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-rw-r--r--2026/games/liquidcake1/LICENSE21
-rw-r--r--2026/games/liquidcake1/funge.mjs42
-rw-r--r--2026/games/liquidcake1/index.html415
-rw-r--r--2026/games/liquidcake1/instructions.mjs265
-rw-r--r--2026/games/liquidcake1/interpreter.mjs449
-rw-r--r--2026/games/liquidcake1/jit.mjs259
-rw-r--r--2026/games/liquidcake1/queue.mjs30
-rw-r--r--2026/games/liquidcake1/wasm.mjs51
8 files changed, 0 insertions, 1532 deletions
diff --git a/2026/games/liquidcake1/LICENSE b/2026/games/liquidcake1/LICENSE
deleted file mode 100644
index 847e49b..0000000
--- a/2026/games/liquidcake1/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2026 liquidcake1
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/2026/games/liquidcake1/funge.mjs b/2026/games/liquidcake1/funge.mjs
deleted file mode 100644
index a6fb723..0000000
--- a/2026/games/liquidcake1/funge.mjs
+++ /dev/null
@@ -1,42 +0,0 @@
-let file_name = process.argv[2];
-
-import { readFileSync } from "fs";
-
-let field_s = readFileSync(file_name, "utf8");
-//console.log(field_s);
-
-let field = field_s.split("\n");
-field.pop();
-field = field.map( x => x.split("").map( c => c.charCodeAt(0) ) );
-//console.log(field);
-
-import { Interpreter } from "./interpreter.mjs";
-import { load_wasm } from "./wasm.mjs";
-import { overlay as SOCK_overlay } from "./overlays/SOCK.mjs";
-import { overlay as S_overlay } from "./overlays/S.mjs";
-import { overlay as WS_overlay } from "./overlays/WS.mjs";
-
-let interpreter = new Interpreter();
-
-interpreter.load_overlay("S", S_overlay);
-interpreter.load_overlay("SOCK", SOCK_overlay);
-interpreter.load_overlay("WS", WS_overlay);
-
-let instance = await load_wasm(interpreter);
-
-interpreter.field = field;
-interpreter.input_queue.push(["set_speed", 100]);
-//interpreter.input_queue.push(["set_speed", 90]);
-interpreter.input_queue.push(["pause"]);
-interpreter.input_queue.push(["unpause"]);
-interpreter.add_handler("char_out", function(arg) { process.stdout.write(arg); });
-//interpreter.add_handler("output_field", function(lines) { lines.forEach(function(line) {process.stdout.write(line + "\n"); })});
-interpreter.add_handler("terminate", function() { process.exit(0); });
-interpreter.go();
-process.stdin.on('data', function (chunk) {
- chunk.forEach(x => interpreter.input_queue.push(["stdin", x]));
-});
-/*setTimeout(function () {
- console.log("sending @");
- interpreter.input_queue.push(["stdin", "@".charCodeAt(0)]);
-}, 2000);*/
diff --git a/2026/games/liquidcake1/index.html b/2026/games/liquidcake1/index.html
deleted file mode 100644
index 8bff36c..0000000
--- a/2026/games/liquidcake1/index.html
+++ /dev/null
@@ -1,415 +0,0 @@
-<!DOCTYPE html>
-<html>
- <head>
- <meta charset="UTF-8">
- <script language="javascript" type="module">
- import { Interpreter } from "./interpreter.mjs";
- let interpreter = new Interpreter();
- interpreter.add_handler("char_out", out);
- interpreter.add_handler("error_occurred", oute);
- interpreter.add_handler("cell_changed", handle_set_cell);
- interpreter.add_handler("output_field", console.log);
- interpreter.add_handler("thread_created", setup_thread_gui);
- interpreter.add_handler("thread_paused", handle_thread_paused);
- interpreter.add_handler("thread_state_updated", update_thread_state);
- interpreter.add_handler("thread_state_synced", handle_thread_state_synced);
- interpreter.add_handler("terminate", handle_thread_state_synced);
- interpreter.add_handler("thread_dead", handle_thread_dead);
- interpreter.max_loops = 1000;
- window.befunge_interpreter = interpreter;
- var start_time;
- var end_time;
- var difficulty;
- async function handle_message(ev) {
- console.log("handle_message", ev);
- console.log("handle_message", ev.data);
- console.log("handle_message", ev.data.op);
- if (ev.data.op == "start") {
- winner = loser = false;
- console.log("Picking level");
- await pick_level();
- set_speed();
- console.log("Picked level; explaining started.");
- window.parent.postMessage({op: "started", verb: "catch!"});
- difficulty = ev.data.difficulty;
- let timeout;
- if (difficulty < 10) {
- timeout = 150000 / (10 + difficulty);
- } else {
- timeout = 5000 + 150000 / difficulty;
- }
- console.log("Starting... with difficulty ", difficulty, "which is", timeout);
- start_time = new Date().getTime();
- end_time = start_time + timeout;
- check_time();
- go();
- let code = document.getElementById("code");
- code.style.animation = "none";
- window.setTimeout(function () {
- code.style.animation = "";
- }, 10);
- console.log("Started.");
- }
- }
- function check_time() {
- if (winner) {
- console.log("Check time: winner");
- return;
- }
- let now = new Date().getTime();
- let fraction_done = (now - start_time) / (end_time - start_time);
- let bomb = document.getElementById("bomb");
- if (fraction_done > 1) {
- console.log("Check time: loser");
- loser = true;
- bomb.innerText = "💥";
- interpreter.pause();
- return;
- }
- let ticks = 10 - Math.ceil(fraction_done * 10);
- bomb.innerText = "💣" + ".".repeat(ticks) + "💥";
- window.setTimeout(check_time, 50);
-
- }
- async function load() {
- document.getElementById("speed").addEventListener("input", set_speed);
- document.addEventListener("mousemove", function (e) {
- let follower = document.getElementById("follower");
- follower.style.left = e.pageX + "px";
- follower.style.top = e.pageY + "px";
- });
- set_speed();
- window.addEventListener("message", handle_message);
- window.parent.postMessage({op: "ready"});
- }
- let levels = [
- '"!dlrow ,olleH",,,,,,,,,,,,,@',
- '"H","e","l","l","o",","," "v\n @,"!","d","l","r","o","w",<',
- '0>:2g:,"!"v\n ^_@#\\+1\\-<\nHello, world!',
- ];
- let current_level;
- let removed;
- let placed_row = -1;
- let placed_col = -1;
- function test_level(content) {
- let test_int = new Interpreter();
- let out = "";
- let fulfil;
- let test_stopping = false;
- test_int.add_handler("char_out", function (c) { out += c; });
- test_int.add_handler("thread_paused", function () { if (test_stopping) return; test_stopping = true; test_int.stop(); });
- test_int.add_handler("thread_dead", function (thread) { console.log("dead!"); fulfil([out, thread.tick_count]); });
- test_int.max_loops = 10000;
- test_int.set_speed(100)
- let lines = content.split("\n");
