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diff --git a/docs/opcodes/opcode-d0-binop-lit16.html b/docs/opcodes/opcode-d0-binop-lit16.html new file mode 100644 index 000000000..f9d3327b9 --- /dev/null +++ b/docs/opcodes/opcode-d0-binop-lit16.html @@ -0,0 +1,94 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> + +<html> + +<head> +<title>binop/lit16</title> +<link rel=stylesheet href="opcode.css"> +</head> + +<body> + +<h1>binop/lit16</h1> + +<h2>Purpose</h2> + +<p> +Perform the indicated binary op on the indicated register (first argument) and +literal value (second argument), storing the result in the destination register. +</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>d0..d7 22s</td> + <td><i>binop</i>/lit16 vA, vB, #+CCCC<br/> + d0: add-int/lit16<br/> + d1: rsub-int (reverse subtract)<br/> + d2: mul-int/lit16<br/> + d3: div-int/lit16<br/> + d4: rem-int/lit16<br/> + d5: and-int/lit16<br/> + d6: or-int/lit16<br/> + d7: xor-int/lit16 + </td> + <td><code>A:</code> destination register (4 bits)<br/> + <code>B:</code> source register (4 bits)<br/> + <code>C:</code> signed int constant (16 bits)</td> +</tr> +</tbody> +</table> + +<h2>Constraints</h2> + +<ul> + <li> + Both A and B must be valid register indices in the current stackframe. + </li> + <li> + Registers vA and vB must be defined. They must both contain integer values. + </li> + <li> + C is an immediate, signed integer constant taken from the instruction stream + (actually this means there are no special requirements for C at all). + </li> +</ul> + +<h2>Behavior</h2> + +<ul> + <li> + The given operation <binop> is performed according to the semantics + specified in table XXX. + </li> + <li> + Argument C is sign-extended to 32 bits before. + </li> + <li> + The result is stored in register vA, that is, vA'=vB <binop> vC. + </li> + <li> + As usual, neighboring registers might get undefined, if vA was part of a + register pair originally. + </li> +</ul> + +<h2>Exceptions</h2> + +<ul> + <li> + ArithmeticException if an error occurs during the instruction. + </li> +</ul> + +</body> +</html> |