| Feature | Y/N | Issue | Workaround |
| VIC-II on VGA | Y | Artifacts in some demos. More testing and debugging is needed. | - |
| COP (Chameleon Object Processor) | N | COP is disabled pending a redesign. A minimal version is included to allow VIC-II display on VGA. | - |
| (Stereo) SID | ½ | Emulated SID has no filters | Listen to SID in C64 machine. |
| Envelope generator has wrong release curve | none |
| MMU | Y | - | - |
| Turbo 6510 | Y | - | - |
| Menu mode | Y | - | - |
| PS/2 keyboard | Y | BAT (basic assurance test) command from keyboard not recognised | Plug in keyboard before turning power on. |
| PS/2 mouse (1351 emulation) | Y | - | - |
| IR receiver (CDTV) | Y | - | - |
| 1541 drive emulation | Y | - | - |
| Clock port | Y | Doesn't work in standalone mode | Plug cartridge in C64 to use the clock port |
| MMC64 | Y | - | - |
| REU | ½ | Some programs crash when accessing REU | none |
| GeoRAM | Y | - | - |
| 8K/16K cartridge | Y | - | - |
| RetroReplay emulation | Y | - | - |
| KCS Power Cartridge emulation | Y | - | - |
| Final Cartridge 3 emulation | Y | - | - |
| Simons Basic cartridge emulation | Y | - | - |
| Expert Cartridge emulation | Y | - | - |