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The Ant64

It's not a PC, it's a proper computer!.

A modern computer inspired by the golden age of hardware creativity.

Ant64 is a brand-new computer designed from the ground up for games, music, demos, and creative computing — inspired by classic systems like the Amiga, Atari, arcade boards, and early workstations, but built with modern silicon.

It combines a powerful RISC-V CPU, a large FPGA-based custom chipset, and multiple dedicated microcontrollers — each doing what it does best.

This is not an emulator box.
This is a real machine with real hardware personality.

Core Philosophy

  • Hardware-accelerated graphics and audio
  • Deterministic, low-latency behaviour
  • Immediate, tactile interaction
  • No GPU drivers, no shader compilers, no OS overhead
  • Built to last, repair, and recover
  • If the Amiga, Atari, and arcade engineers were designing a system today — this is what they’d build.

The Ant64 Architecture (at a Glance)

SG2000 - Main CPU

  • High-performance RISC-V processor
  • Runs the operating system, games, tools, simulates other processors
  • Cached DDR3 system memory
  • Treats the custom chipset as a memory-mapped device
  • Fast internal SD storage (like a built-in hard drive)

Razz - The heart and soul of Ant64.

Razz is a large FPGA acting as a modern custom chipset — handling graphics, audio, DMA, and timing-critical operations entirely in hardware.

Graphics highlights:

  • Up to 16 hardware layers
  • Tilemaps, sprites, vectors, text, command lists
  • Hardware scaling, rotation, perspective
  • Per-layer pixel formats (3-bit, 6-bit, 9-bit palette, 12-bit, 18-bit)
  • Copper-style display lists for raster effects
  • Z-buffered layering (optional per layer)
  • Hardware blitter for fast memory moves and clears
  • Special effects for classic and modern 2D games

Audio highlights:

  • Hardware-mixed multi-voice audio
  • Sample playback from DDR3 or flash
  • Live synthesis and DSP-style effects
  • Pitch-shifting without time-stretch
  • Designed for tracker, synth, and game audio workflows

Razz is fast, predictable, and always under your control.

Input, Control & Music

Jazz (RP2350) – Music & Input Controller

  • MIDI (IN / OUT/ THRU + USB)
  • Mouse support
  • Six analogue control dials
  • Dedicated round TFT display
  • Aggregates human input with ultra-low latency
  • Appears as a device to the main CPU

Perfect for music, games, and creative tools.

Sticky (AVR) – Safe 5V I/O

  • Handles classic controllers safely:
    • Atari / C64
    • Sega pads
    • Paddles and analogue controls
  • Electrically isolates the FPGA and main CPU
  • Cheap, replaceable, and robust

Your vintage controllers are safe — and so is the system.

DeMon – The Supervisor Brain

DeMon is the silent guardian of Ant64.

  • Owns the keyboard and touch screen
  • Can reprogram:
    • Razz (FPGA)
    • SG2000
    • Jazz
    • Sticky
  • Can recover a completely broken system
  • Network-enabled via ESP32-C5
  • Cartridge port for recovery, expansion, and personalities
  • JTAG access to both FPGA and CPU
  • NFC reader for instant system switching

If anything goes wrong — Ant64 can heal itself.

Personality Cartridges

Ant64 supports plug-in cartridges that can:

  • Load a new FPGA “chipset”
  • Install a different OS
  • Simulate a classic computer or console
  • Provide game or ROM libraries
  • Reconfigure the system at boot
  • JTAG access to both FPGA and CPU
  • NFC reader for instant system switching

One machine.
Many personalities.

Display and Output

  • HDMI output (up to 1080p, HDR-capable)
  • VGA output with classic timing support
  • Line-doubled / tripled rendering for pixel-perfect scaling
  • Raster effects, split screens, and layer reveals
  • Optional per-layer Z-buffer ignore for classic ordering tricks

rom CRT-style visuals to modern flat panels — Ant64 does both.

Built for Creators

  • Ideal for:
    • Games
    • Demos
    • Music
    • Retro development
    • Hardware-accelerated tools
  • Immediate response
  • No driver hell
  • No GPU black boxes
  • Everything is inspectable and controllable

You don’t fight the machine.
You collaborate with it.

Why Ant64 Is Different

Ant64 Modern PCs
Modern 64-bit RISC-V x86/x64
Custom FPGA-based chipset Fixed-function GPU and drivers
Deterministic, predictable timing Variable latency and scheduling
Memory-mapped hardware devices Abstracted driver stacks
Hardware layers, blitter, and audio mixing Software pipelines and shaders
Designed for instant input response Input lag hidden behind OS layers
Recoverable and reprogrammable system Reinstall when things break
Built to be explored and understood Built to be opaque and managed

Ant64 gives creators direct access to hardware again. No driver hell. No black boxes. Not an appliance.

More details...

Important: The Ant64 family of home computers are at early design/prototype stage, everything you see here is subject to change.