- let width = 0;
- for(let i=0; i<lines.length; i++) {
- if (lines[i].length > width) {
- width = lines[i].length;
- }
- }
- for(let i=0; i<lines.length; i++) {
- test_int.field.push([]);
- for(let j=0; j<width; j++) {
- if (j < lines[i].length) {
- test_int.field[i].push(lines[i].charCodeAt(j))
- } else {
- test_int.field[i].push(32);
- }
- }
- }
- let p = new Promise(function(f) { fulfil = f; test_int.go(); });
- return p;
- }
- function ticks_to_speed(ticks) {
- let speed = Math.log(ticks / 100) / Math.log(1.1);
- if (ticks < 100) {
- speed -= 20;
- }
- return speed;
- }
- async function pick_level() {
- let level_idx = Math.floor(Math.random() * levels.length);
- const base_level = levels[level_idx];
- let base_res = await test_level(base_level);
- if (base_res[0] == "Hello, world!") {
- console.log("Pre-edit validated!");
- } else {
- console.log("Ooops!");
- }
- let tries = 0;
- while(tries < 100) {
- tries += 1;
- let idx = Math.floor(Math.random() * base_level.length);
- removed = base_level[idx];
- if (removed == "\n") {
- continue;
- }
- let replace;
- if (difficulty < 10) {
- replace = " ";
- } else {
- replace = String.fromCharCode(Math.floor(Math.random() * 94) + 33);
- }
- current_level = base_level.slice(0, idx) + replace + base_level.slice(idx + 1);
- console.log(idx);
- let current_res = await test_level(current_level);
- if (current_res[0] == "Hello, world!") {
- console.log("Ooops! Try again!");
- } else {
- console.log("Post-edit validated!");
- document.getElementById("to_place").innerText = removed;
- document.getElementById("follower_cell").innerText = removed;
- let ticks = current_res[1];
- if (ticks > base_res[1] * 2) { ticks = base_res[1] * 2; }
- document.getElementById("speed").value = ticks_to_speed(ticks);
- if (interpreter.instructions_raw.hasOwnProperty(removed)) {
- document.getElementById("place_description").innerText = interpreter.instructions_raw[removed].desc;
- } else {
- document.getElementById("place_description").innerText = "not an instruction";
-
- }
- console.log("level picked!");
- return;
- }
- }
- }
- function set_speed(e) {
- let raw_speed = document.getElementById("speed").value;
- interpreter.set_speed(raw_speed);
- }
- function setup_thread_gui(thread) {
- const this_thread = thread;
- let thb = document.createElement("th");
- let table = document.createElement("table");
- let tr = document.createElement("tr");
- let th = document.createElement("th");
- tr.appendChild(thb);
- tr.appendChild(th);
- table.appendChild(tr);
- let thread_info = document.createElement("p");
- thread_info.appendChild(table);
- document.getElementById("threads").appendChild(thread_info);
- thread.info_elt = thread_info;
- }
- function update_thread_state(thread) {
- let tr = thread.info_elt.children[0].children[0];
- tr.children[1].innerText = `(${("" + thread.col).padStart(3, "\u00a0")},${("" + thread.row).padStart(3, "\u00a0")})`;
- while(tr.children.length > thread.stack.length + 2) {
- tr.removeChild(tr.children[tr.children.length - 1]);
- }
- while(tr.children.length < thread.stack.length + 2) {
- tr.appendChild(document.createElement("td"));
- }
- thread.stack.forEach(function (val, idx) {
- if (val > 32 && val < 127) {
- val = String.fromCharCode(val);
- }
- tr.children[thread.stack.length - idx + 1].innerText = val;
- });
- }
- let winner = false;
- let loser = false;
- let just_placed = false;
- async function go() {
- if (winner || loser) {
- if (winner) {
- console.log("We are winner!");
- } else {
- console.log("We are loser!");
- }
- window.parent.postMessage({op: "done", win: winner});
- document.getElementById("out").classList.remove("right");
- placed_col = placed_row = -1;
- placed_td = undefined;
- let table = document.getElementById("table");
- while(table.children.length > 0) {
- table.removeChild(table.children[table.children.length-1]);
- interpreter.field.pop();
- }
- document.getElementById("out").innerText = "";
- return;
- }
- if (document.getElementById("out").innerText == "Hello, world!") {
- // WIN!
- winner = true;
- document.getElementById("out").classList.add("right");
- placed_td.classList.add("right");
- placed_td.classList.remove("wrong");
- //console.log(dead_thread_ticks, ticks_to_speed(dead_thread_ticks / 10));
- interpreter.set_speed(ticks_to_speed(dead_thread_ticks / 5));
- } else if (just_placed) {
- // Run once, super fast. We'll get back here immediately.
- interpreter.set_speed(100);
- just_placed = false;
- load_level(current_level);
- document.getElementById("out").innerText = "";
- interpreter.go();
- return;
- } else {
- set_speed();
- }
- document.getElementById("outlast").innerHTML = document.getElementById("out").innerHTML;
- document.getElementById("out").innerText = "";
- load_level(current_level);
- interpreter.go();
- }
- function set_cell(col, row, val) {
- interpreter.set_cell(col, row, val);
- }
- function handle_set_cell(col, row, val) {
- let val_str = String.fromCharCode(val);
- document.getElementById("table").children[row].children[col].innerText = val_str == " " ? "\u00a0" : val_str;
- let title = `(${col},${row})=${val} (${val_str})`;
- if (interpreter.instructions_raw[val_str] !== undefined)
- title += ": " + interpreter.instructions_raw[val_str].desc;
- document.getElementById("table").children[row].children[col].title = title;
- }
- function out(s) {
- document.getElementById("out").appendChild(document.createTextNode(s));
- }
- function oute(s) {
- if (s == "ERROR: Normal termination!" || s.startsWith("State was: ")) {
- return;
- }
- let span = document.createElement("p");
- span.className = "error";
- span.innerText = s;
- document.getElementById("out").appendChild(span);
- }
- let highlighted_cells = [];
- function handle_thread_state_synced(threads) {
- threads ||= [];
- let new_highlighted_cells = threads.map(thread => document.getElementById("table").children[thread.row].children[thread.col]);
- highlighted_cells.filter(x => !new_highlighted_cells.includes(x)).forEach(
- cell => cell.classList.remove("active"));
- highlighted_cells = new_highlighted_cells;
- highlighted_cells.forEach(cell => cell.classList.add("active"));
- }
- let stopping;
- function handle_thread_paused(paused_thread) {
- if (stopping) {
- // We'll unpause and then pause again...
