ToolBB-0211

C64U Antigravity Bridge: an agent writes and runs code on real Commodore 64 hardware

C64U Antigravity Bridge connects Google Antigravity and other coding agents to a Commodore 64 Ultimate or Ultimate 64 through the machine's REST and DMA interface. The agent writes 6502 assembly or Python, which the bridge compiles and pushes into RAM, then reads back screen memory, color RAM and registers. The README shows no photos or captures of a run.

Open original source github.com · asteng88

Claimed
Why this evidence label?

README describes the loop and examples on physical C64U hardware; no photos or captures of a run.

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Briefing

The bridge talks to the agent over MCP on stdio. It assembles code with KickAssembler, ACME or cc65 and writes the PRG into RAM by DMA through the C64U REST API. Read-back covers screen RAM at $0400 to $07E7, color RAM, zero page and the VIC-II and SID registers, and the agent can also poke memory and inject keystrokes. A Python-to-6502 transpiler handles loops, arithmetic and intrinsics such as border_color and wait_raster.

The repo also carries SID playback and a SID decompiler, a sprite editor, .tap mastering and a terminal IDE. The README describes the target as a MOS 6510 CPU or the Ultimate's FPGA core; the Commodore 64 Ultimate and the Ultimate 64 are both FPGA machines.

From the GitHub API

Repository facts

Repository facts for asteng88/c64u-antigravity-bridge, from the GitHub API
Repositoryasteng88/c64u-antigravity-bridge
Stars4
LicenseMIT Permissive
LanguagePython
Last push4 Oct 2026 25 d ago

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Interface

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