2015-01-09 04:49:44 +01:00
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"use strict";
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/** @constructor */
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function V86Starter(options)
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{
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this.screen_adapter = undefined;
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var bus = Bus.create();
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var adapter_bus = this.bus = bus[0];
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this.emulator_bus = bus[1];
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var emulator = this.v86 = new v86(bus[1]);
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var settings = {};
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settings.load_devices = true;
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2015-01-11 23:30:43 +01:00
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settings.memory_size = options["memory_size"] || 64 * 1024 * 1024;
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settings.vga_memory_size = options["vga_memory_size"] || 8 * 1024 * 1024;
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2015-01-09 04:49:44 +01:00
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settings.boot_order = options["boot_order"] || 0x213;
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settings.fda = undefined;
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settings.fdb = undefined;
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if(options["network_relay_url"])
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{
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2015-01-11 18:52:34 +01:00
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this.network_adapter = new NetworkAdapter(options["network_relay_url"], adapter_bus);
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settings.enable_ne2k = true;
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2015-01-09 04:49:44 +01:00
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}
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if(!options["disable_keyboard"])
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{
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this.keyboard_adapter = new KeyboardAdapter(adapter_bus);
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}
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if(!options["disable_mouse"])
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{
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this.mouse_adapter = new MouseAdapter(adapter_bus);
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}
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if(options["screen_container"])
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{
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this.screen_adapter = new ScreenAdapter(options["screen_container"], adapter_bus);
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}
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if(options["serial_container"])
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{
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this.serial_adapter = new SerialAdapter(options["serial_container"], adapter_bus);
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}
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//settings.serial_adapter = new ModemAdapter();
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var files_to_load = [];
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function add_file(file, handler)
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{
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if(!file)
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{
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return;
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}
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if(file.buffer)
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{
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2015-01-11 23:30:43 +01:00
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console.assert(
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file.buffer instanceof ArrayBuffer || file.buffer instanceof File,
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"buffer should be ArrayBuffer or File"
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);
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2015-01-09 04:49:44 +01:00
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handler(file.buffer);
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}
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else if(file.url)
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{
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if(file.async)
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{
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handler(file);
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}
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else
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{
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files_to_load.push({
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url: file.url,
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handler: handler,
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size: file.size,
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});
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}
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}
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}
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function put_on_settings(name, buffer)
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{
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switch(name)
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{
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case "hda":
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settings.hda = buffer;
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break;
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case "hdb":
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settings.hdb = buffer;
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break;
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case "cdrom":
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settings.cdrom = buffer;
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break;
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case "fda":
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settings.fda = buffer;
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break;
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case "fdb":
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settings.fdb = buffer;
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break;
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case "bios":
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settings.bios = buffer;
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break;
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case "vga_bios":
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settings.vga_bios = buffer;
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break;
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default:
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dbg_assert(false, name);
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}
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}
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function make_sync_buffer(name, buffer)
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{
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if(buffer instanceof ArrayBuffer)
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{
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var result = new SyncBuffer(buffer);
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}
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else if(buffer instanceof File)
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{
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// SyncFileBuffer:
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// - loads the whole disk image into memory, impossible for large files (more than 1GB)
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// - can later serve get/set operations fast and synchronously
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// - takes some time for first load, neglectable for small files (up to 100Mb)
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//
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// AsyncFileBuffer:
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// - loads slices of the file asynchronously as requested
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// - slower get/set
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// Heuristics: If file is smaller than 64M, use SyncFileBuffer
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//if(file.size < 64 * 1024 * 1024)
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var result = new v86util.AsyncFileBuffer(buffer);
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//settings[name] = new SyncFileBuffer(buffer);
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}
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else if(buffer.async)
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{
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var result = new v86util.AsyncXHRBuffer(buffer.url, 512, buffer.size);
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}
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else
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{
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console.assert(false);
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}
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put_on_settings(name, result);
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}
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add_file(options["bios"], put_on_settings.bind(this, "bios"));
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add_file(options["vga_bios"], put_on_settings.bind(this, "vga_bios"));
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add_file(options["cdrom"], make_sync_buffer.bind(this, "cdrom"));
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add_file(options["hda"], make_sync_buffer.bind(this, "hda"));
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add_file(options["hdb"], make_sync_buffer.bind(this, "hdb"));
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add_file(options["fda"], make_sync_buffer.bind(this, "fda"));
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add_file(options["fdb"], make_sync_buffer.bind(this, "fdb"));
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2015-01-11 23:30:43 +01:00
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if(options["filesystem"])
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2015-01-09 04:49:44 +01:00
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{
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2015-01-11 23:30:43 +01:00
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var fs9p = new FS(options["filesystem"].baseurl);
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2015-01-09 04:49:44 +01:00
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settings.fs9p = fs9p;
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//add_file(infos.filesystem.basefs, function()
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//{
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fs9p.LoadFilesystem({
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2015-01-11 23:30:43 +01:00
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basefsURL: options["filesystem"].basefs,
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2015-01-09 04:49:44 +01:00
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});
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//});
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}
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var initial_state_buffer;
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if(options["initial_state"])
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{
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add_file(options["initial_state"], function(buffer)
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{
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console.log(options["initial_state"], buffer);
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initial_state_buffer = buffer;
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});
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}
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var starter = this;
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cont(0);
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function cont(index)
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{
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var total = files_to_load.length;
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if(index < total)
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{
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var f = files_to_load[index];
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v86util.load_file(f.url, function done(result)
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{
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f.handler(result);
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cont(index + 1);
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}, function progress(e)
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{
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starter.emulator_bus.send("download-progress", {
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file_index: index,
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file_count: total,
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lengthComputable: e.lengthComputable,
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total: f.size || e.total,
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loaded: e.loaded,
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});
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});
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}
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else
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{
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emulator.init(settings);
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if(initial_state_buffer)
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{
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emulator.restore_state(initial_state_buffer);
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}
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if(options["autostart"])
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{
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emulator.run();
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}
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}
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}
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}
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/**
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* Start emulation. Do nothing if emulator is running already.
