As announced this afternoon at World of Commodore 2012, RETRO Innovations has acquired the rights to offer Click Here Software’s port of JiffyDOS for the Commodore VIC-20, C16, and +4 machines, thus completing the set of JiffyDOS KERNAL replacement offerings. Within the next few days, the KERNAL replacements and image files will be available in … Continue reading JiffyDOS for VIC-20 and C16/+4 Now Available!
The following JiffyDOS images have been added to the online store: C128D (C128 KERNAL, C64 KERNAL, and 1571D DOS) 1541 DOS 1541-II DOS Soon to be added: 1571 DOS 1581 DOS
After many months of preparation, JiffyDOS production ROM overlays are finally ready for distribution. The system utilizes the ROM-el FLASH-based ROM emulator, allowing the units to be fully assembled before programming. Units should be available shortly for sale in the online store. Click on the picture for a larger view.
Description JiffyDOS is a Disk Operating System (DOS) enhancement which gives your C-64 or C-128 the disk access speed it has always needed. A chip-for-chip replacement for the Kernal ROM in your computer and the DOS ROM in your disk drive(s), JiffyDOS achieves levels of performance and compatibility unmatched by other disk speed-enhancement products. Outstanding … Continue reading JiffyDOS
As announced at the C4 EXPO, I am working with Mark Fellows (Highland IT Solutions) to finalize a licensing agreement for ‘JiffyDOS’ ROM Overlay manufacture and distribution. In addition to hardware ROM enhancement units, I will also offer image downloads for 1541 Ultimate, C64DTV, and emulator users, as well as an amnesty offering for unlicensed … Continue reading JiffyDOS Licensing
I just returned from a 2102 mile roundtrip excursion to the Vintage Computer Festival – East 9.1 at InfoAge in Wall Township, NJ. Having been prevented from holding the show in 2013, the VCF-E organizers went all out for the 2014 show, supporting 2 exhibit halls and a separate speaker presentation tent. I camped out … Continue reading Back from the Vintage Computer Festival – East 9.1!
In late 2010, a group of folks suggested the need for a KERNAL replacement cartridge. This cartridge would allow those with socketed KERNAL ROMs to enjoy KERNAL upgrades like JiffyDOS and would also help KERNAL developers try out new ideas before committing them to EPROM. Due to the complexity of “replacing” a ROM inside a … Continue reading EasyFlash 3 Introduction
As usual, ECCC 2011 was both hectic and fun. It’s been a few days since the show, as it took a while to travel home and recover. RETRO Innovations arrived Friday evening in time to unload equipment into the show hall and select a couple choice tables near power and good traffic areas. However, almost … Continue reading ECCC 2011 Recap
Designing “piggyback” PCBs can prove challenging at times. For example, extending a piggyback PCB outside of the original ICs footprint must contend with physical obstructions (connectors beside the IC, passives like capacitors or resistors sticking out of the original PCB, etc.). Luckily, it’s often easy to print out a 1:1 version of the design on … Continue reading How Low Can You Go?
Ingo Korb has released a minor update to sd2iec (used in uIEC, among other solutions). Users are encouraged to update to this release. Fixes/Features include: U1/2, B-R/W commands now work without a trailing CR character (reported by Draco) UI now always reports the dos version no matter what characters are following unless it’s a + … Continue reading sd2iec 0.10.1 Released