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SquirrelJME, Java Flip Phone Emulation

Talkat FOSDEM 2022 · on Sunday, 2022-02-06· at 14:30· D.emulator· [java, embedded-and-hardware]

SquirrelJME is a clean-room reimplementation of a Java Virtual Machine that targets J2ME/Java ME runtimes used on legacy flip phones. The talk covers technical challenges of implementing a JVM for those devices, how that environment differs from conventional CPU-targeted VMs, and the need for a stable, unchanging runtime to preserve and run older mobile bytecode.

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