diff --git a/coco-ui/index.html b/coco-ui/index.html
index 9d90628..677479a 100644
--- a/coco-ui/index.html
+++ b/coco-ui/index.html
@@ -16,6 +16,7 @@
👻-8
diff --git a/coco-ui/index.js b/coco-ui/index.js
index 011d6d8..46c9320 100644
--- a/coco-ui/index.js
+++ b/coco-ui/index.js
@@ -37,7 +37,7 @@ async function main() {
const _ = await initWasm("./vendor/coco_ui_bg.wasm");
const romSelector = document.querySelector("#coco-rom-selector");
- const defaultRom = "deo_system_debug.rom";
+ const defaultRom = "put_pixel.rom";
await setupRomSelector(romSelector, defaultRom);
const rom = await fetchRom(`/roms/${defaultRom}`);
diff --git a/coco-ui/roms/put_pixel.rom b/coco-ui/roms/put_pixel.rom
new file mode 100644
index 0000000..be32c9a
Binary files /dev/null and b/coco-ui/roms/put_pixel.rom differ
diff --git a/coco-ui/src/lib.rs b/coco-ui/src/lib.rs
index 99d4a74..7d3a2e2 100644
--- a/coco-ui/src/lib.rs
+++ b/coco-ui/src/lib.rs
@@ -57,6 +57,8 @@ pub fn run_rom(rom: &[u8]) -> Result