Full Reverse Engineering of the TI-84 Plus Operating System
Hacker News (AI keywords)6 days agoHardwareThis Hacker News item links to an article titled “Full Reverse Engineering of the TI-84 Plus Operating System.” Based on the provided material, the reliable takeaway is that it concerns reverse engineering the OS of Texas Instruments’ TI-84 Plus graphing calculator. The original text was not provided, so specific claims about methods, findings, code, memory layout, or security implications cannot be verified here.
The Quiet Numbers Station: Decoding Nineteen Years of GPS Cryptography
Hacker News (AI keywords)9 days agoPaperPublished on UCL's Bentham's Gaze blog, this research analyzes GPS cryptographic signals over a 19-year span, likening the satellites to 'quiet numbers stations.' The authors explore the evolution of GPS encryption (such as military P(Y) code and civilian authentication), evaluating their cryptographic strength and potential vulnerabilities using modern computational analysis.
Show HN: Reverse-engineered world maps of Test Drive III
Hacker News (AI keywords)14 days agoReleaseThis GitHub project reconstructs the world maps of Test Drive III: The Passion, a 1990 DOS racing game by Accolade. The author says the work has been ongoing for five years and is now close to success with AI assistance. The repo includes a browser viewer, OBJ exports, image and sprite extraction tools, and file-format documentation for preservation and reverse engineering.