in theory this works, in practice, i forgot to have a test file on hand

icon.js

@@ -1,6 +1,7 @@
 //todo: Make this a module/mjs file. C6 compatibility can stay, if needed.
 ICONJS_DEBUG = false;
 ICONJS_STRICT = true;
+ICONJS_VERSION = "0.3.3";
 
 function setDebug(value) {
 	ICONJS_DEBUG = !!value;
@@ -269,6 +270,52 @@ function readEmsPsuFile(input){
 	return fsOut;
 }
 
+function readPsvFile(input){
+	const view = new DataView(input);
+	const u32le = function(i){return view.getUint32(i, 1)};
+	//!pattern psv_file.hexpat
+	const magic = u32le(0);
+	if (magic !== 0x50535600) {
+		throw `Not a PS3 export (PSV) file (was ${magic}, expected ${0x50535600})`;
+	}
+	//:skip 4
+	//:skip 20 // key seed, console ignores this 
+	//:skip 20 // sha1 hmac digest, useful for... something
+	//:skip 8
+	const type1 = u32le(52);
+	const type2 = u32le(56);
+	if(type1 !== 0x2c && type2 !== 2) {
+		throw `Not parsing, this is not a PS2 save export (was ${type1}:${type2}, expected 44:2)`;
+	}
+	const displayedSize = u32le(60);
+	const ps2dOffset = u32le(64);
+	const ps2dSize = u32le(68); // don't know why this is included if its always 964
+	const nModelOffset = u32le(72);
+	const nModelSize = u32le(76);
+	const cModelOffset = u32le(80);
+	const cModelSize = u32le(84);
+	const dModelOffset = u32le(88);
+	const dModelSize = u32le(92);
+	const numberOfFiles = u32le(96); // in-case this library changes stance on other files
+	const rootDirectoryData = input.slice(100, 158);
+	let offset = 158;
+	let fileData = new Array();
+	for (let index = 0; index < numberOfFiles; index++) {
+		fileData.push(input.slice(offset,offset+0x3c));
+		offset += 0x3c;
+	};
+	//then file data after this but we already have pointers to the files we care about
+	const icons = {
+		n: input.slice(nModelOffset, nModelOffset+nModelSize),
+		c: input.slice(cModelOffset, cModelOffset+cModelSize),
+		d: input.slice(dModelOffset, dModelOffset+dModelSize),
+	}
+	if (ICONJS_DEBUG) {
+		console.log({magic, type1, type2, displayedSize, ps2dOffset, ps2dSize, nModelOffset, nModelSize, cModelOffset, cModelSize, dModelOffset, dModelSize, numberOfFiles, rootDirectoryData, fileData})
+	}
+	return {icons, "icon.sys": input.slice(ps2dOffset, ps2dOffset+ps2dSize)};
+}
+
 if(typeof module !== "undefined") {
 	// for C6JS
 	module.exports = {readIconFile, readPS2D, readEmsPsuFile, setDebug, setStrictness};

index.js

@@ -21,6 +21,10 @@ if(processObj.argv[2] === "psu") {
 		output[file] = iconjs.readIconFile(parsed[parsed.rootDirectory][PS2D.filenames[file]].data);
 	});
 	console.log(output);
+} else if(processObj.argv[2] === "psv") {
+	let inputFile = filesystem.readFileSync(processObj.argv[3] ? processObj.argv[3] : "file.psu");
+	const parsed = iconjs.readPsvFile(inputFile.buffer.slice(inputFile.byteOffset, inputFile.byteOffset + inputFile.byteLength));
+	console.log(parsed);
 } else {
 	let inputFile = filesystem.readFileSync(processObj.argv[2] ? processObj.argv[2] : "icon.sys");
 	const metadata = iconjs.readPS2D(inputFile.buffer.slice(inputFile.byteOffset, inputFile.byteOffset + inputFile.byteLength));