- return;
- }
- stopping = true;
- interpreter.stop();
- }
- let dead_thread_ticks;
- function handle_thread_dead(dead_thread) {
- dead_thread_ticks = dead_thread.tick_count;
- stopping = false;
- document.getElementById("threads").removeChild(dead_thread.info_elt);
- go();
- }
- let placed_td;
- function click_cell(col, row, td) {
- if (winner) {
- return;
- }
- placed_col = col;
- placed_row = row;
- if (placed_td) {
- placed_td.classList.remove("wrong");
- }
- placed_td = td;
- td.classList.add("wrong");
- set_cell(placed_col, placed_row, removed.charCodeAt(0));
- just_placed = true;
- interpreter.pause();
- }
- function load_level(content) {
- const lines = content.split("\n");
- const height = lines.length;
- let width = 0;
- for(let i=0; i<height; i++) {
- if (lines[i].length > width) {
- width = lines[i].length;
- }
- }
- let table = document.getElementById("table");
- while(table.children.length > height) {
- table.removeChild(table.children[table.children.length-1]);
- interpreter.field.pop();
- }
- while(table.children.length < height) {
- table.appendChild(document.createElement("tr"));
- interpreter.field.push([]);
- }
- for(let i=0; i<height; i++) {
- let line;
- if (i >= lines.length)
- line = "";
- else
- line = lines[i];
- let row = table.children[i];
- while(row.children.length > width) {
- row.removeChild(row.children[row.children.length-1]);
- interpreter.field[i].pop();
- }
- while(row.children.length < width) {
- const td = document.createElement("td");
- const rown = i;
- const coln = row.children.length;
- td.addEventListener("click", function() { click_cell(coln, rown, td); });
- row.appendChild(td);
- interpreter.field[i].push(32);
- }
- for(let j=0; j<width; j++) {
- let val;
- if (j >= line.length)
- val = " ";
- else
- val = line[j];
- if (j == placed_col && i == placed_row) {
- val = removed;
- }
- set_cell(j, i, val.charCodeAt(0));
- }
- }
- }
- window.addEventListener("load", load);
- </script>
-<style>
-body { font-size: 4vh; }
-table { border: black solid 1px; padding: 0px; }
-th { font-family: monospace; font-weight: normal; }
-td { font-family: monospace; background: lightgrey; width: 1em; padding: 0px; text-align: center; }
-.out1 > p { display: inline-block; margin-top: 0; margin-bottom: 0; min-height: 1em; }
-.out1 > div { font-family: monospace; border: black solid 1px; display: inline-block; white-space-collapse: preserve; }
-.out1 > p:empty::before {
- content: "";
- display: inline-block;
-}
-.error { background-color: red; margin: 0px; }
-.active { background-color: lightpink; }
-.wrong { background-color: orange; }
-.right { background-color: green; }
-.follower { position: absolute; transform: translate(-50%, -50%); pointer-events: none; }
-body { cursor: none; }
-#threads { border: black solid 1px; padding: 0px; min-height: 2em;}
-#threads > p { margin: 0px; }
-@keyframes fadeOut {
- from { opacity: 1; }
- to { opacity: 0; }
-}
-
-#code { position: absolute; font-weight: bold; font-size: 50vh; pointer-events: none; animation: fadeOut 2s ease-out forwards; background: white; pointer-events: none; }
-</style>
- <title>Befunge</title>
- </head>
- <body>
- <div id="code">Code!</div>
- <div style="display: inline-block;"><big>Placing:</big></div><table style="display: inline-block;"><tr><td id="to_place"></td><th>Which does: <div id="place_description" style="display: inline-block;"></div></th></tr></table>
- <div style="display: inline-block;">Speed <input type="range" min="-100" max="150" value="40" id="speed" style="height: 1em;"/></div>
- <br/>
- <div id="threads"></div>
- <table id="table">
- </table>
- <div class="out1"><p>Output:</p><div id="out"></div></div>
- <div class="out1"><p>Previous:</p><div id="outlast"></div></div>
- <div class="out1"><p>Target:</p><div>Hello, world!</div></div>
- <div id="follower" class="follower"><table><tr><td id="follower_cell">x</td></tr></table></div>
- <div>Don't get exploded: <code id="bomb">💣......💥</code></div>
- </body>
-</html>
diff --git a/2026/games/liquidcake1/instructions.mjs b/2026/games/liquidcake1/instructions.mjs
deleted file mode 100644
index 58c6aab..0000000
--- a/2026/games/liquidcake1/instructions.mjs
+++ /dev/null
@@ -1,265 +0,0 @@
-export let instructions_raw = {
- "+": {
- impl: function (thread) { thread.stack.push(thread.pop() + thread.pop()); },
- desc: "b a → b + a",
- can_jit: true,
- stack_min: 2,
- stack_return: 1,
- unchecked_js_code: "stack[stack.length - 2] += stack.pop();",
- },
- "-": {
- impl: function (thread) { thread.stack.push(-thread.pop() + thread.pop()); },
- desc: "b a → b - a",
- can_jit: true,
- stack_min: 2,
- stack_return: 1,
- unchecked_js_code: "stack[stack.length - 2] -= stack.pop();",
- },
- "*": {
- impl: function (thread) { thread.stack.push(thread.pop() * thread.pop()); },
- desc: "b a → b * a",
- can_jit: true,
- stack_min: 2,
- stack_return: 1,
- unchecked_js_code: "stack[stack.length - 2] *= stack.pop();",
- },
- "/": {
- impl: function (thread) { let a = thread.pop(); let b = thread.pop(); thread.stack.push(Math.round(b / a)); },
- desc: "b a → b // a",
- can_jit: true,
- stack_min: 2,
- stack_return: 1,
- unchecked_js_code: "stack[stack.length - 2] /= stack.pop();",
- },
- "%": {
- impl: function (thread) { let a = thread.pop(); let b = thread.pop(); thread.stack.push(b % a); },
- desc: "b a → b % a",
- can_jit: true,
- stack_min: 2,
- stack_return: 1,
- unchecked_js_code: "stack[stack.length - 2] %= stack.pop();",
- },
- "!": {
- impl: function (thread) { thread.stack.push(thread.pop() == 0 ? 1 : 0); },
- desc: "a → a == 0 ? 1 : 0",
- can_jit: true,
- stack_min: 1,
- stack_return: 1,
- unchecked_js_code: "stack[stack.length - 1] = stack[stack.length - 1] ? 1 : 0;",
- },
- "`": {
- impl: function (thread) { thread.stack.push(thread.pop() < thread.pop() ? 1 : 0); },
- desc: "b a → b > a ? 1 : 0",
- can_jit: true,
- stack_min: 2,
- stack_return: 1,
- unchecked_js_code: "stack[stack.length - 2] = stack.pop() < stack[stack.length - 1] ? 0 : 1;",
- },
- "<": {
- impl: function (thread) { thread.cold = -1; thread.rowd = 0; },
- desc: "() → (); go left",
- stack_min: 0,
- stack_return: 0,
- unchecked_js_code: "",
- can_jit: true,
- },
- ">": {
- impl: function (thread) { thread.cold = 1; thread.rowd = 0; },
- desc: "() → (); go right",
- stack_min: 0,
- stack_return: 0,
- unchecked_js_code: "",
- can_jit: true,
- },
- "^": {
- impl: function (thread) { thread.cold = 0; thread.rowd = -1; },
- desc: "() → (); go up",
- stack_min: 0,
- stack_return: 0,
- unchecked_js_code: "",
- can_jit: true,
- },
- "v": {
- impl: function (thread) { thread.cold = 0; thread.rowd = 1; },
- desc: "() → (); go down",
- stack_min: 0,
- stack_return: 0,
- unchecked_js_code: "",
- can_jit: true,
- },
- "?": {
- impl: function (thread) { let x = Math.floor(Math.random() * 4); thread.cold = ((x % 2) * 2 - 1) * Math.floor(x / 2); thread.rowd = ((x % 2) * 2 - 1) * ( 1 - Math.floor(x / 2)); },
- desc: "() → (); go random cardinal",
- can_jit: false,
- },
- "_": {
- impl: function (thread) { thread.rowd = 0; thread.cold = thread.pop() == 0 ? 1 : -1; },
- desc: "a → (); a == 0 ? go right : go left",
- can_jit: false,
- },
- "|": {
- impl: function (thread) { thread.cold = 0; thread.rowd = thread.pop() == 0 ? 1 : -1; },
- desc: "a → (); a == 0 ? go down : go up",
- can_jit: false,
- },
- '"': {
- impl: function (thread) { thread.mode = "string"; },
- desc: "; toggle string mode",
- can_jit: false, // TODO this should be OK, but we'll need JIT for string mode.
