fix input drops

app.js

@@ -4,6 +4,8 @@ const path = require("path");
 const fs = require("fs");
 let lastFrame = "";
 let emulator;
+let currentKey = "";
+let keyCooldown = 0;
 const mainHTML = fs.readFileSync(path.join(__dirname, "html", "gb.html"), "utf8");
 const KEYMAP = {
     RIGHT: 0,
@@ -25,9 +27,14 @@ async function run() {
         path: "./rom.gb",
         interval: 16.6666667,
         onFrame: function(frame) {
-            if (lastFrame !== frame) {
-                lastFrame = frame;
+            if (currentKey !== "") {
+                emulator.gameboy.pressKey(currentKey);
+                keyCooldown--;
+                if (keyCooldown <= 0) {
+                    currentKey = "";
+                }
             }
+            lastFrame = frame;
         }
     });
 
@@ -43,8 +50,12 @@ async function run() {
     fastify.get("/control", async(request, reply) => {
         const button = request.query.button;
         if (button) {
-            const mappedButton = KEYMAP[button.toUpperCase()];
-            if (mappedButton) emulator.pressKeys(emulator.gameboy, [mappedButton]);
+            if (keyCooldown > 0)
+                return;
+            if (KEYMAP[button]) {
+                currentKey = button;
+                keyCooldown = 10;
+            }
         }
     });