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Hello UART (serial)

An original public-domain (CC0) program, compiled from freestanding C to a flat ESP32-H2 RV32IMAC image. It brings up UART0 (0x60000000), prints a banner, and streams tick 0, tick 1, ... forever (decimal printing uses the RV32M div/rem). On-board only: just UART0. Real RISC-V machine code, so every instruction single-steps in the debugger.

Download ↓ Original source ↗

Format: Raw ESP32-H2 flash image (RV32IMAC), base64  ·  By: emulators.org  ·  Licence: Public domain (CC0)