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1. Write instructions to add 2 to the contents of r17. 2. Write instructions to calculate 0x12A4 + 0x56B8 3. Write a C and assembly

1. Write instructions to add 2 to the contents of r17.

2. Write instructions to calculate 0x12A4 + 0x56B8

3. Write a C and assembly program to multiply two 8 bit integers (example 20 multiplied by 10). Store the result in register r18. For this problem, you should write a complete program. You should have a .h file where you declare your multiply function, and do the multiplication in a .S file and then call your function in your .ino file. The .ino could look like the following.

  1. #include "mul.h"

    void setup() { Serial.begin(9600);

    Serial.print(my_mul()); }

    void loop() { }

    Hint: Look at the add program posted under ../Lecture07 codes/add/

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