Testing ne2k isa implementation

src/ne2k.js

@@ -69,23 +69,29 @@ function Ne2k(cpu, bus)
         this.receive(data);
     }, this);
 
-    this.port = 0xB800;
+    this.port = 0x300;
 
-    this.pci_space = [
-        0xec, 0x10, 0x29, 0x80, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
-        this.port & 0xFF | 1, this.port >> 8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf4, 0x1a, 0x00, 0x11,
-        0x00, 0x00, 0xb8, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x01, 0x00, 0x00,
-    ];
-    this.pci_id = 0x05 << 3;
-    this.pci_bars = [
-        {
-            size: 32,
-        },
-    ];
     this.name = "ne2k";
 
-    cpu.devices.pci.register_device(this);
+    /** @const */
+    var use_pci = true;
+
+    if(use_pci)
+    {
+        this.pci_space = [
+            0xec, 0x10, 0x29, 0x80, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
+            this.port & 0xFF | 1, this.port >> 8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf4, 0x1a, 0x00, 0x11,
+            0x00, 0x00, 0xb8, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x01, 0x00, 0x00,
+        ];
+        this.pci_id = 0x05 << 3;
+        this.pci_bars = [
+            {
+                size: 32,
+            },
+        ];
+        cpu.devices.pci.register_device(this);
+    }
 
     this.isr = 0;
     this.imr = 0; // interrupt mask register