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GameShark.sbp
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GameShark.sbp
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' ===================== GameShark, ProActionReplay Pro ========================
Const NUS_GS_BIOS_OFFSET = CART_BASEADR_ROM + &HC00000
Const NUS_GS_HEADER_OFFSET = CART_BASEADR_ROM + 0
Const GS_FLASH_ID = &H0808BFBF
Type NUS_GS_HEADER
Initial_Reg As Word
isCompress As Byte '12h = uncomplessed 13 = complessed
uk1[4] As Byte
EntryPoint As DWord
uk2 As DWord
CRC1 As DWord
CRC2 As DWord
uk3[1] As DWord
Title[31] As Byte
'<< SLOTED CART HEADER >>
slotedCartHeader As NUS_ROM_HEADER
End Type
Function GS_GetHeader(gs_header As *NUS_GS_HEADER ) As BOOL
Dim inbuf[256] As Byte, inSize As DWord
NUS_SetAddress(NUS_GS_HEADER_OFFSET)
NUS_readRequest(256/2)
FTDI_SendCommand()
FT_Read(hFT, inbuf, 256, inSize)
memcpy(gs_header, inbuf, sizeof(NUS_GS_HEADER))
End Function
Const GS_BIOS_SIZE = 256*1024
Sub GS_Dump()
Dim GsHeader As NUS_GS_HEADER
N64PowerON()
GS_GetHeader(VarPtr(GsHeader))
GsHeader.slotedCartHeader.Raw.uk4[0] = 0
Dim fileName[64] As Byte
memcpy(fileName, GsHeader.Title, 32)
fileName[32] = 0
printf(ex"GS-FIRMWARE: %s\nENTRY-POINT: 0x%08X\nSLOTED-GAME: %s\n", _
fileName, _
ChangeEndianDW2(GsHeader.EntryPoint), _
GsHeader.slotedCartHeader.Title _
)
Dim i As Long
For i = 0 To 31
if fileName[i] = GetByte(":") then fileName[i] = GetByte("_")
Next i
lstrcat(fileName, ".bin")
' lstrcpy(fileName, "gs-bios.bin")
Dim out As File
out.openFile(fileName, GENERIC_WRITE)
printf(ex"Dumping")
Dim buffer[512] As Byte, inBuf As DWord, inSize As DWord
For i = 0 To (GS_BIOS_SIZE/NUS_DUMP_BUFFER_SIZE)-1
NUS_SetAddress(NUS_GS_BIOS_OFFSET + i*NUS_DUMP_BUFFER_SIZE)
NUS_readRequest(NUS_DUMP_BUFFER_SIZE/2)
FTDI_SendCommand()
FT_Read(hFT, buffer, NUS_DUMP_BUFFER_SIZE, inSize)
out.write(buffer, NUS_DUMP_BUFFER_SIZE)
printf(".")
Next i
out.close()
N64PowerOFF()
printf(ex"\nDone.\nSaved to: %s\n", fileName)
End Sub
Const FLASH_SHIFT = 1
Const GS_BASE = CART_BASEADR_ROM
' SST29LE010はVID = BF, DeviceId = 08
' 16bitに8bitづつ並列接続されているので0xBF 0xBF 0x08 0x08
Function GS_GetFlashId() As DWord
N64PowerON()
' A0はバイト選択(上位Flash, 下位Flashの選択)なので実際のアドレスバスには出ていない
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HAAAA)
NUS_SetAddress(GS_BASE + (&H2AAA << FLASH_SHIFT))
NUS_writeData(&H5555)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&H8080)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HAAAA)
NUS_SetAddress(GS_BASE + (&H2AAA << FLASH_SHIFT))
NUS_writeData(&H5555)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&H6060)
' Read manufacturer ID
NUS_SetAddress(GS_BASE)
NUS_readRequest(2)
Dim inbuf[NUS_DUMP_BUFFER_SIZE] As Byte, inSize As DWord
ZeroMemory(inbuf, NUS_DUMP_BUFFER_SIZE)
FTDI_SendCommand()
FT_Read(hFT, inbuf, 4, inSize)
N64PowerOFF()
GS_RestFlash()
GS_GetFlashId = GetDWord(inbuf)
End Function
Sub GS_RestFlash()
N64PowerON()
' A0はバイト選択(上位Flash, 下位Flashの選択)なので実際のアドレスバスには出ていない
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HAAAA)
NUS_SetAddress(GS_BASE + (&H2AAA << FLASH_SHIFT))
NUS_writeData(&H5555)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HF0F0)
FTDI_SendCommand()
N64PowerOFF()
End Sub
Sub GS_EraseFlash()
N64PowerON()
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HAAAA)
NUS_SetAddress(GS_BASE + (&H2AAA << FLASH_SHIFT))
NUS_writeData(&H5555)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&H8080)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HAAAA)
NUS_SetAddress(GS_BASE + (&H2AAA << FLASH_SHIFT))
NUS_writeData(&H5555)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&H1010)
FTDI_SendCommand()
' Wait TSCE ::: 20ms
Sleep(40)
N64PowerOFF()
End Sub
Const GS_PAGESIZE = 256
Sub GS_WritePage(page As DWord, data As BytePtr)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HAAAA)
NUS_SetAddress(GS_BASE + (&H2AAA << FLASH_SHIFT))
NUS_writeData(&H5555)
NUS_SetAddress(GS_BASE + (&H5555 << FLASH_SHIFT))
NUS_writeData(&HA0A0)
' Dump(data, 256, )
Dim i As Long, writeData As Word
For i = 0 To GS_PAGESIZE-1 Step 2
' Set Write Address
NUS_SetAddress(NUS_GS_BIOS_OFFSET + page*GS_PAGESIZE + i)
NUS_writeData( ((data[ i ] << 8) And &HFF00) Or (data[ i+1 ] And &HFF) )
Next i
FTDI_SendCommand()
Sleep(20)
End Sub
Function GS_WriteFlash(buf As BytePtr, size As DWord) As BOOL
Dim i As Long
Dim nBank As Long
nBank = size / GS_PAGESIZE
For i = 0 To nBank-1
printf(ex"[GS-WRITE] %d/%d %d%% \r", i, nBank, i*100/nBank)
GS_WritePage(i, buf + GS_PAGESIZE*i)
Next i
printf(ex"\n\n")
End Function
Function GS_WriteFromFile(filename As BytePtr) As BOOL
Dim in As File, buf As BytePtr
if in.openFile(filename, GENERIC_READ) = FALSE then
GS_WriteFromFile = FALSE
ExitFunction
endif
GS_EraseFlash()
Dim size As Long
size = in.length()
if size>GS_BIOS_SIZE then size = GS_BIOS_SIZE
buf = calloc( size )
in.read( buf, size )
N64PowerON()
FTDI_SendCommand()
Sleep(10)
GS_WriteFlash( buf, size )
N64PowerOFF()
FTDI_SendCommand()
in.close()
free(buf)
End Function