Jiffydos-c64.bin May 2026

: On a standard 1541 drive, loading speeds increase by up to 10 times . For newer devices like the SD2IEC or 1581, speeds can reach up to 20 times the original rate.

: Unlike many cartridge-based "fast loaders" that only speed up program (.PRG) files, JiffyDOS accelerates the loading and saving of Sequential (SEQ), Relative (REL), and User (USR) files. Key Features and Commands jiffydos-c64.bin

The system includes a built-in "DOS Wedge" that provides shorthand commands for common tasks. : On a standard 1541 drive, loading speeds