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CosminVarlan

12. Shiftare biti - mai multi, dar cu pierdere (ASM)

Dec 16th, 2021
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  1. volatile uint16_t v = 255;
  2. void setup()
  3. {
  4.   Serial.begin(9600);
  5.   asm(
  6.     "lsl %0 \n" // shiftare la stanga
  7.     : "+r" (v)
  8.     );
  9.     Serial.println(v); // 254 (pentru ca se pierde)
  10. }
  11.  
  12. void loop(){}
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