- stack_min: 0,
- stack_return: 0,
- },
- ":": {
- impl: function (thread) { thread.stack.push(thread.stack[thread.stack.length-1]); },
- desc: "a → a a",
- can_jit: true,
- stack_min: 1,
- stack_return: 2,
- unchecked_js_code: "stack.push(stack[stack.length-1]);",
- },
- "\\": {
- impl: function (thread) { let a = thread.pop(); var b = thread.pop(); thread.stack.push(a, b); },
- desc: "b a → a b",
- can_jit: true,
- stack_min: 2,
- stack_return: 2,
- unchecked_js_code: "stack.push(stack.pop(), stack.pop());",
- },
- "$": {
- impl: function (thread) { thread.pop(); },
- desc: "a → ()",
- can_jit: true,
- stack_min: 1,
- stack_return: 0,
- unchecked_js_code: "stack.pop();",
- },
- ".": {
- impl: function (thread) { thread.interpreter.out(thread.pop() + " "); },
- desc: "a → (); output a",
- can_jit: false,
- },
- ",": {
- impl: function (thread) { thread.interpreter.out(String.fromCharCode(thread.pop())); },
- desc: "a → (); output chr(a)",
- can_jit: false,
- },
- "#": {
- impl: function (thread) { thread.col += thread.cold; thread.row += thread.rowd; },
- desc: "; jump one cell",
- can_jit: true,
- stack_min: 0,
- stack_return: 0,
- unchecked_js_code: "",
- },
- "g": {
- impl: function (thread) { let row = thread.pop(); var col = thread.pop(); thread.stack.push(thread.interpreter.get_field(thread, col, row)); },
- desc: "col row → field[row][col]",
- can_jit: true,
- stack_min: 2,
- stack_return: 1,
- unchecked_js_code: "{let row = stack.pop(); stack[stack.length-1] = (thread.interpreter.get_field(thread, stack[stack.length-1], row));}",
- },
- "p": {
- impl: function (thread) { let row = thread.pop(); var col = thread.pop(); var val = thread.pop(); thread.interpreter.set_field(thread, col, row, val); },
- desc: "val col row → (); field[row][col] = val",
- can_jit: true,
- stack_min: 3,
- stack_return: 0,
- unchecked_js_code: function (thread_state) {
- return `
- {
- let row = stack.pop();
- let col = stack.pop();
- thread.interpreter.set_field(thread, col, row, stack.pop());
- for (let i=0; i<jit.path.length; i++) {
- if (jit.path[i][0] == row && jit.path[i][1] == col) {
- thread.row = ${thread_state.row} + ${thread_state.rowd};
- thread.col = ${thread_state.col} + ${thread_state.cold};
- thread.rowd = ${thread_state.rowd};
- thread.cold = ${thread_state.cold};
- return;
- }
- }
- }`},
- },
- "t": {
- impl: function (thread) { thread.interpreter.new_thread(thread.split_thread()); },
- desc: "; create new thread in reverse direction",
- can_jit: false,
- },
- // "&" input character TODO
- "~": { // TODO handle EOF properly (push nothing)
- impl: function (thread) {
- if (thread.interpreter.stdin_queue.length > 0) {
- console.log("Have data!");
- thread.stack.push(thread.interpreter.stdin_queue.pop());
- } else {
- console.log("Have no data!");
- return new Promise(r => thread.interpreter.stdin_waiters.push(r)).then(function (char_code) {thread.stack.push(char_code); thread.blocked = false;});
- }
- },
- desc: "() → x; read a character from input",
- can_jit: false,
- },
- "@": {
- impl: function (thread) { thread.interpreter.output_error(thread, "Normal termination!"); thread.running = false; },
- desc: "; stop current thread",
- can_jit: false,
- },
- "]": {
- impl: function (thread) { thread.interpreter.output_error(thread, "Debug!"); },
- desc: "; dump thread debug",
- can_jit: false,
- },
- " ": {
- impl: function (thread) { },
- desc: "; no-op",
- can_jit: true,
- stack_min: 0,
- stack_return: 0,
- unchecked_js_code: "",
- },
- "(": {
- impl: function (thread) {
- const n = thread.pop();
- let x = 0;
- for(let i=0; i<n; i++) {
- x = x * 256 + thread.pop();
- }
- if (thread.interpreter.overlays[x]) {
- // We don't support ")" anyway so for now don't
- // need to know how to undo...
- for(let [k, v] of Object.entries(thread.interpreter.overlays[x])) {
- thread.overlays[k.charCodeAt(0)] = v.impl;
- }
- thread.stack.push(x);
- thread.stack.push(1);
- } else {
- // Failure, reverse direction.
- thread.cold *= -1;
- thread.rowd *= -1;
- }
- },
- desc: "xn ... x1 n → f=(x1 + x2*256 + ... + xn*256^(n-1)) 1 | (); load semantic f or reverse",
- can_jit: false, // Varargs approach makes JIT hard!
- },
-};
-
-// Add numbers 0-9
-for(let i=0; i<10; i++) {
- const j = i; // Prevent any capture shenanigans.
- instructions_raw[i] = {
- impl: function (state) { state.stack.push(j); },
- desc: `() → ${i}`,
- can_jit: true,
- stack_min: 0,
- stack_return: 1,
- unchecked_js_code: `stack.push(${i});`,
- };
-}
-
-// Fast access instructions array.
-export let instructions = {};
-for(let [s, val] of Object.entries(instructions_raw)) {
- instructions[s.charCodeAt(0)] = val.impl;
-}
diff --git a/2026/games/liquidcake1/interpreter.mjs b/2026/games/liquidcake1/interpreter.mjs
deleted file mode 100644
index 703b2d7..0000000
--- a/2026/games/liquidcake1/interpreter.mjs
+++ /dev/null
@@ -1,449 +0,0 @@
-// JIT TODO:
-// * OK, it's probably about 6x faster with JIT than without, but we can go another 4-5x faster by loop unrolling.
