites(u8* data, u8 addressHI, u32 address){
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switch (addressHI)
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{
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case 0xA4:
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switch (address)
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{
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case 0x00FE:
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if (data[0] == 0x00) {
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if ((g_RegExt[g_ID][0xFF] == 0x05) && (g_RegMotionPlus[g_ID][0xFF] != 0x05))
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{
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SwapExtRegisters();
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DEBUG_LOG(WIIMOTE, "Writing [0x%02x] to [0x%02x:%04x]: Disabling WM+ and swapping registers back", data[0], addressHI, address);
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}
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else {
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DEBUG_LOG(WIIMOTE, "Writing [0x%02x] to [0x%02x:%04x]: WM+ already inactive", data[0], addressHI, address);
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}
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g_MotionPlus[g_ID] = 1;
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}
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break;
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case 0x00FB:
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//1. Initializing the extension: writing 0x55 ->0xA400F0 and then 0x00 to 0xA400FB.
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//2. Disables an active wiimote; ext disconnect.
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if (data[0] == 0x00) {
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//1. connecting extension
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if ((g_RegExt[g_ID][0xFF] != 0x05) && (g_RegMotionPlus[g_ID][0xFF] == 0x05))
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{
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g_RegMotionPlus[g_ID][0xFE] = 0x04;
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g_RegMotionPlus[g_ID][0xF7] = 0x08; //control init byte, ingame check
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SwapExtRegisters();
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DEBUG_LOG(WIIMOTE, "Writing [0x%02x] to [0x%02x:%04x]: Enabling WM+ and swapping rgisters", data[0], addressHI, address);
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g_MotionPlus[g_ID] = 0;
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} //2. disconnecting extension
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else if ((g_RegExt[g_ID][0xFF] == 0x05) && (g_RegMotionPlus[g_ID][0xFF] != 0x05)){
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g_RegExt[g_ID][0xFE] = 0x04;
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g_MotionPlus[g_ID] = 1;
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DEBUG_LOG(WIIMOTE, "Writing [0x%02x] to [0x%02x:%04x]: Disabling WM+ and swapping registers back", data[0], addressHI, address);
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}
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}
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break;
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}
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break;
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case 0xA6:
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switch (address)
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{
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case 0x00FE:
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//Enabling WM+, swapping extension registers
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if (data[0] == 0x05) {
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if ((g_RegExt[g_ID][0xFF] != 0x05) && (g_RegMotionPlus[g_ID][0xFF] == 0x05) ) {
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//The WII will try to read from the readprotected A6 WM+ register now, we need to reply with an error each time,
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//plus sent an statusreport 0x20(depending on if nunchuk inserted or not)
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g_MotionPlusReadError[g_ID] = 0;
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g_MotionPlus[g_ID] = 1;
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SwapExtRegisters();
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DEBUG_LOG(WIIMOTE, "Writing [0x%02x] to [0x%02x:%04x]: Enabling WM+ and swapping rgisters back", data[0], addressHI, address);
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}
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else {
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DEBUG_LOG(WIIMOTE, "Writing [0x%02x] to [0x%02x:%04x]: WM already enabled no register swapping", data[0], addressHI, address);
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}
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}
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break;
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case 0x00F0: //init() WM+, this will change some control bits in the WM+ register
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if (data[0] == 0x55) { //enables passthroug, convert to 0405* A6 swap
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if ((g_RegMotionPlus[g_ID][0xFF] == 0x05))
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{
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//control init byte, ingame check
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g_RegMotionPlus[g_ID][0xF7] = 0x08;
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//motion plus id
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g_RegMotionPlus[g_ID][0xFE] = 0x05;
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//we will swap the register on write to 0x00FE
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}
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else if (g_RegExt[g_ID][0xFF] == 0x05) { //if the wiimote is already active, we will init() the WM+ directly in the ExtReg
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g_RegExt[g_ID][0xFE] = 0x05;
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g_RegExt[g_ID][0xF7] = 0x08;
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}
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g_MotionPlus[g_ID] = 0;
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}
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break;
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default:
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DEBUG_LOG(WIIMOTE, "Writing [0x%02x] to [0x%02x:%04x]: unknown reason", data[0], addressHI, address);
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break;
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}
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break;
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}
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}
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//Swapping Ext/WM+-registers
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void SwapExtRegisters(){
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memset(g_RegExtTmp, 0, sizeof(g_RegExtTmp));
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memcpy(g_RegExtTmp, g_RegExt[g_ID], sizeof(g_RegExt[0]));
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memset(g_RegExt[0], 0, sizeof(g_RegExt[0]));
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memcpy(g_RegExt[g_ID], g_RegMotionPlus[g_ID], sizeof(g_RegMotionPlus[0]));
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memset(g_RegMotionPlus[0], 0, sizeof(g_RegMotionPlus[0]));
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memcpy(g_RegMotionPlus[g_ID], g_RegExtTmp, sizeof(g_RegExtTmp));
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if (g_RegMotionPlus[g_ID][0xFC]) {
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g_RegMotionPlus[g_ID][0xFC] = 0xa6;
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}
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if (g_RegExt[g_ID][0xFC]) {
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g_RegExt[g_ID][0xFC] = 0xa4;
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}
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}
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} // WiiMoteEmu
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