1509c Firmware — Sunplus

The last thing the Sunplus 1509c’s firmware “saw” was the NOP (no operation) at the end of its main loop. A command that meant do nothing . And then, it did exactly that—forever.

On track 12, the 1509c’s firmware hit an in the decoder. sunplus 1509c firmware

Months later, Leo bought a smartphone. The little media player went into a drawer. The battery drained to 0V. The 1509c fell into —a state where voltage was too low for reliable operation but too high for full reset. The last thing the Sunplus 1509c’s firmware “saw”