-// * We don't bounds-check the stack before executing a JITted routine.
-// * We can probably do a lot better in speed by unrolling and aliasing the stack. Name top N stack vars a1 to aN,
-// then unpack the top N into those, then run code, then pack aN to a?.
-// * We don't have support for branches, even just the dumb "primary only, bail otherwise" variety.
-// * We don't ever remove JIT. We should destroy JIT when a cell is modified.
-// * If a cell is modified _DURING_ a JITted sequence, what do? If external, we can just claim it doesn't matter.
-// If the thread self-modified, we'll need a means to abort the JITted sequence early.
-// * There is no JIT visualisation.
-
-import { instructions, instructions_raw } from "./instructions.mjs";
-import { Queue } from "./queue.mjs";
-import { Jit } from "./jit.mjs";
-
-function gen_fingerprint(s) {
- let x = 0;
- for(let c of Array.from(s).map(x => x.charCodeAt(0))) {
- x = x * 256 + c;
- }
- return x;
-}
-
-function deep_copy(obj) {
- return JSON.parse(JSON.stringify(obj));
-}
-
-function shallow_copy(obj) {
- return Object.fromEntries(Object.entries(obj));
-}
-
-function shallowish_copy(obj, i) {
- if (i > 0) {
- return shallowish_copy(obj, i - 1);
- } else {
- return shallow_copy(obj);
- }
-}
-
-class Thread {
- running = true;
- mode = "normal";
- jit = null;
- tick_count = 0;
-
- constructor(interpreter, col, row, cold, rowd, stack, overlays) {
- this.interpreter = interpreter;
- this.col = col;
- this.row = row;
- this.cold = cold;
- this.rowd = rowd;
- this.stack = stack;
- this.overlays = overlays || {};
- }
-
- split_thread() {
- let thread = new Thread(
- this.interpreter,
- this.col,
- this.row,
- -this.cold,
- -this.rowd,
- Array.from(this.stack),
- shallow_copy(this.overlays),
- );
- thread.tick_forwards();
- thread.tick_count = this.tick_count; // Ensure new thread has equal priority to old thread.
- return thread;
- }
-
- tick_forwards() {
- this.col += this.cold;
- this.row += this.rowd;
- if (this.row == this.interpreter.field.length && this.rowd > 0) this.row = 0;
- else if (this.row == -1 && this.rowd < 0) this.row = this.interpreter.field.length - 1;
- if (this.col == this.interpreter.field[this.row].length && this.cold > 0) this.col = 0;
- else if (this.col == -1 && this.cold < 0) this.col = this.interpreter.field[this.row].length - 1;
- }
-
- pop() {
- if (this.stack.length > 0) {
- return this.stack.pop();
- } else {
- this.interpreter.error(this, "Stack underflow");
- return 0;
- }
- }
-}
-
-export class Interpreter {
- max_loops = 1000000000000;
- ticks = 0;
- paused_wake = null;
- paused_event = null;
- slice_loops = 1;
- slice_sleep = 20;
- running = false;
- threads = [];
- events = {};
- awake_sleep = null;
- stats = [];
- field = [];
- instructions = shallow_copy(instructions);
- instructions_raw = shallow_copy(instructions_raw);
- overlays = {};
- input_queue = new Queue(); // Queue things like: change speed, input, etc.
- stdin_queue = new Queue(); // Chars from stdin.
- stdin_waiters = [];
- handlers = {};
-
- constructor() {
- this.jit = new Jit(this);
- }
-
- load_overlay(fingerprint, overlay) {
- this.overlays[gen_fingerprint(fingerprint)] = overlay;
- }
-
- add_handler(event_name, f) {
- if (this.handlers[event_name] === undefined) {
- this.handlers[event_name] = [];
- }
- this.handlers[event_name].push(f);
- }
-
- trigger_event(event_name, ...args) {
- //console.log(`Event: ${event_name} -- ${args}`);
- let handlers = this.handlers[event_name];
- if (handlers === undefined) {
- //console.log(`Unhandled event: ${event_name} -- ${args}`);
- } else {
- handlers.forEach(f => f(...args));
- }
- }
-
- set_speed(raw_speed) {
- if (raw_speed > 0) {
- this.slice_sleep = 1;
- this.slice_loops = Math.floor(1.1 ** raw_speed);
- } else {
- this.slice_sleep = Math.floor(1.1 ** -raw_speed);
- this.slice_loops = 1;
- }
- this.trigger_event("speed_changed", raw_speed, this.slice_sleep, this.slice_loops);
- }
-
- toggle_pause(e) {
- if (this.paused_wake === null) {
- this.pause();
- } else {
- this.unpause();
- }
- }
-
- pause() {
- let thisthis = this;
- this.paused_event = new Promise(function (r) {
- thisthis.paused_wake = r;
- // We shouldn't be in the sleep loop if paused.
- if (thisthis.awake_sleep != null) thisthis.awake_sleep();
- });
- // These really need outputting from the main loop, not here!
- this.trigger_event("paused", true);
- this.threads.forEach(function (thread) {
- thisthis.trigger_event("thread_paused", thread, true);
- });
- }
-
- unpause() {
- let old_wake = this.paused_wake;
- let thisthis = this;
- this.paused_wake = null;
- this.trigger_event("paused", false);
- this.threads.forEach(function (thread) {
- thisthis.trigger_event("thread_paused", thread, false)
- });
- if (old_wake)
- old_wake();
- }
-
- async sleep_until_unpaused(all_blocked) { // TODO???
