Difference between revisions of "Lua:wordToByteTable"

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Note: If the number is larger than a word (2 bytes) only the lower porsion of the number will be used.  
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Note: If the number is larger than a WORD (2 bytes) only the lower porsion of the number will be used.  
  
 
i.e.: 0xFFFF00 : 0xFF00
 
i.e.: 0xFFFF00 : 0xFF00

Revision as of 04:22, 9 March 2017

function wordToByteTable(Number)

Converts a WORD (2 bytes) to a byte table.

Function Parameters

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


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 WORD (2 bytes) only the lower porsion of the number will be used.

i.e.: 0xFFFF00 : 0xFF00


Examples

Code:

 local bt = wordToByteTable(0xFFFF)
 writeBytes('00123ABC', bt)


Code:

 local bt = wordToByteTable(8)
 for i, v in ipairs(bt) do
   print(i, string.format('%02X', v))
 end

Output:

 1 08 
 2 00 


Code:

 local bt = wordToByteTable(8.9)
 for i, v in ipairs(bt) do
   print(i, string.format('%02X', v))
 end

Output:

 1 08 
 2 00 


Code:

 local bt = wordToByteTable(0xFFFF00)
 for i, v in ipairs(bt) do
   print(i, string.format('%02X', v))
 end

Output:

 1 00 
 2 FF 


See also

Related Functions