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| <title>Basic Emulator</title><!-- not BASIC! --> | |
| <script src="../build/libv86.js"></script> | |
| <script> | |
| ; | |
| window.onload = function() | |
| { | |
| var start = Date.now(); | |
| setInterval(function() | |
| { | |
| document.getElementById("time").textContent = Math.round((Date.now() - start) / 1000); | |
| }, 999); | |
| var emulator = new V86({ | |
| wasm_path: "../build/v86.wasm", | |
| memory_size: 512 * 1024 * 1024, | |
| vga_memory_size: 8 * 1024 * 1024, | |
| screen_container: document.getElementById("screen_container"), | |
| bios: { | |
| url: "../bios/seabios.bin", | |
| }, | |
| vga_bios: { | |
| url: "../bios/vgabios.bin", | |
| }, | |
| initial_state: { | |
| url: "../images/arch_state-v2.bin.zst", | |
| }, | |
| filesystem: { | |
| baseurl: "../images/arch/", | |
| }, | |
| autostart: true, | |
| }); | |
| document.getElementById("status").textContent += "."; | |
| emulator.add_listener("emulator-ready", async function() | |
| { | |
| document.getElementById("status").textContent += "."; | |
| var code = "console.log(3 * 7);\n"; | |
| var buffer = new Uint8Array(code.length); | |
| buffer.set(code.split("").map(function(chr) { return chr.charCodeAt(0); })); | |
| await emulator.create_file("/root/code.js", buffer); | |
| emulator.serial0_send("node /root/code.js > /root/out.txt 2> /root/out.txt\n"); | |
| }); | |
| var serial_out = ""; | |
| emulator.add_listener("serial0-output-byte", async function(byte) | |
| { | |
| var chr = String.fromCharCode(byte); | |
| serial_out += chr; | |
| if(serial_out.endsWith("root@nyu")) | |
| { | |
| const data = await emulator.read_file("/root/out.txt"); | |
| document.getElementById("output").textContent += String.fromCharCode.apply(this, data); | |
| } | |
| }); | |
| } | |
| </script> | |
| <pre><span id=time></span> <span id=status></span></pre> | |
| <!-- A minimal structure for the ScreenAdapter defined in browser/screen.js --> | |
| <div id="screen_container"> | |
| <div style="white-space: pre; font: 14px monospace; line-height: 14px"></div> | |
| <canvas style="display: none"></canvas> | |
| </div> | |
| <hr> | |
| <pre id=output></pre> | |