Final Exam with Solution for Advanced Digital Computer Design | ECEN 3213, Exams of Electrical and Electronics Engineering

Download Final Exam with Solution for Advanced Digital Computer Design | ECEN 3213 and more Exams Electrical and Electronics Engineering in PDF only on Docsity! mM ECEN 6253 Advanced Digttal Computer Design a ECEN 3213 Spring ‘05 Final Exam WRITE YOUR NAME HERE An Sey All questions must be answered on test paper! Open Book, Open Notes All questions are for the 68HC711E9 microprocessor. 1, (18 pts.) Convert the following numbers io the number representation requested. Assume that all numbers are represented in one word = two bytes. a convert S01EE to unsigned decimal BOER: [eign e féx|b +14 2256 + 204 414 = 144 b. convert $FFEE to signed decimal j "1634 PFEE =~ 601 2y i = -tb142 164 =~ig 3h | ¢. convert 1539 to binary (2 bytes) Bva0dilD vqvo IOI iq@2 48 Ge 9 4G 46 d. convert 1539 to hexadecimal (2 bytes) 24 © pob03 12 6 & @ e. convert ~1539 to binary (2 bytes) ge liyppool cllr yet 1) f. convert -1539 to hexadecimal (2 bytes) BFIUFD ECEN 3213 Spring ‘05 Final Exam Muy 4, 2003 page } ofS B ECEN 6253 Advanced Digital Computer Design & 2. (16 pts.) The instructions in the table are executed in the order shown. Fill out the fol- lowing lable by giving the contents of the A-register (in hexadecimal or binary) and the values of the binary values of the NZVC flags after each of the instructions is executed. instruction contents of A NZVC Ida #4 Sot DOV? 5 adda #87F eZ jolo es anda #6 $0 2 po000 mn anda #2 $ oe youd 3. (20 pts.) The instructions in the table are executed in the order shown. Fill out the fol- lowing table by giving the RAM address used for storing data and the value in RAM after the instruction executes. instruction RAM address RAM data org $D000 db 47 db $47 ida $D000 sta $0000 Ida SDOO1 sta $0001 Idx #30100 lda 0 sta 5,X ida $01 sta $14,X ida #501 sta 5 ECEN 3213 Spring ‘05 Final Exam May 4, 2005 page af