Created PDP-10 skeleton

modules/pdp10/lib/device.js

@@ -0,0 +1,172 @@
+/**
+ * @fileoverview Implements PDP-10 device support.
+ * @author <a href="mailto:Jeff@pcjs.org">Jeff Parsons</a>
+ * @copyright © Jeff Parsons 2012-2017
+ *
+ * This file is part of PCjs, a computer emulation software project at <http://pcjs.org/>.
+ *
+ * PCjs is free software: you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * PCjs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+ * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with PCjs.  If not,
+ * see <http://www.gnu.org/licenses/gpl.html>.
+ *
+ * You are required to include the above copyright notice in every modified copy of this work
+ * and to display that copyright notice when the software starts running; see COPYRIGHT in
+ * <http://pcjs.org/modules/shared/lib/defines.js>.
+ *
+ * Some PCjs files also attempt to load external resource files, such as character-image files,
+ * ROM files, and disk image files. Those external resource files are not considered part of PCjs
+ * for purposes of the GNU General Public License, and the author does not claim any copyright
+ * as to their contents.
+ */
+
+"use strict";
+
+if (NODE) {
+    var Str = require("../../shared/lib/strlib");
+    var Web = require("../../shared/lib/weblib");
+    var Component = require("../../shared/lib/component");
+    var State = require("../../shared/lib/state");
+    var PDP10 = require("./defines");
+    var BusPDP10 = require("./bus");
+    var MemoryPDP10 = require("./memory");
+    var MessagesPDP10 = require("./messages");
+}
+
+class DevicePDP10 extends Component {
+    /**
+     * DevicePDP10(parmsDevice)
+     *
+     * @param {Object} parmsDevice
+     */
+    constructor(parmsDevice)
+    {
+        super("Device", parmsDevice, MessagesPDP10.DEVICE);
+    }
+
+    /**
+     * initBus(cmp, bus, cpu, dbg)
+     *
+     * @this {DevicePDP10}
+     * @param {ComputerPDP10} cmp
+     * @param {BusPDP10} bus
+     * @param {CPUStatePDP10} cpu
+     * @param {DebuggerPDP10} dbg
+     */
+    initBus(cmp, bus, cpu, dbg)
+    {
+        this.bus = bus;
+        this.cmp = cmp;
+        this.cpu = cpu;
+        this.dbg = dbg;
+
+        this.setReady();
+    }
+
+    /**
+     * powerUp(data, fRepower)
+     *
+     * @this {DevicePDP10}
+     * @param {Object|null} data
+     * @param {boolean} [fRepower]
+     * @return {boolean} true if successful, false if failure
+     */
+    powerUp(data, fRepower)
+    {
+        if (!fRepower) {
+            if (!data) {
+                this.reset();
+            } else {
+                if (!this.restore(data)) return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * powerDown(fSave, fShutdown)
+     *
+     * @this {DevicePDP10}
+     * @param {boolean} [fSave]
+     * @param {boolean} [fShutdown]
+     * @return {Object|boolean} component state if fSave; otherwise, true if successful, false if failure
+     */
+    powerDown(fSave, fShutdown)
+    {
+        return fSave? this.save() : true;
+    }
+
+    /**
+     * reset()
+     *
+     * @this {DevicePDP10}
+     */
+    reset()
+    {
+    }
+
+    /**
+     * save()
+     *
+     * This implements save support for the DevicePDP10 component.
+     *
+     * @this {DevicePDP10}
+     * @return {Object}
+     */
+    save()
+    {
+        var state = new State(this);
+        return state.data();
+    }
+
+    /**
+     * restore(data)
+     *
+     * This implements restore support for the DevicePDP10 component.
+     *
+     * @this {DevicePDP10}
+     * @param {Object} data
+     * @return {boolean} true if successful, false if failure
+     */
+    restore(data)
+    {
+        return true;
+    }
+
+    /**
+     * DevicePDP10.init()
+     *
+     * This function operates on every HTML element of class "device", extracting the
+     * JSON-encoded parameters for the DevicePDP10 constructor from the element's "data-value"
+     * attribute, invoking the constructor to create a DevicePDP10 component, and then binding
+     * any associated HTML controls to the new component.
+     */
+    static init()
+    {
+        var aeDevice = Component.getElementsByClass(document, PDP10.APPCLASS, "device");
+        for (var iDevice = 0; iDevice < aeDevice.length; iDevice++) {
+            var device;
+            var eDevice = aeDevice[iDevice];
+            var parmsDevice = Component.getComponentParms(eDevice);
+            switch(parmsDevice['type']) {
+            case 'default':
+                device = new DevicePDP10(parmsDevice);
+                Component.bindComponentControls(device, eDevice, PDP10.APPCLASS);
+                break;
+            }
+        }
+    }
+}
+
+/*
+ * Initialize all the DevicePDP10 modules on the page.
+ */
+Web.onInit(DevicePDP10.init);
+
+if (NODE) module.exports = DevicePDP10;