What you get
Linux-style shell
Familiar commands, scrollable terminal buffer, command history, and keyboard shortcuts — on a C64.
AI assistance
Type i: followed by any question and get an answer from a cloud AI that knows the C64 and HDN Shell. It can even read your screen and type commands for you.
Filesystem & DOS
Navigate disk drives and directories, copy, move, rename, and delete files. Includes a full-screen file manager.
ML monitor (SMON)
Integrated machine language monitor with assembler, disassembler, memory inspector, and single-step debugger.
Text-mode web browser
Server-side Chromium renders pages (including JavaScript), then streams PETSCII output to the C64. Supports tabs, bookmarks, and history.
File editor
A full-featured text editor running on the server, streamed to the C64. Tabs, find & replace, split-pane, and an embedded shell console.
AI coding agent
Describe what you want to build. The agent writes C code, compiles it with oscar64, and uploads the .prg to your C64U — automatically.
Telegram client
Full Telegram client over MTProto — browse chats, read and send messages, manage contacts — from the C64 keyboard.
RSS reader
Hacker News, BBC, CSDB Releases and any feed you add, displayed in a clean 40-column layout.
Wikipedia browser
Multi-language Wikipedia reader stripped down for 40×25 PETSCII. Link navigation, page history, and a table-of-contents overlay.
PySIC programming
A Python-inspired language that compiles to 6502 machine code — a modern alternative to C64 BASIC programming.
Cloud integration
Server apps stream their full 40×25 screen to the C64 via DMA. Switch between consoles instantly with C= + number.
