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Introduction to 80x86 Assembly Language and Computer Architecture, 2nd Edition by Richard C. Detmer

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APPENDIX C

Answers to Selected Exercises

Exercises 1.1 (page 7)

image

Exercises 1.2 (page 11)

   1.  (b)  29522 or sR

   2.  (b)  47 65 6f 72 67 65 20 73 61 69 64 2c 20 22 4f 75 63 68 21 22

   3.  (c)  June 11, 1947CRLF

Exercises 1.3 (page 16)

   1.  (a)  00000F22

   2.  (d)  FFF6

   3.  (b)  6F

   4.  (b)  –509 signed; 4,294,966,787 unsigned

   5.  (c)  28,448 signed or unsigned

   6.  (a)  –31 signed; 225 unsigned

   8.  (a)  –32,768 to +32,767; (b)  0 to 65,535

Exercises 1.4 (page 23)

   1.  003F + 02A4

sum: 02E3, no overflow, no carry

signed and unsigned check: 63 + 676 = 739

unsigned check: 32766 + 2 = 32768

   5.  FF07 + 06BD

sum: 05C4, no overflow, ...

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