Ultimate 64 Elite II / C64 Ultimate target environment: unmodified firmware, UCI, turbo modes up to 64 MHz, REU, Ultimate Audio, TRX64 as C64. Firmware validation and Made for Ultimate software development; includes an MCP server.
A pre-emptive multitasking OS for C64 (Requires REU, should work with C64 Ultimate), currently still 'work in progress'
A repository setup with AI agent skills and other context relevant to developing with Prog8. The setup.py pulls content from the official Prog8 compiler repository (https://github.com/irmen/prog8) for agent context.
CLI, MCP server, and WASM library for the Ultimate 64 — control it over its REST API: read/write/disassemble memory, assemble & run 6502, run .prg/.crt/.bin/.t64, and machine control.
A DOS-style TUI that mirrors a Commodore 64 Ultimate's screen live and remote-controls it — in your terminal or a browser, from one codebase. Built on u64ctl + foxpro-go.
MDBASIC is an extension to the Commodore 64 BASIC interpreter. This fork Includes extra utilities on the cartridge image (see Releases).
Signed Arithmetic, No Errors
Commodore 128 port of 8086tiny: a PC emulator/virtual machine
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