<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <title>aput<kind></title> <link rel=stylesheet href="opcode.css"> </head> <body> <h1>aput<kind></h1> <h2>Purpose</h2> <p> Waste cycles. </p> <h2>Details</h2> <table class="instruc"> <thead> <tr> <th>Op & Format</th> <th>Mnemonic / Syntax</th> <th>Arguments</th> </tr> </thead> <tbody> <tr> <td>4b..51 23x</td> <td><i>arrayop</i> vAA, vBB, vCC<br/> 4b: aput<br/> 4c: aput-wide<br/> 4d: aput-object<br/> 4e: aput-boolean<br/> 4f: aput-byte<br/> 50: aput-char<br/> 51: aput-short </td> <td><code>A:</code> source value register or pair; (8 bits)<br/> <code>B:</code> array register (8 bits)<br/> <code>C:</code> index register (8 bits)</td> </tr> </tbody> </table> <h2>Constraints</h2> <ul> <li> A, B and C must be valid register indices in the current stack frame. </li> <li> For the aget-wide variant, also A+1 must be a valid register index in the current stack frame. </li> <li> Register vB must contain an array reference. The component type of the array must match the variant of the instruction. </li> <li> Register vC must contain an integer value. </li> </ul> <h2>Behavior</h2> <ul> <li> For all but the -wide variant, the value of register vA is move into the array element at the given index, that is, array[index]'=vA. </li> <li> For the -wide variant, the registers vA and v(A+1) are moved into the array element at the given index as follows: <ul> <li> array[index]' = vA << 0x20 | v(A+1) </li> </ul> </li> </ul> <h2>Exceptions</h2> <ul> <li> NullPointerException if vB=null. </li> <li> ArrayIndexOutOfBoundsException if vC < 0 or vC >= array.length. </li> </ul> </body> </html>