Difference between revisions of "Lua:qwordToByteTable"

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[[Category:Lua]]
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'''function''' qwordToByteTable(''Number'') ''':''' table
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Converts a QWORD (8 bytes) to a byte table, interpreting it as an integer.
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 +
 
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Note: If the number is a float only the integer no greater than or no less than the given value will be used.
 +
 
 +
Same as value from 'math.floor'.
 +
 
 +
  i.e.: 8.1 : 8, 8.9 : 8, -8.1 : -8, -8.9 : -8
 +
 
 +
 
 +
Note: If the number is larger than a QWORD (8 bytes) only the lower portion of the number will be used.
 +
 
 +
  i.e.: 0xFFFFFFFFFFFFFFFF00 : 0xFFFFFFFFFFFFFF00
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          8 7 6 5 4 3 2 1 0      7 6 5 4 3 2 1 0
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=== Function Parameters ===
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{|width="85%" cellpadding="10%" cellpadding="5%" cellspacing="0" border="0"
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!align="left"|Parameter
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!align="left"|Type
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!style="width: 80%;background-color:white;" align="left"|Description
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|-
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|Number
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|number
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|The number to convert to a byte table
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|}
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== Examples ==
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  local bt = qwordToByteTable(0xFFFFFFFFFFFFFFFF)
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                              --7 6 5 4 3 2 1 0
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  writeBytes('00123ABC', bt)
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Code:
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  local bt = qwordToByteTable(10)
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  for i, v in ipairs(bt) do
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    print(i - 1, string.format('%02X', v))
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  end
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Output:
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  0 0A
 +
  1 00
 +
  2 00
 +
  3 00
 +
  4 00
 +
  5 00
 +
  6 00
 +
  7 00
 +
 
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Code:
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  local bt = qwordToByteTable(10.9)
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  for i, v in ipairs(bt) do
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    print(i - 1, string.format('%02X', v))
 +
  end
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Output:
 +
  0 0A
 +
  1 00
 +
  2 00
 +
  3 00
 +
  4 00
 +
  5 00
 +
  6 00
 +
  7 00
 +
 
 +
 
 +
Code:
 +
  local bt = qwordToByteTable(0xFFFFFFFFFFFFFFFFFF00)
 +
                              --8 7 6 5 4 4 3 2 1 0
 +
  for i, v in ipairs(bt) do
 +
    print(i - 1, string.format('%02X', v))
 +
  end
 +
 
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Output:
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  0 00
 +
  1 FF
 +
  2 FF
 +
  3 FF
 +
  4 FF
 +
  5 FF
 +
  6 FF
 +
  7 FF
 +
 
 +
 
 +
{{LuaSeeAlso}}
 +
 
 +
=== Related Functions ===
 +
{{ReadWriteMemory}}

Revision as of 19:09, 18 March 2019

function qwordToByteTable(Number) : table

Converts a QWORD (8 bytes) to a byte table, interpreting it as an integer.


Note: If the number is a float only the integer no greater than or no less than the given value will be used.

Same as value from 'math.floor'. 

 i.e.: 8.1 : 8, 8.9 : 8, -8.1 : -8, -8.9 : -8


Note: If the number is larger than a QWORD (8 bytes) only the lower portion of the number will be used. 

 i.e.: 0xFFFFFFFFFFFFFFFF00 : 0xFFFFFFFFFFFFFF00
         8 7 6 5 4 3 2 1 0      7 6 5 4 3 2 1 0

Function Parameters

Parameter Type Description
Number number The number to convert to a byte table


Examples

 local bt = qwordToByteTable(0xFFFFFFFFFFFFFFFF)
                             --7 6 5 4 3 2 1 0
 writeBytes('00123ABC', bt)


Code: 

 local bt = qwordToByteTable(10)
 for i, v in ipairs(bt) do
   print(i - 1, string.format('%02X', v))
 end

Output: 

 0 0A 
 1 00 
 2 00 
 3 00 
 4 00 
 5 00 
 6 00 
 7 00


Code: 

 local bt = qwordToByteTable(10.9)
 for i, v in ipairs(bt) do
   print(i - 1, string.format('%02X', v))
 end

Output: 

 0 0A 
 1 00 
 2 00 
 3 00 
 4 00 
 5 00 
 6 00 
 7 00


Code: 

 local bt = qwordToByteTable(0xFFFFFFFFFFFFFFFFFF00)
                             --8 7 6 5 4 4 3 2 1 0
 for i, v in ipairs(bt) do
   print(i - 1, string.format('%02X', v))
 end

Output: 

 0 00 
 1 FF 
 2 FF 
 3 FF 
 4 FF 
 5 FF 
 6 FF 
 7 FF


See also

Related Functions



Retrieved from "https://wiki.cheatengine.org/index.php?title=Lua:qwordToByteTable&oldid=6675"