- if (!this.paused_event)
- await this.sleep(all_blocked ? 50 : this.slice_sleep);
- if (this.paused_event) {
- let paused_event = this.paused_event;
- this.paused_event = null;
- let unpause_data = await paused_event;
- return unpause_data;
- }
- }
-
- step(e) {
- let old_wake = this.paused_wake;
- this.pause();
- if (old_wake !== null) {
- old_wake({count: 1});
- }
- }
-
- step_thread(thread) {
- let old_wake = this.paused_wake;
- this.pause();
- if (old_wake !== null) {
- old_wake({threads: [thread], count: 1});
- }
- }
-
- async go() {
- //console.log(this.threads);
- this.stop();
- if (this.running_promise != null) {
- console.log("Waiting for last thread to exit");
- await this.running_promise;
- console.log("Last thread has exited");
- }
- let thread = new Thread(this, 0, 0, 1, 0, []);
- this.new_thread(thread);
- this.trigger_event("started");
- this.main_loop();
- }
-
- new_thread(thread) {
- this.threads.push(thread);
- this.trigger_event("thread_created", thread);
- }
-
- stop() {
- if (this.threads.length > 0) {
- this.trigger_event("stopped");
- }
- this.threads.forEach(function (thread) { thread.running = false; });
- this.unpause();
- if (this.awake_sleep != null) this.awake_sleep();
- }
-
- check(state, col, row) {
- if (row < 0 || row >= this.field.length) this.error(state, `Row ${row} is out of bounds`);
- //else if (col < 0 || col >= this.field[row].length) this.error(state, `Col ${col} is out of bounds`);
- else return true;
- }
-
- set_field(state, col, row, val) {
- if (this.check(state, col, row)) {
- this.set_cell(col, row, val);
- } else {
- console.log(`out of bounds access ${state} ${col} ${row} ${val}`);
- }
- }
-
- set_cell(col, row, val) {
- let val_str = String.fromCharCode(val);
- this.field[row][col] = val;
- let title = `(${col},${row})=${val} (${val_str})`;
- if (this.instructions_raw[val_str] !== undefined)
- title += ": " + this.instructions_raw[val_str].desc;
- this.jit.cell_changed(row, col);
- this.trigger_event("cell_changed", col, row, val);
- }
-
- get_field(state, col, row, val) {
- if (this.check(state, col, row)) {
- let val = this.field[row][col];
- return val === undefined ? 0 : val;
- }
- }
-
- out(s) {
- this.trigger_event("char_out", s);
- //console.log("Out: " + s);
- }
- oute(s) {
- this.trigger_event("error_occurred", s);
- //console.log("Err: " + s);
- }
-
- error(thread, message) {
- thread.running = false;
- this.output_error(thread, message);
- }
-
- output_error(thread, message) {
- this.oute(`ERROR: ${message}`);
- this.oute(`State was: row=${thread.row} col=${thread.col} stack=${thread.stack}`);
- this.output_field();
- }
-
- output_field() {
- let lines = [];
- for(let row=0; row<this.field.length; row++) {
- let s = "";
- for(let col=0; col<this.field[row].length; col++) {
- let c = this.field[row][col];
- s += (c > 31 && c < 127 ? String.fromCharCode(this.field[row][col]) : "?");
- }
- lines.push(s);
- }
- this.trigger_event("output_field", lines);
- }
-
- async sleep(ms) {
- await new Promise(r => { this.awake_sleep = r; setTimeout(r, ms) });
- this.awake_sleep = null;
- }
-
- process_events() {
- while (this.input_queue.length > 0) {
- let item = this.input_queue.pop();
- if (item[0] == "set_speed") {
- this.set_speed(item[1]);
- } else if (item[0] == "pause") {
- this.pause();
- } else if (item[0] == "unpause") {
- this.unpause();
- } else if (item[0] == "stdin") {
- if (this.stdin_waiters.length > 0) {
- this.stdin_waiters.shift()(item[1]);
- } else {
- this.stdin_queue.push(item[1]);
- }
- }
- }
- }
-
- async main_loop() {
- let ticks = 0;
- this.running = true;
- let running_wake = null;
- this.running_promise = new Promise(r => { running_wake = r; });
- let highlighted_cells = [];
- let start_time = new Date().getTime();
- let all_blocked = false;
- while(this.threads.length > 0) {
- this.process_events();
- let slice_loops = this.slice_loops;
- let limit_threads = null;
- let need_sleep = true;
-
- this.threads.forEach(thread => this.trigger_event("thread_state_updated", thread));
- this.trigger_event("thread_state_synced", this.threads);
-
- if (ticks > this.max_loops) {
- this.ticks += ticks;
- ticks = 0;
- let end_time = new Date().getTime();
- this.oute(`Ran out of ticks! (${ticks} > ${this.max_loops})`);
- console.log(`${ticks} in ${end_time - start_time} is ${ticks / (end_time - start_time) / 1000} MHz`);
- this.pause();
- this.output_field();
- }
-
- let unpause_data = await this.sleep_until_unpaused(all_blocked);
- if (unpause_data) {
- console.log(`Unpaused; resetting ticks to 0 from ${ticks}`);
- start_time = new Date().getTime();
- if (unpause_data.count !== undefined) {
- need_sleep = false;
- slice_loops = unpause_data.count;
- }
- if (unpause_data.threads !== undefined)
- limit_threads = unpause_data.threads;
- }
-
- let count = 0;
- let dead_threads = [];
- while(count < slice_loops && this.threads.length > 0) {
- // This will _not_ iterate over newly-added threads.
- all_blocked = true;
- let to_iter = limit_threads !== null ? limit_threads : this.threads;
- to_iter = to_iter.filter(thread => !thread.blocked);
- if (to_iter.length == 0) {
- break;
- }
- to_iter.forEach(function (thread) { if (!thread.waiter) { all_blocked = false; } });
- let min_count = Math.min(...to_iter.map(x => x.tick_count));
- to_iter.forEach((thread, i) => {
- if (thread.tick_count == min_count) {
- let tick_count = this.tick(thread, slice_loops - count, i);
- count += tick_count;
- thread.tick_count += tick_count;
- }
- });
- let new_dead_threads = this.threads.filter(t => !t.running);
- if (new_dead_threads) {
- dead_threads.push(...new_dead_threads);
- this.threads = this.threads.filter(t => t.running);
- }
- }
-
- dead_threads.forEach(
- dead_thread => this.trigger_event("thread_dead", dead_thread));
-
- ticks += count;
- }
- running_wake();
- //console.log(`exited main_loop with ticks ${ticks}`);
- this.ticks += ticks;
- let end_time = new Date().getTime();
- //console.log(`${ticks} in ${end_time - start_time} is ${ticks / (end_time - start_time) / 1000} MHz`);
- this.output_field();
- this.trigger_event("terminate");
- }
-
- tick(thread, target_ticks, thread_num) {
- if (thread.waiter) {
- try {
- if (thread.waiter(thread)) {
- thread.waiter = null;
- }
- } catch (err) {
- this.error(thread, "Exception caught during waiter: " + err.message);
- //console.log(err.stack);
- }
- return 1;
- }
- if (thread.mode == "normal") {
- let symbol = this.field[thread.row][thread.col] || 32;
- let instruction = thread.overlays[symbol] || this.instructions[symbol];
- //console.log(`Executing ${String.fromCharCode(symbol)} at ${thread.col},${thread.row} stack_length=${thread.stack.length} stack_tail=${thread.stack.slice(-10)}`);
- //console.log("Executing " + String.fromCharCode(symbol));
- let jit_return = this.jit.step_jit(thread, target_ticks);
- if (jit_return > 0) {
- return jit_return;
- }
- if (instruction == null) {
- this.error(thread, "Invalid instruction: " + symbol);
- } else {
- try {
- let ret = instruction(thread, thread_num);
- if (ret && ret.constructor === Promise) {
- thread.blocked = true;
- }
- } catch (err) {
- this.error(thread, "Exception caught during " + symbol + ": " + err.message);
- //console.log(err.stack);
- }
- }
- } else if (thread.mode == "string") {
- let symbol = this.field[thread.row][thread.col];
- if (symbol == '"'.charCodeAt(0)) {
- thread.mode = "normal";
- } else {
- thread.stack.push(symbol);
- }
- }
- thread.tick_count += 1;
- thread.tick_forwards();
- return 1;
- }
-}
diff --git a/2026/games/liquidcake1/jit.mjs b/2026/games/liquidcake1/jit.mjs
deleted file mode 100644
index da0d2fb..0000000
--- a/2026/games/liquidcake1/jit.mjs
+++ /dev/null
@@ -1,259 +0,0 @@
-// JIT TODO:
-// * OK, it's probably about 6x faster with JIT than without, but we can go another 4-5x faster by loop unrolling.