input.htm

@@ -59,9 +59,12 @@
 		<input type="file" id="icon" name="icon" accept=".icn, .ico" />
 		<br>
 		<hr>
-		<label for="psuinput">.psu goes here:</label>
+		<label for="psuinput">EMS Memory Adapter export file (.psu) goes here:</label>
 		<input type="file" id="psuinput" name="psuinput" accept=".psu" />
 		<br>
+		<label for="psvinput">PS3 export file (.psv) goes here:</label>
+		<input type="file" id="psvinput" name="psvinput" accept=".psv" />
+		<br>
 		<p>
 			<span>Date created: </span><span id="dateCreated">--:--:-- --/--/----</span><span> UTC+09:00</span>
 			<br>
@@ -99,6 +102,15 @@
 					glContext.drawArrays(glContext.TRIANGLE_STRIP, 0, 4);
 				}
 			}
+			function resetDisplay() {
+				document.getElementById("title1").textContent = "\uff0d";
+				document.getElementById("title2").textContent = "\uff0d";
+				document.getElementById("iconn").textContent = "?";
+				document.getElementById("iconc").textContent = "?";
+				document.getElementById("icond").textContent = "?";
+				document.getElementById("dateCreated").textContent = "--:--:-- --/--/----";
+				document.getElementById("dateModified").textContent = "--:--:-- --/--/----";
+			}
 			document.getElementById("strictnessOption").onchange = function(e) {
 				setStrictness(e.target.checked);
 				if(!!filebox.files.length) {filebox.onchange();}
@@ -107,11 +119,7 @@
 			}
 			filebox = document.getElementById("input");
 			filebox.onchange = function(e) {
-				document.getElementById("title1").textContent = "\uff0d";
+				resetDisplay();
-				document.getElementById("title2").textContent = "\uff0d";
-				document.getElementById("iconn").textContent = "?";
-				document.getElementById("iconc").textContent = "?";
-				document.getElementById("icond").textContent = "?";
 				if(filebox.files.length === 0) {
 					return;
 				}
@@ -142,13 +150,7 @@
 			}
 			psubox = document.getElementById("psuinput");
 			psubox.onchange = function(e) {
-				document.getElementById("title1").textContent = "\uff0d";
+				resetDisplay();
-				document.getElementById("title2").textContent = "\uff0d";
-				document.getElementById("iconn").textContent = "?";
-				document.getElementById("iconc").textContent = "?";
-				document.getElementById("icond").textContent = "?";
-				document.getElementById("dateCreated").textContent = "--:--:-- --/--/----";
-				document.getElementById("dateModified").textContent = "--:--:-- --/--/----";
 				if(psubox.files.length === 0) {
 					return;
 				}
@@ -173,6 +175,23 @@
 					}
 				});
 			}
+			psvbox = document.getElementById("psvinput");
+			psvbox.onchange = function(e) {
+				resetDisplay();
+				if(psvbox.files.length === 0) {
+					return;
+				}
+				psvbox.files[0].arrayBuffer().then(function(d){
+					try {
+						let inputData = readPsvFile(d);
+						let output = readPS2D(inputData["icon.sys"]);
+						updateDisplay(output);
+					} catch(e) {
+						if(glContext!==null){glContext.clear(glContext.COLOR_BUFFER_BIT);}
+						alert(e);
+					}
+				});
+			}
 			function createShader(gl, type, source) {
 				var shader = gl.createShader(type);
 				gl.shaderSource(shader, source);
@@ -234,6 +253,7 @@
 			}
 			//todo: Model rendering, animation parsing, animation tweening
 		</script>
-		<span id="version">icondumper2 0.3.2 - &copy; 2023 yellows111</span>
+		<span id="version">icondumper2 <span id="iconjsVersion">(unknown icon.js version)</span> - &copy; 2023 yellows111</span>
+		<script>document.getElementById("iconjsVersion").textContent = ICONJS_VERSION;</script>
 	</body>
 </html>