From 365312b14723503424a601a49827c191af82ad7a Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@spork.org>
Date: Sat, 23 Aug 2025 13:40:37 -0400
Subject: begginnenblinken

---
 main.mjs | 63 +++++++++++++++++++++++++++++++++++++++------------------------
 1 file changed, 39 insertions(+), 24 deletions(-)

(limited to 'main.mjs')

diff --git a/main.mjs b/main.mjs
index f8c9267..dcd2ec7 100644
--- a/main.mjs
+++ b/main.mjs
@@ -15,9 +15,7 @@ function wordlistElts(wordlist) {
 }
 
 function selectorForIP(word, offset) {
-    const sel = `#wordlist x-bytecode[x-index='${word}'] x-op[x-index='${offset}']`;
-    console.debug('using sel', sel);
-    return sel;
+    return `#wordlist x-bytecode[x-index='${word}'] x-op[x-index='${offset}']`;
 }
 
 function initWordlist() {
@@ -34,10 +32,8 @@ function renderStack(interp) {
         }
         interp.stack().reverse()
             .forEach(datum => {
-                console.debug('creating elt for', datum);
                 const elt = document.createElement('li');
                 elt.textContent = datum;
-                console.debug('elt', elt);
                 e.appendChild(elt);
                 return elt;
             });
@@ -51,16 +47,29 @@ function renderCallStack(interp) {
         }
         interp.callstack().reverse()
             .forEach(datum => {
-                console.debug('creating elt for', datum);
                 const elt = document.createElement('li');
                 elt.textContent = `${datum.word}@${datum.offset}`;
-                console.debug('elt', elt);
                 e.appendChild(elt);
                 return elt;
             });
     });
 }
 
+function tick(interp) {
+    if (!interp.tick()) {
+        interp.reset_ip();
+    }
+
+    const { word, offset } = interp.ip();
+    document.querySelectorAll('#wordlist .ip').forEach(e => e.classList.remove('ip'));
+    const sel = selectorForIP(word, offset);
+    document.querySelectorAll(sel).forEach(e => {
+        e.classList.add('ip');
+    });
+    renderStack(interp);
+    renderCallStack(interp);
+}
+
 async function loaded() {
     console.debug('running init');
     const mod = await init();
@@ -75,7 +84,6 @@ async function loaded() {
             console.debug('removing child', wordlistContainer.lastChild)
             wordlistContainer.removeChild(wordlistContainer.lastChild);
         }
-        console.debug('container has firstchild', wordlistContainer.firstChild)
 
         // always add a newline until i decide what to do with the parser.
         const text = document.querySelector('textarea').value + '\n';
@@ -87,25 +95,13 @@ async function loaded() {
             const wordlist = wordlistElts(interp.wordlist());
             wordlist.forEach(elt => wordlistContainer.appendChild(elt));
             initWordlist();
+            renderStack(interp);
+            renderCallStack(interp);
         }
     };
     document.querySelector('#tick').onclick = e => {
         console.debug('tick clicked', e);
-        if (!interp.tick()) {
-            interp.reset_ip();
-        }
-        console.info('callstack', interp.callstack());
-        console.info('stack', interp.stack());
-
-        const { word, offset } = interp.ip();
-        console.info('ip', word, offset);
-        document.querySelectorAll('#wordlist .ip').forEach(e => e.classList.remove('ip'));
-        const sel = selectorForIP(word, offset);
-        document.querySelectorAll(sel).forEach(e => {
-            e.classList.add('ip');
-        });
-        renderStack(interp);
-        renderCallStack(interp);
+        tick(interp);
     };
     document.querySelector('#bench').onclick = e => {
         console.debug('bench clicked', e);
@@ -115,9 +111,28 @@ async function loaded() {
             tickCount += interp.run();
         }
         const end = performance.now();
-        console.info(`run took ${end-start} ms for ${tickCount} ticks (${(end-start)/tickCount * 1000000} µs/tick).`);
+        console.info(`run took ${end-start} ms for ${tickCount} ticks (${(end-start)/tickCount * 1_000_000} ns/tick).`);
         console.info('result', interp.stack());
     };
+
+    let blinkenRun = false;
+    document.querySelector('#blinken').onclick = e => {
+        console.debug('blinken clicked', e);
+        blinkenRun = !blinkenRun;
+        if (blinkenRun) {
+            e.target.textContent = 'haltenblinken';
+        } else {
+            e.target.textContent = 'blinken';
+        }
+        const frameRate = 6;
+        const onTimeout = _ => {
+            if (blinkenRun) {
+                tick(interp);
+                setTimeout(onTimeout, 1_000 / frameRate);
+            }
+        }
+        setTimeout(onTimeout);
+    }
     window.interp = interp;
 }
 
-- 
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