diff --git a/Cargo.lock b/Cargo.lock
index e17b649..977acc5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -499,7 +499,7 @@ checksum = "b365fabc795046672053e29c954733ec3b05e4be654ab130fe8f1f94d7051f35"
[[package]]
name = "curlywas"
version = "0.1.0"
-source = "git+https://github.com/exoticorn/curlywas.git?rev=557c3a84#557c3a842675a1ebd77e84021f9f5236d4fa5648"
+source = "git+https://github.com/exoticorn/curlywas.git?rev=ebc701e#ebc701e2f2a5849a11ac94950b56803d70f4341d"
dependencies = [
"anyhow",
"ariadne",
diff --git a/Cargo.toml b/Cargo.toml
index 4ea7539..0248734 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ anyhow = "1"
minifb = { version = "0.20", default-features = false, features = ["x11"] }
notify = "4"
pico-args = "0.4"
-curlywas = { git = "https://github.com/exoticorn/curlywas.git", rev = "557c3a84" }
+curlywas = { git = "https://github.com/exoticorn/curlywas.git", rev = "ebc701e" }
wat = "1"
uw8-tool = { path = "uw8-tool" }
same-file = "1"
diff --git a/src/run-web.html b/src/run-web.html
index 60bb0a5..cfc1614 100644
--- a/src/run-web.html
+++ b/src/run-web.html
@@ -1 +1 @@
-uw8-run
\ No newline at end of file
+uw8-run
\ No newline at end of file
diff --git a/web/src/microw8.js b/web/src/microw8.js
index 6070a6d..56c713c 100644
--- a/web/src/microw8.js
+++ b/web/src/microw8.js
@@ -99,9 +99,11 @@ export default function MicroW8(screen, config = {}) {
let audioContext = new AudioContext({sampleRate: 44100});
let keepRunning = true;
+ let abortController = new AbortController();
cancelFunction = () => {
audioContext.close();
keepRunning = false;
+ abortController.abort();
}
let cartridgeSize = data.byteLength;
@@ -229,6 +231,24 @@ export default function MicroW8(screen, config = {}) {
let nextFrame = startTime;
audioNode.connect(audioContext.destination);
+
+ let isPaused = false;
+ let pauseTime = startTime;
+ let updateVisibility = isVisible => {
+ let now = Date.now();
+ if(isVisible) {
+ isPaused = false;
+ audioContext.resume();
+ startTime += now - pauseTime;
+ } else {
+ isPaused = true;
+ audioContext.suspend();
+ pauseTime = now;
+ }
+ };
+ window.addEventListener('focus', () => updateVisibility(true), { signal: abortController.signal });
+ window.addEventListener('blur', () => updateVisibility(false), { signal: abortController.signal });
+ updateVisibility(document.hasFocus());
function mainloop() {
if (!keepRunning) {
@@ -238,7 +258,7 @@ export default function MicroW8(screen, config = {}) {
try {
let now = Date.now();
let restart = false;
- if (now >= nextFrame) {
+ if (now >= nextFrame && !isPaused) {
let gamepads = navigator.getGamepads();
let gamepad = 0;
for (let i = 0; i < 4; ++i) {