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In addition, JiffyDOS includes function key definitions that work along with the directory listing in order to eliminate the need to type lengthy filenames when loading, saving, or scratching files.Īll JiffyDOS operations retain the built-in DOS error checking and correction routines to protect data integrity at higher operating speeds.Ĭommodore Upgrades These included the ability to load and run the first program on disk and to pause, inspect and restart BASIC of JiffyDOS listings. JiffyDOS provides a complement of features that enable directory listing without disturbing memory. These include functions such as disabling the head rattle (bump) on 1541s when locking and unlocking files, listing files directly from disk, undoing the NEW command in BASIC and dumping the screen to a printer.Ĭonvenience Features JiffyDOS includes a number of special commands which use the DOS Wedge syntax. The JiffyDOS version of the DOS Wedge also includes a series of enhancements that are intended to make it easier to use the commands within BASIC programs. The DOS Wedge is designed to provide simpler commands that should eliminate the need to type complicated instructions required to perform common disk operations (such as scratching files and formatting disks). JiffyDOS includes a complete, built-in implementation of the DOS Wedge command set. This improves compatibility with all hardware devices, and is claimed to give JiffyDOS an advantage over cartridge speedups and other hardware fast loader upgrades which require extra cabling that plugs into one of the computer’s ports.ĭOS Wedge Commands There is no additional cabling requirement between the computer and disk drive(s), and does not tie up the Expansion Port, User Port or Cassette port. In 2012 Retro Innovations released JiffyDOS for the VIC 20. It was created by Mark Fellows in 1985 and as of 1989 it is at version 6.01. Being ROM-based, JiffyDOS is able to provide performance without the compatibility problems of cartridges and other speed-enhancement systems. JiffyDOS is intended to provide greater speed, commands and convenience than on stock systems.
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#Convert bin files to d64 software#
The software is programmed onto ROM chips that replace the Kernal ROM chip on the motherboard and the DOS ROM chip in the disk drive. JiffyDOS is an enhanced DOS for the C64, SX-64, and C128 computers. Other JiffyDOS drive ROMs available for 3rd party drives.
#Convert bin files to d64 license#
Still in production by RETRO Innovations under license from Mark Fellows.