From 58d37ee46ec5718566b269bf1149501a384f9f56 Mon Sep 17 00:00:00 2001 From: Ben Firshman Date: Sat, 7 Feb 2026 13:41:27 -0800 Subject: [PATCH 1/2] Show error message in UI when game crashes Catch errors thrown by nes.frame() (e.g. invalid opcode), stop the emulator, and display the crash message in the screen container. Disable controls button when crashed since the emulator ref is stopped. Co-Authored-By: Claude Opus 4.6 --- src/Emulator.jsx | 20 ++++++++- src/RunPage.jsx | 109 ++++++++++++++++++++++++++++------------------- 2 files changed, 82 insertions(+), 47 deletions(-) diff --git a/src/Emulator.jsx b/src/Emulator.jsx index c8d354c..27bb2d1 100644 --- a/src/Emulator.jsx +++ b/src/Emulator.jsx @@ -23,7 +23,14 @@ class Emulator extends Component { this.screen = screen; }} onGenerateFrame={() => { - this.nes.frame(); + try { + this.nes.frame(); + } catch (e) { + this.stop(); + if (this.props.onError) { + this.props.onError(e); + } + } }} onMouseDown={(x, y) => { this.nes.zapperMove(x, y); @@ -79,7 +86,16 @@ class Emulator extends Component { window["nes"] = this.nes; this.frameTimer = new FrameTimer({ - onGenerateFrame: Raven.wrap(this.nes.frame), + onGenerateFrame: Raven.wrap(() => { + try { + this.nes.frame(); + } catch (e) { + this.stop(); + if (this.props.onError) { + this.props.onError(e); + } + } + }), onWriteFrame: Raven.wrap(this.screen.writeBuffer), }); diff --git a/src/RunPage.jsx b/src/RunPage.jsx index 9bc2408..85a9e3a 100644 --- a/src/RunPage.jsx +++ b/src/RunPage.jsx @@ -62,6 +62,7 @@ class RunPage extends Component { color="primary" onClick={this.toggleControlsModal} className="me-3" + disabled={!!this.state.error} > Controls @@ -77,51 +78,61 @@ class RunPage extends Component { - {this.state.error ? ( - this.state.error - ) : ( -
{ - this.screenContainer = el; - }} - > - {this.state.loading ? ( - - ) : this.state.romData ? ( - { - this.emulator = emulator; - }} - /> - ) : null} - - {/* TODO: lift keyboard and gamepad state up */} - {this.state.controlsModalOpen && ( - - )} -
- )} +
{ + this.screenContainer = el; + }} + > + {this.state.error ? ( +
+ {this.state.error} +
+ ) : this.state.loading ? ( + + ) : this.state.romData ? ( + { + this.emulator = emulator; + }} + /> + ) : null} + + {/* TODO: lift keyboard and gamepad state up */} + {this.state.controlsModalOpen && ( + + )} +
); } @@ -208,6 +219,14 @@ class RunPage extends Component { } }; + handleEmulatorError = (error) => { + this.setState({ + error: `The game has crashed: ${error.message}`, + running: false, + paused: false, + }); + }; + toggleControlsModal = () => { this.setState({ controlsModalOpen: !this.state.controlsModalOpen }); }; From e0eab18f5b09433648c08e31e49c71d74d54a571 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 2 Feb 2026 14:24:30 +0000 Subject: [PATCH 2/2] Bump jsdom from 27.4.0 to 28.0.0 Bumps [jsdom](https://github.com/jsdom/jsdom) from 27.4.0 to 28.0.0. - [Release notes](https://github.com/jsdom/jsdom/releases) - [Changelog](https://github.com/jsdom/jsdom/blob/main/Changelog.md) - [Commits](https://github.com/jsdom/jsdom/compare/27.4.0...28.0.0) --- updated-dependencies: - dependency-name: jsdom dependency-version: 28.0.0 dependency-type: direct:development update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] --- package-lock.json | 157 ++++++++++++++++++++-------------------------- package.json | 2 +- 2 files changed, 70 insertions(+), 89 deletions(-) diff --git a/package-lock.json b/package-lock.json index 8267438..fb86cb3 100644 --- a/package-lock.json +++ b/package-lock.json @@ -26,16 +26,16 @@ "@testing-library/jest-dom": "^6.9.1", "@testing-library/react": "^16.3.1", "@vitejs/plugin-react": "^5.1.2", - "jsdom": "^27.4.0", + "jsdom": "^28.0.0", "prettier": "^3.6.2", "vite": "^7.3.0", "vitest": "^4.0.16" } }, "node_modules/@acemir/cssom": { - "version": "0.9.30", - "resolved": "https://registry.npmjs.org/@acemir/cssom/-/cssom-0.9.30.tgz", - "integrity": "sha512-9CnlMCI0LmCIq0olalQqdWrJHPzm0/tw3gzOA9zJSgvFX7Xau3D24mAGa4BtwxwY69nsuJW6kQqqCzf/mEcQgg==", + "version": "0.9.31", + "resolved": "https://registry.npmjs.org/@acemir/cssom/-/cssom-0.9.31.tgz", + "integrity": "sha512-ZnR3GSaH+/vJ0YlHau21FjfLYjMpYVIzTD8M8vIEQvIGxeOXyXdzCI140rrCY862p/C/BbzWsjc1dgnM9mkoTA==", "dev": true, "license": "MIT" }, @@ -61,9 +61,9 @@ } }, "node_modules/@asamuzakjp/css-color/node_modules/lru-cache": { - 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"utf-8-validate": ">=5.0.2" - }, - "peerDependenciesMeta": { - "bufferutil": { - "optional": true - }, - "utf-8-validate": { - "optional": true - } - } - }, "node_modules/xml-name-validator": { "version": "5.0.0", "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-5.0.0.tgz", diff --git a/package.json b/package.json index a9d0049..623916a 100644 --- a/package.json +++ b/package.json @@ -27,7 +27,7 @@ "@testing-library/jest-dom": "^6.9.1", "@testing-library/react": "^16.3.1", "@vitejs/plugin-react": "^5.1.2", - "jsdom": "^27.4.0", + "jsdom": "^28.0.0", "prettier": "^3.6.2", "vite": "^7.3.0", "vitest": "^4.0.16"