Adjustments for use in the web frontend

web/Core.js

@@ -1,5 +1,5 @@
 "use strict";
-import { Constants } from "./Constants.js";
+import Constants from /***/"./Constants.js";
 
 
 
@@ -258,6 +258,41 @@ new class Core {
         });
     }
 
+    // Attempt to produce a ROM from an ISX debugger file
+    fromISX(message) {
+
+        // Transfer the input data into WebAssembly memory
+        let input = new Uint8Array(message.data);
+        let inPtr = this.Realloc(0, input.length);
+        let inMem = new Uint8Array(this.memory.buffer, inPtr, input.length);
+        for (let x = 0; x < input.length; x++)
+            inMem[x] = input[x];
+
+        // Attempt to decode the ISX file as a ROM
+        let outPtr = this.FromISX(inPtr, input.length);
+        this.Realloc(inPtr, 0);
+
+        // The data is not an ISX file
+        if (outPtr == 0) {
+            this.dom.postMessage({ promised: true, data: null });
+            return;
+        }
+
+        // Transfer the decoded ROM from WebAssembly memory
+        let output = new Uint8Array(this.GetISXLength(outPtr));
+        let outMem = new Uint8Array(this.memory.buffer,
+            this.GetISXROM(outPtr), output.length);
+        for (let x = 0; x < output.length; x++)
+            output[x] = outMem[x];
+        this.Realloc(outPtr, 0);
+
+        // Notify DOM thread
+        this.dom.postMessage({
+            promised: true,
+            data    : output.buffer
+        }, [ output.buffer ]);
+    }
+
     // Specify anaglyph colors
     setAnaglyph(message) {
         this.SetAnaglyph(message.sim, message.left, message.right);