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*/
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V86Starter.prototype.run = function()
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{
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this.v86.run();
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};
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/**
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* Stop emulation. Do nothing if emulator is not running.
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*/
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V86Starter.prototype.stop = function()
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{
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this.v86.stop();
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};
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/**
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* Restart (force a reboot).
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*/
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V86Starter.prototype.restart = function()
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{
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this.v86.restart();
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};
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/**
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* @param {string} event
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* @param {function(*)} listener
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*/
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V86Starter.prototype.add_listener = function(event, listener)
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{
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this.bus.register(event, listener, this);
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};
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/**
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* @param {string} event
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* @param {function(*)} listener
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*/
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V86Starter.prototype.remove_listener = function(event, listener)
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{
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this.bus.unregister(event, listener);
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};
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/**
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* @param {ArrayBuffer} state
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*/
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V86Starter.prototype.restore_state = function(state)
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{
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this.v86.restore_state(state);
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};
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/**
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* @param {function(Object, ArrayBuffer)} callback
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*/
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V86Starter.prototype.save_state = function(callback)
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{
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// Might become asynchronous at some point
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var emulator = this;
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setTimeout(function()
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{
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callback(null, emulator.v86.save_state());
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}, 0);
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};
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/**
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* @return {Object}
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*/
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V86Starter.prototype.get_statistics = function()
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{
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var stats = {
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cpu: {
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instruction_counter: this.v86.cpu.timestamp_counter,
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},
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};
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var devices = this.v86.cpu.devices;
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if(devices.hda)
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{
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stats.hda = devices.hda.stats;
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}
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if(devices.cdrom)
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{
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stats.cdrom = devices.cdrom.stats;
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}
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if(devices.ps2)
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{
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stats.mouse = {
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enabled: devices.ps2.enable_mouse,
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};
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}
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if(devices.vga)
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{
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stats.vga = devices.vga.stats;
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}
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return stats;
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};
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/**
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* @return {boolean}
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*/
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V86Starter.prototype.is_running = function()
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{
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return this.v86.running;
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};
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/**
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* @param {Array.<number>} codes
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*/
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V86Starter.prototype.keyboard_send_scancodes = function(codes)
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{
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var ps2 = this.v86.cpu.devices.ps2;
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for(var i = 0; i < codes.length; i++)
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{
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ps2.kbd_send_code(codes[i]);
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}
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};
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/**
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* Download a screenshot
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*/
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V86Starter.prototype.screen_make_screenshot = function()
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{
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if(this.screen_adapter)
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{
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this.screen_adapter.make_screenshot();
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}
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};
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/**
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* Set the scaling level of the emulated screen
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*
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* @param {number} sx
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* @param {number} sy
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*/
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V86Starter.prototype.screen_set_scale = function(sx, sy)
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{
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if(this.screen_adapter)
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{
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this.screen_adapter.set_scale(sx, sy);
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}
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};
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/**
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* Make the browser go fullscreen
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*/
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V86Starter.prototype.screen_go_fullscreen = function()
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{
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if(!this.screen_adapter)
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{
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return;
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}
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var elem = document.getElementById("screen_container");
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if(!elem)
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{
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return;
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}
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// bracket notation because otherwise they get renamed by closure compiler
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var fn = elem["requestFullScreen"] ||
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elem["webkitRequestFullscreen"] ||
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elem["mozRequestFullScreen"] ||
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elem["msRequestFullScreen"];
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if(fn)
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{
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fn.call(elem);
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// This is necessary, because otherwise chromium keyboard doesn't work anymore.
