Pixter Runs PalmOS; 65XX Docs Reveal Opcodes
Summary
This cluster showcases deep reverse engineering success in resurrecting obsolete systems and enhancing niche consumption tools.
- PalmOS Emulation Achieved by porting the OS onto the low-resource FisherPrice Pixter toy hardware 3.
- Undocumented Opcodes Found within the 65XX Series CPU documentation, detailing instructions beyond the standard set 2.
- RSS Reimagined through a Firefox extension that redesigns feed consumption beyond simple chronological lists 1.
- Low-Level Porting Challenges highlight the difficulty of adapting complex OS environments to constrained embedded systems 3.
- 1 - The number of operating systems ported to the FisherPrice Pixter device 3.
- 65XX - The series number for the CPU whose documentation revealed extra instructions 2.
- XYZ - The number of extra opcodes found in the 65XX documentation (placeholder as source does not quantify) 2.
Key Moments
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The goal was to see if PalmOS could be made to run on the very limited hardware of the FisherPrice Pixter device.
— Article [3] -
We found extra opcodes beyond the standard set documented for the 65XX family.
— Article [2] -
Making RSS more fun requires rethinking the presentation layer beyond simple chronological lists for better user engagement.
— Article [1]
Different Perspectives
Opposing View
PalmOS ported to Pixter; 65XX CPU docs expose undocumented opcodes.
Sources: