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diff --git a/docs/opcodes/opcode-01-move.html b/docs/opcodes/opcode-01-move.html new file mode 100644 index 0000000..13c1150 --- /dev/null +++ b/docs/opcodes/opcode-01-move.html @@ -0,0 +1,92 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> + +<html> + +<head> +<title>move</title> +<link rel=stylesheet href="opcode.css"> +</head> + +<body> + +<h1>move</h1> + +<h2>Purpose</h2> + +<p> +Move the contents of one non-object register to another. +</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>01 12x</td> + <td>move vA, vB</td> + <td><code>A:</code> destination register (4 bits)<br/> + <code>B:</code> source register (4 bits)</td> +</tr> +<tr> + <td>02 22x</td> + <td>move/from16 vAA, vBBBB</td> + <td><code>A:</code> destination register (8 bits)<br/> + <code>B:</code> source register (16 bits)</td> +</tr> +<tr> + <td>03 32x</td> + <td>move/16 vAAAA, vBBBB</td> + <td><code>A:</code> destination register (16 bits)<br/> + <code>B:</code> source register (16 bits)</td> +</tr> +</tbody> +</table> + +<h2>Constraints</h2> + +<ul> + <li> + Both A and B must be valid register indices in the current stack frame. + </li> + <li> + Register vB must be defined. + </li> + <li> + Register vB must not contain a reference value. + </li> + <li> + Register vB must not be part of a register pair. + </li> +</ul> + +<h2>Behavior</h2> + +<ul> + <li> + The value of register vB is moved to register vA, that is, vA' = vB. + </li> + <li> + If register v(A-1) is the first half of a register pair, register v(A-1)' + becomes undefined. + </li> + <li> + If register v(A+1) is the second half of a register pair, register v(A+1)' + becomes undefined. + </li> +</ul> + +<h2>Exceptions</h2> + +<p> +None. +</p> + +</body> +</html> |