mirror of
https://github.com/ISpillMyDrink/OpenSuperClone.git
synced 2026-09-28 21:15:36 +00:00
181 lines
4.3 KiB
Plaintext
181 lines
4.3 KiB
Plaintext
seti $printhelp = $printhelp
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seti $help = $help
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if $help = 1
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echo 'Western Digital ROYL read ROM to file using vendor specific commands.'
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echo 'Note that some USB drives do not support these vendor specific commands.'
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echo 'This requires the text variable "file" to be set.'
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echo '"file" is the name of the file to dump the ROM.'
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if $printhelp = 1
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exit 0
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endif
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echo 'Hit ENTER to continue...'
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userinput $choicestring
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previousscript
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endif
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include good_subroutines.osc
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# set a blank string variable to compare with user input
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# make sure not to set this anyplace else
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sets $null = ""
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# set this to itself for use with the menu system
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# make sure not to set this anyplace else
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# if it was not previously set it will = 0
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seti $using_menu = $using_menu
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# set the file name to be written
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while 1 = 1
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variablecheck $file
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if $error_level < 16
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seti $ask = 1
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elseif $using_menu = 1
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seti $ask = 1
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endif
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if $ask = 1
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echo "Enter file name:"
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userinput $choicestring
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if $choicestring != $null
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sets $file = $choicestring
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break
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else
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echo "Choice cannot be blank!"
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endif
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else
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break
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endif
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done
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# delete existing file so there is no corruption
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deletefile $file
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# set these for later, and to make it easy to change if needed
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# make sure they are evenly dividable by 512
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# in the case of a stubborn USB drive try setting them to 512
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seti $main_read_block_size = 65536
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seti $alt_read_block_size = 16384
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gosub enable_vsc
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seti $divide_check = $main_read_block_size % 512
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if $divide_check != 0
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echo "main_read_block_size is not dividable by 512"
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previousscript
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endif
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seti $divide_check = $alt_read_block_size % 512
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if $divide_check != 0
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echo "alt_read_block_size is not dividable by 512"
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previousscript
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endif
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# vsc to prepare to get drive data table
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echo "prepare to get data table"
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buffersize 0x200
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clearbuffer
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setbuffer 0
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0d 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
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endbuffer
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setwritepio
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ata28cmd 0xd6 0x01 0xbe 0x4f 0xc2 0xa0 0xb0
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# check if command failed
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gosub status_check
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# vsc to get to get drive data table
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echo "getting data table"
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buffersize 0x200
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clearbuffer
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setreadpio
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ata28cmd 0xd5 0x01 0xbf 0x4f 0xc2 0xa0 0xb0
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# check if command failed
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gosub status_check
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#printbuffer 0 256
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# get the number of 16K rom blocks
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seti $rom_blocks = buffer 164
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# vsc to prepare for rom read
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echo "prepare to read rom"
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buffersize 0x200
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clearbuffer
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setbuffer 0
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24 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
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endbuffer
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setwritepio
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ata28cmd 0xd6 0x01 0xbe 0x4f 0xc2 0xa0 0xb0
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# check if command failed
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gosub status_check
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# send again
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ata28cmd 0xd6 0x01 0xbe 0x4f 0xc2 0xa0 0xb0
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# check if command failed
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gosub status_check
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# vsc to get the rom
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# the rom block size is 16K, or 32 sectors (0x20)
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# 32 sectors * 512 bytes per sector = 16384
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seti $rom_size = $rom_blocks * 16384
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hex
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sets $string = "0x" $rom_size
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decimal
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echo "rom size = " $rom_size " (" $string ")"
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echo "reading rom"
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scratchpadsize $rom_size
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seti $divide_check = $rom_size % $main_read_block_size
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if $divide_check = 0
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seti $buffer_size = $main_read_block_size
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seti $sectors = $main_read_block_size / 512
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seti $block_count = $rom_size / $main_read_block_size
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else
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seti $buffer_size = $alt_read_block_size
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seti $sectors = $alt_read_block_size / 512
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seti $block_count = $rom_size / $alt_read_block_size
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endif
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buffersize $buffer_size
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clearbuffer
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setreadpio
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seti $count = 0
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while $count < $block_count
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ata28cmd 0xd5 $sectors 0xbf 0x4f 0xc2 0xa0 0xb0
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# check if command failed
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gosub status_check
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# copy the buffer to the scratchpad
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seti $offset = $count * $buffer_size
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copybuffertoscratchpad 0 $offset $buffer_size
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# write the buffer to file
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writebuffer $file 0 $offset $buffer_size
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seti $count = $count + 1
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seti $transferred = $count * $buffer_size
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echo $transferred
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done
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gosub disable_vsc
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echo "rom dump successful"
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previousscript
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end
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subroutine enable_vsc
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# enable vendor specific commands
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echo "enable vsc"
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buffersize 0
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setreadpio
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ata28cmd 0x45 0x0b 0x00 0x44 0x57 0xa0 0x80
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# check if command failed
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gosub status_check
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endsubroutine
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subroutine disable_vsc
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# disable vendor specific commands
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echo "disable vsc"
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buffersize 0
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setreadpio
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ata28cmd 0x44 0x0b 0x00 0x44 0x57 0xa0 0x80
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# check if command failed
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gosub status_check
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endsubroutine
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