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SIO: KrossX new changes for Memcards, seems ok on a test of random 10-15 random games, please report if any errors appear! 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5781 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
refraction 2013-12-29 21:57:17 +00:00
parent bcb8a0e991
commit e8f31a3e3e
3 changed files with 187 additions and 107 deletions
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278
pcsx2/Sio.cpp
View File

@ -303,46 +303,22 @@ SIO_WRITE memcardAuth(u8 data)
}
}
SIO_WRITE memcardTransfer(u8 data)
SIO_WRITE memcardErase(u8 data)
{
static MEMCARD_TRANSFER mode;
static u8 subCmd = 0;
static u8 checksum_pos = 0;
static u8 transfer_size = 0;
switch(sio.bufCount)
{
case 0: break;
case 0:
if(data != 0x81) sio.bufCount = -1;
break;
case 1:
{
u8 header[] = {0xFF, 0xFF, 0xFF, 0x2B, mcd->term};
switch(data)
{
case 0x42: // Write
memcpy_fast(sio.buf, header, 4);
mode = MEM_WRITE;
break;
case 0x43: // Read
memcpy_fast(sio.buf, header, 4);
mode = MEM_READ;
break;
case 0x81: // Commit
siomode = SIO_DUMMY; // Nothing more to do here.
mode = MEM_COMMIT;
memcpy_fast(sio.buf, &header[1], 4);
sio.bufSize = 3;
if(subCmd == 0x42) sio2.packet.recvVal1 = 0x1600; // Writing
if(subCmd == 0x43) sio2.packet.recvVal1 = 0x1700; // Reading
sio2.packet.recvVal3 = 0x8C;
break;
case 0x82: // Erase
siomode = SIO_DUMMY; // Nothing more to do here.
mode = MEM_ERASE;
//siomode = SIO_DUMMY; // Nothing more to do here.
memcpy_fast(sio.buf, &header[1], 4);
sio.bufSize = 3;
mcd->EraseBlock();
@ -350,13 +326,73 @@ SIO_WRITE memcardTransfer(u8 data)
default:
DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
mode = MEM_INVALID;
sio.bufSize = 3;
sio.bufCount = 4;
sio.bufCount = -1;
//sio.bufSize = 3;
//sio.bufCount = 4;
break;
}
}
SIO_INT();
break;
default:
if(sio.bufCount > sio.bufSize)
{
if(data == 0x81)
{
SIO_STAT_READY();
sio.bufCount = 0x00;
}
}
break;
}
}
SIO_WRITE memcardWrite(u8 data)
{
static u8 checksum_pos = 0;
static u8 transfer_size = 0;
static bool once = false;
switch(sio.bufCount)
{
case 0:
if(data != 0x81) sio.bufCount = -1;
break;
case 1:
{
u8 header[] = {0xFF, 0xFF, 0xFF, 0x2B, mcd->term};
switch(data)
{
case 0x42: // Write
memcpy_fast(sio.buf, header, 4);
once = true;
break;
case 0x81: // Commit
if(once)
{
siomode = SIO_DUMMY; // Nothing more to do here.
memcpy_fast(sio.buf, &header[1], 4);
sio.bufSize = 3;
sio2.packet.recvVal1 = 0x1600; // Writing
sio2.packet.recvVal3 = 0x8C;
once = false;
break;
}
default:
DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
sio.bufCount = -1;
//sio.bufSize = 3;
//sio.bufCount = 4;
break;
}
subCmd = data;
}
SIO_INT();
break;
@ -364,45 +400,27 @@ SIO_WRITE memcardTransfer(u8 data)
case 2:
transfer_size = data;
