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I took some old code (saved with the original version) and decided to see what happened if I compiled with 7.xx. To my surprise I got DATA space overflow. What I found was that there is no DATA_GROUP shown in the map and all functions have their own private space in DATA and IDATA. What am I missing? Erik PS not uVision but commandline.
Regarding optimization levels: What is the default in 7.xx Are you sure you should have to know that to solve this puzzle? I certainly assumed your own build procedures would contain their own explicit optimization switches, so it shouldn't matter what the default is. Relying on such fleeting things as optimization level defaults seems would seem like a rather sure recipe for disaster, to me.
Hans-Bernhard, all is inherited and changes come gradually. It is more important to keep the project alive than to change it. I have now reached the point where I have a bit of time to make it "right" thus this. Erik