Difference between revisions of "Lua:getInstructionSize"

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[[Category:Lua]]
 
[[Category:Lua]]
'''function''' getInstructionSize(''Address'') ''':''' integer
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{{CodeBox|'''function''' getInstructionSize(''address'') ''':''' Integer}}
  
Returns the size of an instruction (basically it disassembles the instruction and returns the number of bytes for you).
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Returns the size (in bytes) of the instruction at the given address. 
 +
Basically, it disassembles the instruction and returns how many bytes it occupies.
  
=== Function Parameters ===
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===Function Parameters===
 
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{|width="85%" cellpadding="5%" cellspacing="0" border="0"
{|width="85%" cellpadding="10%" cellpadding="5%" cellspacing="0" border="0"
 
 
!align="left"|Parameter
 
!align="left"|Parameter
 
!align="left"|Type
 
!align="left"|Type
 
!style="width: 80%;background-color:white;" align="left"|Description
 
!style="width: 80%;background-color:white;" align="left"|Description
 
|-
 
|-
|Address
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|address
|[[CEAddressString]] or Integer
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|Integer
|The address of the instruction
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|The memory address of the instruction to analyze.
 
|}
 
|}
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 +
===Example===
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<syntaxhighlight lang="lua" line>
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local size = getInstructionSize(0x401000)
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print("Instruction size:", size)
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</syntaxhighlight>
  
 
{{LuaSeeAlso}}
 
{{LuaSeeAlso}}
  
 
{{Assembly}}
 
{{Assembly}}

Latest revision as of 19:27, 25 June 2026

<> Lua API Reference

function getInstructionSize(address) : Integer

Returns the size (in bytes) of the instruction at the given address. Basically, it disassembles the instruction and returns how many bytes it occupies.

Function Parameters[edit]

Parameter Type Description
address Integer The memory address of the instruction to analyze.

Example[edit]

1 local size = getInstructionSize(0x401000)
2 print("Instruction size:", size)

Main Pages

Core Lua documentation entry points

Lua
Script Engine

Assembler and Disassembler Related Lua Functions

Auto assembler, disassembly helpers, instruction size lookup, and assembler callbacks