-// * We don't bounds-check the stack before executing a JITted routine.
-// * We can probably do a lot better in speed by unrolling and aliasing the stack. Name top N stack vars a1 to aN,
-// then unpack the top N into those, then run code, then pack aN to a?.
-// * We don't have support for branches, even just the dumb "primary only, bail otherwise" variety.
-// * We don't ever remove JIT. We should destroy JIT when a cell is modified.
-// * If a cell is modified _DURING_ a JITted sequence, what do? If external, we can just claim it doesn't matter.
-// If the thread self-modified, we'll need a means to abort the JITted sequence early.
-// * There is no JIT visualisation.
-
-function diagonalise_positive(row, col) {
- /*
- 0 1 3 6
- 2 4 7
- 5 8
- 9
- */
- let shell = row + col;
- let prev_shell_indices = shell * (shell + 1) / 2;
- return prev_shell_indices + row;
-}
-
-function dediagonalise_positive(diagonal_index) {
- // n (n + 1) / 2 = x;
- let shell = Math.floor((Math.sqrt(8 * diagonal_index + 1) - 1) / 2);
- let row_0_index = diagonalise_positive(0, shell);
- let row = diagonal_index - row_0_index;
- let col = shell - row;
- return [row, col];
-}
-
-function diagonalise_any(row, col) {
- /*
- 35 21 11 23 39
- 20 10 4 12 24
- 9 3 0 1 5
- 18 8 2 6 14
- 31 17 7 15 27
- */
- let shell = Math.abs(row) + Math.abs(col);
- if (shell == 0) return 0;
- let prev_shell_indices = 2 * shell * (shell - 1);
- if (row >= 0) {
- return prev_shell_indices + shell + 1 - col;
- } else {
- return prev_shell_indices + 3 * shell + 1 + col;
- }
-}
-
-function dediagonalise_any(diagonal_index) {
- if (diagonal_index == 0) {
- return [0, 0];
- }
- // cumulative past shell size is (shell-1)^2 + shell^2
- // so 2s^2 - 2s + 1 = n
- // (2 + (4-8(1-n))^0.5)/4 = ((2n-1)^0.5+1)/2
- let shell = Math.floor((Math.sqrt(2*diagonal_index-1)+1)/2);
- let row_0_pos_index = diagonalise_any(0, shell);
- let col = shell - diagonal_index + row_0_pos_index;
- if (col < -shell) {
- col = -2 * shell - col;
- }
- let row = diagonal_index - row_0_pos_index;
- if (row > shell) {
- row = 2 * shell - row;
- }
- if (row < -shell) {
- row = -2 * shell - row;
- }
- return [row, col];
-}
-
-function diagonalise_with_dir(row, col, rowd, cold) {
- return 4 * diagonalise_positive(row, col) + diagonalise_any(rowd, cold);
-}
-
-function dediagonalise_with_dir(diagonal_index) {
- let dir_diag = diagonal_index % 4;
- let pos_diag = diagonal_index / 4;
- return dediagonalise_any(pos_diag).concat(dediagonalise_positive(dir_diag));
-}
-
-class CellStats {
- hit_count = 1;
- jit_starts = [];
- jit = null;
-}
-
-class JitPath {
- path = [];
- code = "";
- stack_req = 0;
- stack_delta = 0;
- instruction_count = 0;
- constructor() {
- }
-}
-
-class JitFragment {
- end_row = null;
- end_col = null;
- end_rowd = null;
- end_cold = null;
- instruction_count = null;
- path = null;
- stack_req = null;
- code = null;
- jit_starts = []; // Should just be the initial cell, but kept for consistency
-
- constructor(thread, instruction_count, path, stack_req, code) {
- // TODO: let [end_row, end_col, end_rowd, end_cold] = dediagonalise_with_dir(resting_place);
- this.end_row = thread.row;
- this.end_col = thread.col;
- this.end_rowd = thread.rowd;
- this.end_cold = thread.cold;
- this.instruction_count = instruction_count;
- this.path = path;
- this.stack_req = stack_req;
- this.code = code;
- }
-
- maybe_run_in_thread(thread, target_ticks) {
- // TODO include this fragment in the JIT code itself.
- // TODO should store and check thread fingerprints!
- if (this.instruction_count > target_ticks || thread.stack.length < this.stack_req) {
- // Checking requirements not met. Just interpret.
- //console.log(`Not running JIT. ${this.instruction_count} > ${target_ticks} || ${thread.stack.length} < ${this.stack_req}`);
- return 0;
- }
- try {
- this.call(thread);
- } catch (err) {
- thread.interpreter.error(thread, `Exception caught in JIT: ${err.message}`);
- // TODO: Stop thread?!
- }
- thread.tick_count += this.instruction_count;
- thread.row = this.end_row;
- thread.col = this.end_col;
- thread.rowd = this.end_rowd;
- thread.cold = this.end_cold;
- return this.instruction_count;
- }
-}
-
-export class Jit {
- cell_stats = {};
- path = null;
- threshold = 10000000000;
- interpreter = null;
-
- constructor(interpreter) {
- this.interpreter = interpreter;
- }
-
- step_jit(thread, target_ticks) {
- let diagonal_index = diagonalise_with_dir(thread.row, thread.col, thread.rowd, thread.cold);
- let jit_path = thread.jit_path;
- if (jit_path === undefined) {
- let cell_stats = this.cell_stats[diagonal_index];
- // Run jitted code, if present, else increment count and possibly start a JIT follow.
- if (!cell_stats) {
- this.cell_stats[diagonal_index] = new CellStats();
- return 0;
- } else if (cell_stats.jit) {
- return cell_stats.jit.maybe_run_in_thread(thread, target_ticks);
- } else {
- cell_stats.hit_count += 1;
- if (cell_stats.hit_count < this.threshold) {
- return 0;
- }
- //console.log(`loop found at ${diagonal_index}?`);
- thread.jit_path = jit_path = new JitPath();
- // Fall through to below now.
- }
- }
- //console.log(`${jit_path}`);
- if (jit_path.path.length > 0 && diagonal_index == jit_path.path[0]) {
- // We completed a path.
- let jit = this.complete_jit(thread);
- // Run it, else we'll run the current instruction and then begin a new
- // loop at the next cell, which will prevent evaluation of this one!
- return jit.maybe_run_in_thread(thread, target_ticks);
- }
- // We're following a path.
- // TODO this should not need to do string futzing.
