rVNCd – Amiga VNC Server

rVNCd is a native VNC server for AmigaOS 4, with ongoing work to support AmigaOS 3 and multiple graphics systems.

The goal of rVNCd is to provide a fast, flexible, and Amiga-friendly VNC implementation with minimal overhead and good compatibility with existing VNC clients.

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Supported VNC Protocols

• VNC protocol v3.3
• VNC protocol v3.7

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Authentication

• None

  • No authentication required

• d3des

  • Weak 8-byte DES-based password (VNC compatible)
  • It is recommended to use the built-in IP white/black list for security

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Supported Encodings

• Raw

  • Uncompressed raw pixel data

• ZLIB

  • Raw data compressed using zlib

• RRE (added in v1.42)

  • Efficient for areas with large regions of the same color
    (e.g. Shell windows, solid Workbench backdrops)

• LastRect (added in v1.42)

  • Used to properly terminate framebuffer updates when supported by the client

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Cursor Support

• RichCursor
  • Cursor image is sent to the client
  • Client handles cursor drawing
  • Custom cursor image up to 64×64 pixels supported

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Graphics Support

• Full TrueColor support
• No support for CLUT / pen-based screen modes

The server supports:

• Full screen updates
• Partial updates (only changed areas)

Tile comparison and update logic has been optimized to reduce bandwidth usage.

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Clipboard Support

• Clipboard text transfer both directions
• Uses an Amiga clipboard hook
• Detects Amiga + C automatically

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Mouse Support

• Left, Middle, Right mouse buttons
• Scroll wheel support

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Keyboard Handling

• Keyboard input supported
• Detects Cold and IceCold reboot key sequences

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Audio / Beep Support

• Bell / Beep forwarding (added in v1.42)
• Intuition’s DisplayBeep() is patched so beeps are sent to the VNC client

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GUI, ARexx and Commodity

• Simple GUI for controlling the server
• ARexx interface
• Commodity support for easy access and control

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