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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@asez73
@Gordon, it worked. The official and "shifted to 0x80 8th byte" did flash immediatly by copy/paste to my D: drive.
I edited the official file using directly ST-link utility which allow to change a byte and save as a new file the .bin opened.
About the compiler there is an error message in the webide, I will look at it later, so far no problem.
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