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Blog

Posts about pure-assembly firmware, the RP2350, and the ticktrace SDK.

Why I wrote an entire RP2350 SDK in pure ARM assembly
HKeni · May 26, 2026
ticktrace is a pure-assembly firmware SDK for the Raspberry Pi RP2350. The default blinky is 1192 bytes. The toolchain you install to build it is 5.6 MB. Here is why.