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="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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<pre>
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local size = getInstructionSize(0x401000)
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print("Instruction size:", size)
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</pre>
  
 
{{LuaSeeAlso}}
 
{{LuaSeeAlso}}
  
 
{{Assembly}}
 
{{Assembly}}

Revision as of 00:21, 5 December 2025

<> 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

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

Example

local size = getInstructionSize(0x401000)
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