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Small Device C Compiler
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<h2 id="supported-hosts">Supported hosts</h2> <p>Sources, documentation, and binaries are available for Linux (32-bit and 64-bit), macOS (PPC and 64-bit), and Windows (32-bit and 64-bit). </p> <h2 id="supported-targets">Supported targets</h2> <p>The following include binary compatible derivatives: </p> <ul><li><a href="/facts/Intel/SMF0gJJX">Intel</a> 8031, 8032, <a href="/facts/Intel_MCS-51/2bqJXGlv">8051</a>, 8052; <a href="/facts/Maxim_Integrated/0IgVgu8k">Maxim</a>/Dallas DS80C390; <a href="/facts/C8051/pUmxeRYU">C8051</a></li> <li><a href="/facts/Motorola/ztqczx68">Motorola</a>/<a href="/facts/Freescale_Semiconductor/mRjBBbeX">Freescale</a>/<a href="/facts/NXP_Semiconductors/naAqdtWq">NXP</a> <a href="/facts/Motorola_68HC08/RjKRQQG1">68HC08</a> and <a href="/facts/Freescale_S08/4Wl89HsD">S08</a></li> <li>Padauk PDK14 and PDK15<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a></li> <li><a href="/facts/Sharp_Corporation/IbmkAjKB">Sharp</a> SM83, the CPU found in the <a href="/facts/Game_Boy/GlyN6e2W">Nintendo Game Boy</a> LR35902 <a href="/facts/System_on_a_chip/1RVvVe6N">SoC</a></li> <li><a href="/facts/STMicroelectronics/4gbGJTVr">STMicroelectronics</a> <a href="/facts/STM8/n0YDQ3WF">STM8</a></li> <li><a href="/facts/Zilog/sB6jH5vw">Zilog</a> <a href="/facts/Z80/Jeqe2h55">Z80</a>, <a href="/facts/Z180/n0bCIxzT">Z180</a>, <a href="/facts/EZ80/MmNCCFKN">eZ80</a> in Z80 mode; <a href="/facts/Rabbit_Semiconductor/m1Bjaou5">Rabbit Semiconductor</a> <a href="/facts/Rabbit_2000/m5Nku7Sr">2000</a>, 2000A, 3000, 3000A, 4000, 6000; <a href="/facts/Toshiba/QHRaw8Tr">Toshiba</a> <a href="/facts/TLCS-90/pDKs1JCB">TLCS-90</a>; Z80N (<a href="/facts/ZX_Spectrum_Next/SEgycVvw">ZX Spectrum Next</a> processor), <a href="/facts/R800/v70fJ9cH">R800</a>.</li> <li><a href="/facts/MOS_Technology_6502/q9YLwkzm">MOS Technology 6502</a>, <a href="/facts/WDC_65C02/XyP1EdgY">WDC 65C02</a>.</li></ul> <p>Work in progress: </p> <ul><li><a href="/facts/Microchip_Technology/7jDrY5rx">Microchip</a> <a href="/facts/PIC16/NrRJCqHS">PIC16</a> and <a href="/facts/PIC18/NrRJCqHS">PIC18</a>.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a><a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a></li> <li>Padauk PDK13.</li></ul> <p>Obsolete: </p> <ul><li><a href="/facts/AVR_microcontrollers/JvfUk4ya">AVR microcontrollers</a> used to be a supported target, but was made obsolete by avr-gcc in 2010 (SDCC 3.0.0).</li></ul> <h2 id="see-also">See also</h2> <ul> <li>Free and open-source software portal</li></ul> <ul><li><a href="/facts/Z88DK/X6GPg05x">Z88DK</a> - C compiler for Z80-based systems</li> <li><a href="/facts/Cc65/JyGJ6Q7b">cc65</a> - C compiler for 6502/65C02 systems</li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://sdcc.sourceforge.net">SDCC homepage</a></li> <li><a href="https://web.archive.org/web/20090617011643/http://www.circuitcellar.com/SA/Articles2/Dutta-121.pdf">Sandeep Dutta - Anatomy of a Compiler. A Retargetable ANSI-C Compiler. "Circuit Cellar", issue 121, August 2000, page 35</a></li> <li><a href="http://sdccokr.dl9sec.de">SDCC Open Knowledge Resource</a></li> <li><a href="http://www.dl9sec.de/prj_sdccokr.html">SDCC Open Knowledge Resource</a></li> <li><a href="https://video.fosdem.org/2015/devroom-embedded/8bit_compiler.mp4">FOSDEM 2015 presentation on SDCC</a></li> <li><a href="https://archive.fosdem.org/2024/schedule/event/fosdem-2024-2479-the-small-device-c-compiler-sdcc-/">FOSDEM 2024 presentation on SDCC</a></li> <li><a href="http://www.freertos.org/portcygn.html">A port of FreeRTOS to 8051</a></li> <li><a href="http://www.8052.com/users/robotics/sdcc.phtml">Using SDCC on the AT89C52 (8051 derivative)</a></li> <li><a href="https://sites.google.com/site/rmaalmeida/mplabx-sdcc-toolchain">Using SDCC for PIC on Windows with MPLABX</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Rainer Leupers, Peter Marwedel: "Retargetable Compiler Technology for Embedded Systems: Tools and Applications", page 126. Springer, 2001 <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Porting Contiki Operating System to RIEST2430" by Juan Wang, Wei Ma, and Dan Liu, published in "Emerging Intelligent Computing Technology and Applications", 2012, p. 383: "Due to the 8051 MCU’s unique characteristics, there are only a handful of toolchains available. The most noteworthy open source solution is the Small Device C Compiler (SDCC)." <a href="https://books.google.com/books?id=OYa5BQAAQBAJ" target="_blank">https://books.google.com/books?id=OYa5BQAAQBAJ</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Lewin Edwards "Open-Source Robotics and Process Control Cookbook: Designing and Building Robust, Dependable Real-time Systems", 2005, p. 15: "Worse still, the only halfway decent open-source C compiler for the 8051 (sdcc) is exactly that—only halfway decent." <a href="https://books.google.com/books?id=OlfXVIclwnAC" target="_blank">https://books.google.com/books?id=OlfXVIclwnAC</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Lewin A. R. W. Edwards (2006). So, You Wanna be an Embedded Engineer: The Guide to Embedded Engineering, from Consultancy to the Corporate Ladder. p. 51.: "I personally prefer to use the free compiler package, sdcc. This is unquestionably the poor man's choice of 8051 C compilers, ... in any case, sdcc is perfectly adequate for hobbyist, low-volume and/or educational projects." <a href="https://archive.org/details/pdfy-MKFMCCNbqENoR3Ft" target="_blank">https://archive.org/details/pdfy-MKFMCCNbqENoR3Ft</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Padauk website <a href="http://www.padauk.com.tw" target="_blank">http://www.padauk.com.tw</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"SDCC - Small Device C Compiler". Retrieved 2013-01-20. <a href="http://sdcc.sourceforge.net/" target="_blank">http://sdcc.sourceforge.net/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Setting up the free compiler SDCC at MPLABX, Google Sites <a href="https://sites.google.com/site/rmaalmeida/mplabx-sdcc-toolchain" target="_blank">https://sites.google.com/site/rmaalmeida/mplabx-sdcc-toolchain</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> </ol>