ECET 330 DeVry Week 5 Homework

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ECET 330 DeVry Week 5 Homework

ECET330

ECET 330 DeVry Week 5 Homework

 

ECET 330 DeVry Week 5 Homework

Question 1. Question : Show the value of the register and the carry after the execution of the ASLA instruction.

Given the original content of Register A and carry flag

0 1 0 0 1 0 1 0 1

C

Question 2. Question : Show the value of the register and the carry after the execution of the LSLB instruction.

Given the original content of Register B and carry flag

0 1 0 0 1 0 1 0 1

C

Question 3. Question : Show the value of the register and the carry after the execution of the ASRB instruction.

Given the original content of Register B and carry flag

1 0 1 0 0 1 0 1 0

C

Question 4. Question : Show the value of the register and the carry after the execution of the RORA instruction.

Given the original content of Register A and carry flag

1 1 0 1 1 1 1 1 0

C

Question 5. Question : Show how to perform 77 x 34 in the HCS12. Store the result in a WORD-size variable called var1.

Question 6. Question : Show how to perform 77 / 3 in the HCS12. Store the quotient in a WORD-size variable called result, and the remainder in a WORD-size variable called remainder.

Question 7. Question : How are the following decimal-signed numbers represented in HCS12?

  1. -12
  2. +127
  • -128