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interrupt

hello everyone,

how to write an interrupt service routine in c++

i have following class:

class nm
{ public: char i;
};

& ISR is:

void timer_isr(void) interrupt 1
{ nm.i = 10;
}

if i write in this manner then i is not accessible as timer_isr is not a function of class nm

in c we dont declare interrupt function

shall i declare here? if yes then how?

pls guide me on this

thank you all
take care

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