- let symbol = this.interpreter.field[thread.row][thread.col];
- if (thread.overlays[symbol] !== undefined) {
- // TODO
- //console.log("Stopping JIT as we're entering an instruction from an overlay.");
- this.complete_jit(thread);
- return 0;
- }
- let raw_instruction = this.interpreter.instructions_raw[String.fromCharCode(symbol)];
- if (raw_instruction === undefined) {
- //console.log("Stopping JIT as we're entering an unknown instruction.");
- this.complete_jit(thread);
- return 0;
- }
- if (!raw_instruction.can_jit) {
- //console.log("Stopping JIT as we're entering an instruction I don't understand.");
- //console.log(jit_path);
- this.complete_jit(thread);
- return 0;
- }
- jit_path.code += `// ${String.fromCharCode(symbol)} at row ${thread.row}, col ${thread.col}, heading ${thread.rowd}, ${thread.cold}\n`;
- let real_code = raw_instruction.unchecked_js_code;
- if (typeof real_code == 'function') {
- real_code = real_code(thread);
- }
- jit_path.code += `${real_code}\n`;
- jit_path.stack_req = Math.max(jit_path.stack_req, -jit_path.stack_delta - raw_instruction.stack_min);
- jit_path.stack_delta += raw_instruction.stack_return - raw_instruction.stack_min;
- jit_path.path.push(diagonal_index);
- jit_path.instruction_count += 1;
- //console.log(jit_path);
- return 0;
- }
-
- complete_jit(thread) {
- let jit_path = thread.jit_path;
- thread.jit_path = undefined;
- if (jit_path.path.length == 0) {
- //console.log("JIT path is empty.");
- return;
- }
- console.log("Performing JIT compile, length " + jit_path.path.length);
- //console.log(jit_path);
- // TODO: jit_path.compile()
- let code = `jit.call=function (thread) {\nlet stack = thread.stack;\n${jit_path.code}\n}`;
- //console.log(code);
- let jit = new JitFragment(thread, jit_path.instruction_count, jit_path.path, jit_path.stack_req, code);
- //console.log(jit);
- eval(code);
- //console.log(jit);
- let starting_place = jit_path.path[0];
- this.cell_stats[jit_path.path[0]].jit = jit;
- for(let i=0; i<jit_path.path.length; i++) {
- this.cell_stats[jit_path.path[i]].jit_starts.push(starting_place);
- }
- // Drop out of follow mode, now.
- return jit;
- }
-
- cell_changed(row, col) {
- let dirs = [[-1, 0], [1, 0], [0, -1], [0, 1]];
- for(let i=0; i<4; i++) {
- let rowd = dirs[i][0];
- let cold = dirs[i][1];
- let cell_diagonal_index = diagonalise_with_dir(row, col, rowd, cold);
- let cell_stats = this.cell_stats[cell_diagonal_index];
- if (cell_stats) {
- for(let j=0; j<cell_stats.jit_starts.length; j++) {
- this.cell_stats[cell_stats.jit_starts[j]] = undefined;
- }
- }
- }
- }
-}
diff --git a/2026/games/liquidcake1/queue.mjs b/2026/games/liquidcake1/queue.mjs
deleted file mode 100644
index e6c3efe..0000000
--- a/2026/games/liquidcake1/queue.mjs
+++ /dev/null
@@ -1,30 +0,0 @@
-export class Queue {
- /* Structure is a (hopefully short) list of (longer) lists.
- * Queue to the last list.
- * Hold index into first list.
- */
- length = 0;
- index = -1;
- content = [[]];
- max_len = 100;
- push(x) {
- let content = this.content;
- if (content[content.length - 1].length > this.max_len) {
- content.push([]);
- }
- content[content.length - 1].push(x);
- this.length += 1;
- }
- pop() {
- this.index += 1;
- if (this.index >= this.content[0].length) {
- if (this.content.length == 1) {
- throw("empty");
- }
- this.content.shift();
- this.index = 0;
- }
- this.length -= 1;
- return this.content[0][this.index];
- }
-}
diff --git a/2026/games/liquidcake1/wasm.mjs b/2026/games/liquidcake1/wasm.mjs
deleted file mode 100644
index 18bf547..0000000
--- a/2026/games/liquidcake1/wasm.mjs
+++ /dev/null
@@ -1,51 +0,0 @@
-export function load_wasm(interpreter) {
- /*
- (memory $memory 1)
- (export "memory" (memory $memory))
- (func (export "load_first_item_in_mem") (param) (result i32)
- i32.const 0
-
- ;; load first item in memory and return the result
- i32.load
- ;; store 10000 in the first location in memory
- i32.const 0
- i32.const 10000
- i32.store
- )
- */
- /*
- (module
-(func $pop (import "my_namespace" "pop") (param i32) (result i32))
-(func $push (import "my_namespace" "push") (param i32 i32))
-(func (export "plus") (param i32)
- local.get 0
- local.get 0
- call $pop
- local.get 0
- call $pop
- i32.add
- call $push
-))
-*/
- //let wasm_string = "AGFzbQEAAAABBwFgAn9/AX8DAgEABwoBBmFkZFR3bwAACgkBBwAgACABagsACgRuYW1lAgMBAAA=";
- let wasm_string = "AGFzbQEAAAABDwNgAX8Bf2ACf38AYAF/AAIoAgxteV9uYW1lc3BhY2UDcG9wAAAMbXlfbmFtZXNwYWNlBHB1c2gAAQMCAQIHCAEEcGx1cwACChEBDwAgACAAEAAgABAAahABCwAcBG5hbWUBDAIAA3BvcAEEcHVzaAIHAwAAAQACAA==";
- // Fake minus version
- //let wasm_string = "AGFzbQEAAAABDwNgAX8Bf2ACf38AYAF/AAIoAgxteV9uYW1lc3BhY2UDcG9wAAAMbXlfbmFtZXNwYWNlBHB1c2gAAQMCAQIHCAEEcGx1cwACChEBDwAgACAAEAAgABAAaxABCwAcBG5hbWUBDAIAA3BvcAEEcHVzaAIHAwAAAQACAA==";
- let wasm_array = new TextEncoder().encode(atob(wasm_string))
- const importObject = {
- my_namespace: {
- pop: threadNo => interpreter.threads[threadNo].pop(),
- push: (threadNo, i) => interpreter.threads[threadNo].stack.push(i),
- }
- };
- return WebAssembly.compile(wasm_array).then((mod) =>
- WebAssembly.instantiate(mod, importObject).then(instance => {
- patch_interpreter(interpreter, instance);
- return instance;
- })
- );
-}
-function patch_interpreter(interpreter, instance) {
- interpreter.instructions_raw["+"].impl = function (thread, thread_num) { instance.exports.plus(thread_num); };
- interpreter.instructions["+".charCodeAt(0)] = function (thread, thread_num) { instance.exports.plus(thread_num); };
-}
generated by cgit v1.3.1 (git 2.54.0) at 2026-09-02 08:31:09 +0000