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Tag Archives: IECHost
IECHost GUI client updates
While I was checking the recently integrated directory listing preview in CBM Flux Studio, I noticed that a few characters were not displaying properly. After checking things in CCS64, I came to the conclusion that I was not using an … Continue reading
Posted in Retrocomputing, Technical
Tagged Commodore 64, disks, dumping, IECHost, preservation, software
1 Comment
IECHost Tools updates
A few days back I was working at a few updates to the IECHost NIB Tools, as requested by Mads from The Transfer Team. Let’s have a look at the changelog: The directory listing decoding I added in version 1.4 is quite … Continue reading
Posted in Retrocomputing, Technical
Tagged commodore, IECHost, magnetic flux, NIB, nibbling, preservation, retrocomputing, software
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Fat tracks on Commodore disks: myth or truth? Investigating the case of Maniac Mansion
Maniac Mansion, the 1987 version, is protected against copies using what is often referred to as a “fat track”: data perfectly identical and aligned across multiple tracks and half tracks. As Pete Rittwage’s website suggests, Maniac Mansion uses a fat … Continue reading
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation
1 Comment
Another donation from Ruben: a custom IECHost enclosure!
I can’t overstate how much effort Ruben has put into helping me to get the IECHost project to the next level, i.e. nibbling protected disks with a 1571: donations, testing, motivation, and now even a cool acrylic enclosure for my … Continue reading
Posted in Retrocomputing, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation
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Flux Studio: an evolution of my recent work on NIB Display
I decided that due to the circular nature of track data in G64 files, these are most suited to be drawn on a circle. I also figured out that, in order to be able to resolve flux reversals in a … Continue reading
Posted in Retrocomputing, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation
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NIB viewer: circular display
After work today I was putting together the components that I will need to display nibbled data on a circular surface. I have all bits drafted so I thought to just generate a preview image for the NIB file I … Continue reading
Posted in Retrocomputing, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation, Vorpal
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NIB viewer: track alignment option
As I prepare to add horizontal scrolling for my NIB viewer tool, I thought it would be useful to have an option to align tracks for visual comparison. At the moment the operation is rather simplistic and doesn’t take into … Continue reading
Posted in Retrocomputing, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation, Vorpal
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NIB file viewer in progress
Looking at NIB files for custom formats in a hex editor can be a little bit alienating at times. Therefore I decided to code a viewer that should make it simpler to recognize custom formats. Here’s a screenshot of what … Continue reading
Posted in Retrocomputing, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation, Vorpal
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More on Vorpal
I got a few G64 files from SLC today, including the ones for Summer Games II, which uses the same version of Vorpal used in Boulder Dash Construction Kit. There are slight differences in where the drive code is laid … Continue reading
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation, Vorpal
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Examining disk protections: Vorpal
Ruben had offered to help with nibbling protected Commodore disks, so today he sent me a NIB file that he saved using my nibbling software for IECHost and his Commodore 1571 disk drive. The protected game he nibbled is “Boulder … Continue reading
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged 1571, Commodore 64, disk protections, IECHost, nibbling, preservation, Vorpal
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Luigi Di Fraia's e-Footsteps 