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An open-source emulator for the Voyager 1 Flight Data Subsystem, recreating the 806.4 kHz computer with 8K memory, and includes scanned original JPL documentation.
SpaceWASM is an open-source WebAssembly interpreter from NASA/JPL designed for on-board spacecraft sequencing, with a focus on deterministic memory usage and streaming capabilities for resource-constrained environments.
Article explains how JPL engineers keep the Curiosity rover operating on Mars after 13 years through clever software updates and ongoing maintenance, despite harsh conditions and aging hardware.