🖥️ Ghostty WASM - Screen Buffer Demo

0, 0

Cursor Position

80x24

Buffer Size

Scrollback Lines

📝 Text Input

Enter text to write:

Test Wide Characters

Cursor Control

X Position: Y Position:

Scrolling

Scroll Regions

Top (0-23): Bottom (0-23):

Modes

Operations

🖥️ Terminal Display

Mode Status:

AutoWrap: ON | Insert: OFF | Origin: OFF

📋 Test Scenarios

What to test:
1. Write text and see cursor advance
2. Test wrapping at right edge
3. Verify wide characters (CJK/emoji) take 2 cells
4. Scroll regions work (vim status bar simulation)
5. Modes affect behavior (autowrap, insert, origin)
6. Scrollback accumulates when screen fills