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- Mindscape protection tool: source and project files shared on GitHub
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- CBM Flux Studio: Manipulating Zaxxon so it passes the copy protection check on weak bits
- Tool to replicate Mindscape weak bits protection
- Mindscape weak bits protection reverse engineered
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Tag Archives: V-MAX!
V-MAX! track 20 decoder draft for CBM Flux Studio
This evening I had enough time to draft the decoder for V-MAX! track 20, which contains the main loader. For Arkanoid, the decoded loader is $7c0 bytes in size. It has an interesting sync sequence and acknowledging user data gives … Continue reading
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged Commodore 64, disk protections, disks, dumping, magnetic flux, NIB, nibbling, preservation, V-MAX!
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CBM Flux Studio 2: fixing block syncs in legacy V-MAX! NIB files
In this video I show how it’s possible to extend block syncs for all instances of block 0 in V-MAX! version 3 disks, thus ending up with a working G64. Stay tuned for more!
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged Commodore 64, disk protections, disks, dumping, magnetic flux, NIB, nibbling, preservation, V-MAX!
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CBM Flux Studio 2: block syncs in legacy NIB files
In this video I share my observations around block syncs in legacy NIB files: As mentioned in the video, the tooltip created when the mouse pointer hovers on track data now also reports on the size of the group of … Continue reading
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged Commodore 64, disk protections, disks, dumping, magnetic flux, NIB, nibbling, preservation, V-MAX!
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CBM Flux Studio 2: support for V-MAX! version 3
This morning I added some support for V-MAX! version 3 in CBM Flux Studio. Here’s a video in which I share a few observations I made while inspecting disk images for After Burner: a G64 created by KryoFlux/DTC and a … Continue reading
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged Commodore 64, disk protections, disks, dumping, magnetic flux, NIB, nibbling, preservation, V-MAX!
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V-MAX! sector ID decoder added to CBM Flux Studio
I have been having a look at custom V-MAX! sectors in NIB and G64 files recently. Today I added a sector ID decoder to CBM Flux Studio. The interesting thing that I was able to appreciate on the back of … Continue reading
Posted in Retrocomputing, Reverse Engineering, Technical
Tagged Commodore 64, disks, magnetic flux, NIB, nibbling, preservation, retrocomputing, reversing, V-MAX!
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Luigi Di Fraia's e-Footsteps 