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The Small Device C Compiler (SDCC), targeting 8-bit architectures
SDCC is a retargettable, optimizing standard C (ANSI C89 / ISO C90, ISO C99, ISO C11 / C17, ISO C23, ISO C2y) compiler that targets a growing list of architectures: STM8, MCS-51, DS390, HC08, S08, 6502, 65C02, Z80, Z80N, Z180, Rabbit, SM83, TLCS-90, eZ80, R800, Padauk PDK14 and PDK15 microprocessors. There also is incomplete support for the Microchip PIC16 and PIC18 and the Padauk PDK13.
The AVR-Ada project provides the gcc based Ada compiler GNAT for the AVR 8-bit microcontrollers. This includes:
- the Ada compiler
- the Ada run time system and the AVR support library
- documentation and some sample programs.
The project is now superseded by the Alire crates
- [AVRAda_RTS](https://github.com/RREE/AVRAda_RTS)
- [AVRAda_MCU](https://github.com/RREE/AVRAda_MCU)
- [AVRAda_Lib](https://github.com/RREE/AVRAda_Lib)
- [AVRAda_Examples](https://github.com/RREE/AVRAda_Examples)
Start with the examples (alr get avrada_examples) and Alire will install everything else.