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Hello.
I have a bootloader that use F0 flag to indicate if the bootloader is executing (F0 = 1) or if the application is executing (F0 = 0).
But some Keil library functions modify this flag (float division, 32-bits signed long division, etc).
Somebody can help me with the full list of functions that modify this flag?
I cannnot modify the bootloader because the product is just in production (and sold out).
I posted : "The F0 flag is, for every '51 toolset I know (and I know quite a few) "reserved for compiler use"." sdcc compiler .... they also use the FO not one of those I know, this just confirms the generality of "F0 is a compiler flag"
Erik