switch(mode)
{
case MEM_WRITE:
sio.buf[data + 5] = mcd->term;
sio.bufSize = data + 5;
checksum_pos = data + 4;
break;
case MEM_READ:
mcd->Read(&sio.buf[4], transfer_size);
mcd->transferAddr += transfer_size;
sio.buf[transfer_size + 4] = mcd->DoXor(&sio.buf[4], transfer_size);
sio.buf[transfer_size + 5] = mcd->term;
sio.bufSize = transfer_size + 5;
break;
}
sio.buf[data + 5] = mcd->term;
sio.bufSize = data + 5;
checksum_pos = data + 4;
break;
default:
switch(mode)
{
case MEM_WRITE:
if(sio.bufCount < checksum_pos)
{
sio.buf[sio.bufCount+1] = data;
}
else if(sio.bufCount == checksum_pos)
{
u8 xor_check = mcd->DoXor(&sio.buf[4], checksum_pos - 4);
if(xor_check != sio.buf[sio.bufCount])
Console.Warning("MemWrite: Checksum invalid! XOR: %02X, IN: %02X\n", xor_check, sio.buf[sio.bufCount]);
sio.buf[sio.bufCount] = xor_check;
mcd->Write(&sio.buf[4], transfer_size);
mcd->transferAddr += transfer_size;
}
break;
if(sio.bufCount < checksum_pos)
{
sio.buf[sio.bufCount+1] = data;
}
else if(sio.bufCount == checksum_pos)
{
u8 xor_check = mcd->DoXor(&sio.buf[4], checksum_pos - 4);
if(xor_check != sio.buf[sio.bufCount])
Console.Warning("MemWrite: Checksum invalid! XOR: %02X, IN: %02X\n", xor_check, sio.buf[sio.bufCount]);
sio.buf[sio.bufCount] = xor_check;
mcd->Write(&sio.buf[4], transfer_size);
mcd->transferAddr += transfer_size;
}
if(sio.bufCount > sio.bufSize)
@ -417,33 +435,103 @@ SIO_WRITE memcardTransfer(u8 data)
}
}
SIO_WRITE memcardRead(u8 data)
{
static u8 checksum_pos = 0;
static u8 transfer_size = 0;
static bool once = false;
switch(sio.bufCount)
{
case 0:
if(data != 0x81) sio.bufCount = -1;
break;
case 1:
{
u8 header[] = {0xFF, 0xFF, 0xFF, 0x2B, mcd->term};
switch(data)
{
case 0x43: // Read
memcpy_fast(sio.buf, header, 4);
once = true;
break;
case 0x81: // Commit
if(once)
{
siomode = SIO_DUMMY; // Nothing more to do here.
memcpy_fast(sio.buf, &header[1], 4);
sio.bufSize = 3;
sio2.packet.recvVal1 = 0x1700; // Reading
sio2.packet.recvVal3 = 0x8C;
once = false;
break;
}
default:
DevCon.Warning("%s cmd: %02X??\n", __FUNCTION__, data);
sio.bufCount = -1;
//sio.bufSize = 3;
//sio.bufCount = 4;
break;
}
}
SIO_INT();
break;
case 2:
transfer_size = data;
mcd->Read(&sio.buf[4], transfer_size);
mcd->transferAddr += transfer_size;
sio.buf[transfer_size + 4] = mcd->DoXor(&sio.buf[4], transfer_size);
sio.buf[transfer_size + 5] = mcd->term;
sio.bufSize = transfer_size + 5;
break;
default:
if(sio.bufCount > sio.bufSize)
{
if(data == 0x81)
{
SIO_STAT_READY();
sio.bufCount = 0x00;
}
}
break;
}
}
SIO_WRITE memcardSector(u8 data)
{
static u8 xor_check = 0;
static bool sectorDone = false;
if(!sectorDone)
switch(sio.bufCount)
{
switch(sio.bufCount)
{
case 2: mcd->sectorAddr = data << 0; xor_check = data; break;
