Peter Wendrich has released a new core for the C-One. In this version: Reading from SID chip implemented. Fixed decimal mode of ARR instruction. System now runs at 0.9850Mhz for PAL and 1.026Mhz for NTSC. Most floppy turbo loaders can now operate. VGA frame refresh rate now correct at 50Hz and 60Hz. Cartridge port stability improved. You can download the new core from Peter's web page.