Bring the classic IBM AS/400 / iSeries 5250 terminal to VS Code: a black-and-phosphor-green color theme plus a fully configurable crosshair cursor that mimics the real 5250 display cursor.

Features
- 🟢 AS/400 Green Screen (5250) color theme — black background, phosphor-green foreground, green-tinted UI (editor, sidebar, tabs, terminal, status bar).
- ✚ Crosshair cursor — a cross that follows your caret like a real 5250 terminal.
- ⚙️ Highly configurable — color, width, opacity, line style (solid/dotted/dashed), and three display modes:
full— lines extend across the whole viewportlocal— a small cross around the current characterhybrid— local cross plus faint guide lines
- 🔠 Multi-cursor support and an optional CRT-style blink effect.
Usage
- Apply the theme:
Ctrl/Cmd+K Ctrl/Cmd+T→ AS/400 Green Screen (5250). - Toggle the crosshair:
Cmd+Alt+X(macOS) /Ctrl+Alt+X(Windows/Linux), or run AS400 Cursor: Toggle Crosshair from the Command Palette.
Commands
| Command | Description |
|---|---|
AS400 Cursor: Toggle Crosshair |
Turn the crosshair on/off |
AS400 Cursor: Enable |
Enable the crosshair |
AS400 Cursor: Disable |
Disable the crosshair |
AS400 Cursor: Cycle Display Mode |
Cycle Full → Local → Hybrid |
Settings
All options live under as400Cursor.* (color, lineWidth, opacity, mode, lineStyle, verticalExtent, horizontalExtent, fullAS400Mode, blinkEffect, multiCursorSupport, guideOpacity). See the Settings UI → search "AS/400".
License
MIT