#define context_save \
    __asm__ volatile ("PUSH R0"); \
    __asm__ volatile ("PUSH R1"); \
    __asm__ volatile ("PUSH R2"); \
    __asm__ volatile ("PUSH R3"); \
    __asm__ volatile ("PUSH R4"); \
    __asm__ volatile ("PUSH R5"); \
    __asm__ volatile ("PUSH R6"); \
    __asm__ volatile ("PUSH R7"); \
    __asm__ volatile ("PUSH R8"); \
    __asm__ volatile ("PUSH R9"); \
    __asm__ volatile ("PUSH R10"); \
    __asm__ volatile ("PUSH R11"); \
    __asm__ volatile ("PUSH R12"); \
    __asm__ volatile ("PUSH R13"); \
    __asm__ volatile ("PUSH R14"); \
    __asm__ volatile ("PUSH R15"); \
    __asm__ volatile ("PUSH R16"); \
    __asm__ volatile ("PUSH R17"); \
    __asm__ volatile ("PUSH R18"); \
    __asm__ volatile ("PUSH R19"); \
    __asm__ volatile ("PUSH R20"); \
    __asm__ volatile ("PUSH R21"); \
    __asm__ volatile ("PUSH R22"); \
    __asm__ volatile ("PUSH R23"); \
    __asm__ volatile ("PUSH R24"); \
    __asm__ volatile ("PUSH R25"); \
    __asm__ volatile ("PUSH R26"); \
    __asm__ volatile ("PUSH R27"); \
    __asm__ volatile ("PUSH R28"); \
    __asm__ volatile ("PUSH R29"); \
    __asm__ volatile ("PUSH R30"); \
    __asm__ volatile ("PUSH R31"); \
//    __asm__ volatile ("IN R25, __SREG__");  \
//    __asm__ volatile ("PUSH R25");

#define context_restore \
    __asm__ volatile ("POP R31"); \
    __asm__ volatile ("POP R30"); \
    __asm__ volatile ("POP R29"); \
    __asm__ volatile ("POP R28"); \
    __asm__ volatile ("POP R27"); \
    __asm__ volatile ("POP R26"); \
    __asm__ volatile ("POP R25"); \
    __asm__ volatile ("POP R24"); \
    __asm__ volatile ("POP R23"); \
    __asm__ volatile ("POP R22"); \
    __asm__ volatile ("POP R21"); \
    __asm__ volatile ("POP R20"); \
    __asm__ volatile ("POP R19"); \
    __asm__ volatile ("POP R18"); \
    __asm__ volatile ("POP R17"); \
    __asm__ volatile ("POP R16"); \
    __asm__ volatile ("POP R15"); \
    __asm__ volatile ("POP R14"); \
    __asm__ volatile ("POP R13"); \
    __asm__ volatile ("POP R12"); \
    __asm__ volatile ("POP R11"); \
    __asm__ volatile ("POP R10"); \
    __asm__ volatile ("POP R9"); \
    __asm__ volatile ("POP R8"); \
    __asm__ volatile ("POP R7"); \
    __asm__ volatile ("POP R6"); \
    __asm__ volatile ("POP R5"); \
    __asm__ volatile ("POP R4"); \
    __asm__ volatile ("POP R3"); \
    __asm__ volatile ("POP R2"); \
    __asm__ volatile ("POP R1"); \
    __asm__ volatile ("POP R0"); \
//    __asm__ volatile ("POP R25");  \ 
//    __asm__ volatile ("OUT __SREG__, R25"); \ 



void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  for(int i =0; i < 5; i++){
    Serial.println(i);
    //context_save
    __asm__ volatile ("JMP Dee");
    __asm__ volatile("eww:");
  }
  __asm__ volatile("Dee:"
"LDI R29, 100" );
 //context_restore
    __asm__ volatile("JMP eww");
  while(1);
}