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// Might (but doesn't seem to) break something else
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var focus_element = document.getElementsByClassName("phone_keyboard")[0];
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focus_element && focus_element.focus();
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}
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//this.lock_mouse(elem);
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this.lock_mouse();
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};
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/**
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* Lock the mouse button (it is inivisble and movements are only registered in
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* the emulator
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*/
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V86Starter.prototype.lock_mouse = function()
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{
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var elem = document.body;
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var fn = elem["requestPointerLock"] ||
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|
|
|
elem["mozRequestPointerLock"] ||
|
|
|
|
elem["webkitRequestPointerLock"];
|
|
|
|
|
|
|
|
if(fn)
|
|
|
|
{
|
|
|
|
fn.call(elem);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Enable or disable sending mouse events to the emulated PS2 controller
|
|
|
|
*
|
|
|
|
* @param {boolean} enabled
|
|
|
|
*/
|
|
|
|
V86Starter.prototype.mouse_set_status = function(enabled)
|
|
|
|
{
|
|
|
|
if(this.mouse_adapter)
|
|
|
|
{
|
|
|
|
this.mouse_adapter.emu_enabled = enabled;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2015-01-09 15:56:43 +01:00
|
|
|
/**
|
|
|
|
* Enable or disable sending keyboard events to the emulated PS2 controller
|
|
|
|
*
|
|
|
|
* @param {boolean} enabled
|
|
|
|
*/
|
|
|
|
V86Starter.prototype.keyboard_set_status = function(enabled)
|
|
|
|
{
|
|
|
|
if(this.keyboard_adapter)
|
|
|
|
{
|
|
|
|
this.keyboard_adapter.emu_enabled = enabled;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
2015-01-09 04:49:44 +01:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Send a string to the first emulated serial terminal
|
|
|
|
*
|
|
|
|
* @param {string} data
|
|
|
|
*/
|
|
|
|
V86Starter.prototype.serial0_send = function(data)
|
|
|
|
{
|
|
|
|
for(var i = 0; i < data.length; i++)
|
|
|
|
{
|
2015-01-09 05:25:48 +01:00
|
|
|
this.bus.send("serial0-input", data.charCodeAt(i));
|
2015-01-09 04:49:44 +01:00
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
// Closure Compiler's way of exporting
|
|
|
|
if(typeof window !== "undefined")
|
|
|
|
{
|
|
|
|
window["V86Starter"] = V86Starter;
|
|
|
|
|
|
|
|
V86Starter.prototype["run"] = V86Starter.prototype.run;
|
|
|
|
V86Starter.prototype["stop"] = V86Starter.prototype.stop;
|
|
|
|
V86Starter.prototype["restart"] = V86Starter.prototype.restart;
|
|
|
|
V86Starter.prototype["add_listener"] = V86Starter.prototype.add_listener;
|
|
|
|
V86Starter.prototype["remove_listener"] = V86Starter.prototype.remove_listener;
|
|
|
|
V86Starter.prototype["restore_state"] = V86Starter.prototype.restore_state;
|
|
|
|
V86Starter.prototype["save_state"] = V86Starter.prototype.save_state;
|
|
|
|
V86Starter.prototype["get_statistics"] = V86Starter.prototype.get_statistics;
|
|
|
|
V86Starter.prototype["is_running"] = V86Starter.prototype.is_running;
|
|
|
|
V86Starter.prototype["keyboard_send_scancodes"] = V86Starter.prototype.keyboard_send_scancodes;
|
|
|
|
V86Starter.prototype["screen_make_screenshot"] = V86Starter.prototype.screen_make_screenshot;
|
|
|
|
V86Starter.prototype["screen_set_scale"] = V86Starter.prototype.screen_set_scale;
|
|
|
|
V86Starter.prototype["screen_go_fullscreen"] = V86Starter.prototype.screen_go_fullscreen;
|
|
|
|
V86Starter.prototype["lock_mouse"] = V86Starter.prototype.lock_mouse;
|
|
|
|
V86Starter.prototype["mouse_set_status"] = V86Starter.prototype.mouse_set_status;
|
2015-01-09 15:56:43 +01:00
|
|
|
V86Starter.prototype["keyboard_set_status"] = V86Starter.prototype.keyboard_set_status;
|
2015-01-09 04:49:44 +01:00
|
|
|
V86Starter.prototype["serial0_send"] = V86Starter.prototype.serial0_send;
|
|
|
|
}
|