Commodore 64 /

Hoxs64 Active

A cycle-exact Commodore 64 emulator for Windows with a strong focus on demo compatibility and a graphical debugger.

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Facts

Runs on
Windows
Native: x86-64, x86 (32-bit)
License
Open source (GPL-3.0-or-later)
Accuracy
Cycle-exact
System ROMs
Original ROMs included
Mobile
None (no official phone or tablet version)
Opens
.d64 .g64 .p64 .tap .prg .p00 .t64 .crt
Written in
C++
First release
2001
Authors
David Horrocks
Last checked
Oct 2026

C64 features

  • HasTrue drive emulation
  • HasPAL machines
  • Does not haveNTSC machines
  • Does not have6581 and 8580 SID
  • HasTwo or more SIDs
  • Does not haveOutput to a real SID chip
  • Does not have1571 and 1581 drives
  • HasREU
  • HasFreezer cartridges
  • HasEasyFlash
  • Does not haveReal cassette recordings
  • Does not haveTape restoration
  • HasSID music player
  • Does not haveAssembly64 catalog

Has it Doesn't have it Not known yet

Features

  • HasSave states
  • Not listed:Rewind
  • HasFast-forward
  • Not listed:Run-ahead
  • Not listed:Online multiplayer
  • Not listed:CRT shaders
  • Not listed:A/V recording
  • Not listed:Cheats
  • Not listed:Achievements
  • Not listed:Themes

Video

  • Not listed:Integer scaling
  • HasVariable refresh rate
  • HasHigh refresh rate
  • Not listed:Higher internal resolution
  • Not listed:HDR
  • Not listed:Black frame insertion
  • Not listed:Widescreen hacks

Input

  • HasGamepad
  • Not listed:Touch controls
  • Not listed:Light gun
  • Not listed:Mouse
  • Not listed:Positional key mapping
  • Not listed:Symbolic key mapping
  • Not listed:On-screen keyboard
  • Not listed:Native keyboard

For developers

  • HasDebugger
  • Not listed:Memory viewer
  • Not listed:Disassembler
  • Not listed:Profiler
  • Not listed:Trace logger
  • Not listed:Scripting
  • Not listed:Command line

Emulated hardware

  • Not listed:Hard disk
  • Not listed:MIDI
  • Not listed:Printer
  • Not listed:Networking
  • Not listed:Modem
  • HasRAM expansion
  • Not listed:Accelerator cards

Features not listed may still exist. Edit this entry if something is missing or wrong.