case 3: mcd->sectorAddr |= data << 8; xor_check ^= data; break;
case 4: mcd->sectorAddr |= data << 16; xor_check ^= data; break;
case 5: mcd->sectorAddr |= data << 24; xor_check ^= data; break;
case 6: mcd->goodSector = data == xor_check; break;
case 8: mcd->transferAddr = (512+16) * mcd->sectorAddr; break;
case 9: memset8<0xFF>(sio.buf); sectorDone = true;
}
}
else
{
if (data == 0x81) // SET_SECTOR End
{
SIO_STAT_READY();
sectorDone = false;
sio.bufCount = 0;
siomode = SIO_MEMCARD_TRANSFER;
};
case 9:
{
switch(sio.cmd)
{
case 0x21: siomode = SIO_MEMCARD_ERASE; break;
case 0x22: siomode = SIO_MEMCARD_WRITE; break;
case 0x23: siomode = SIO_MEMCARD_READ; break;
}
memset8<0xFF>(sio.buf);
sio.bufCount = -1;
}
}
}
@ -500,8 +588,6 @@ SIO_WRITE memcardInit()
SIO_WRITE sioWriteMemcard(u8 data)
{
static u8 siocmd = 0;
switch(sio.bufCount)
{
case 0:
@ -511,7 +597,7 @@ SIO_WRITE sioWriteMemcard(u8 data)
break;
case 1:
siocmd = data;
sio.cmd = data;
switch(data)
{
case 0x21: // SET_SECTOR_ERASE
@ -585,7 +671,7 @@ SIO_WRITE sioWriteMemcard(u8 data)
break;
case 2:
switch(siocmd)
switch(sio.cmd)
{
case 0x27: // SET_TERMINATOR
mcd->term = data;
@ -598,8 +684,6 @@ SIO_WRITE sioWriteMemcard(u8 data)
SIO_WRITE sioWriteMemcardPSX(u8 data)
{
static u8 siocmd = 0;
switch(sio.bufCount)
{
case 0: // Same init stuff...
@ -609,7 +693,7 @@ SIO_WRITE sioWriteMemcardPSX(u8 data)
break;
case 1:
siocmd = data;
sio.cmd = data;
switch(data)
{
case 0x53: // PSX 'S'tate // haven't seen it happen yet
@ -655,7 +739,7 @@ SIO_WRITE sioWriteMemcardPSX(u8 data)
break;
case 6:
if(siocmd == 0x52)
if(sio.cmd == 0x52)
{
// READ
@ -724,7 +808,9 @@ static void sioWrite8inl(u8 data)
case SIO_INFRARED: sioWriteInfraRed(data); break;
case SIO_MEMCARD: sioWriteMemcard(data); break;
case SIO_MEMCARD_AUTH: memcardAuth(data); break;
case SIO_MEMCARD_TRANSFER: memcardTransfer(data); break;
case SIO_MEMCARD_ERASE: memcardErase(data); break;
case SIO_MEMCARD_WRITE: memcardWrite(data); break;
case SIO_MEMCARD_READ: memcardRead(data); break;
case SIO_MEMCARD_SECTOR: memcardSector(data); break;
case SIO_MEMCARD_PSX: sioWriteMemcardPSX(data); break;
case SIO_DUMMY: break;

3
pcsx2/Sio.h
View File

@ -94,7 +94,8 @@ struct _sio
u8 buf[256];
u8 ret; // default return value;
u8 cmd; // command backup
u16 bufCount; // current buffer counter
u16 bufSize; // supposed buffer size

13
pcsx2/sio_internal.h
View File

@ -67,15 +67,6 @@ void inline DEVICE_UNPLUGGED()
memset8<0x00>(sio.buf);
}
enum MEMCARD_TRANSFER
{
MEM_INVALID = 0,
MEM_WRITE,
MEM_READ,
MEM_ERASE,
MEM_COMMIT
};
enum SIO_MODE
{
SIO_START = 0,
@ -84,7 +75,9 @@ enum SIO_MODE
SIO_INFRARED,
SIO_MEMCARD,
SIO_MEMCARD_AUTH,
SIO_MEMCARD_TRANSFER,
SIO_MEMCARD_ERASE,
SIO_MEMCARD_WRITE,
SIO_MEMCARD_READ,
SIO_MEMCARD_SECTOR,
SIO_MEMCARD_PSX,
SIO_DUMMY