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Unformatted text preview: CMPT 250 Midterm 2 March 15, 2002 • You have 50 minutes to complete this exam. • Answer all questions in an answer booklet. Hand in your question sheet with your booklet. • There is a total of 40 points on this exam; points for each question are indicated. • Read through the entire exam before you begin. • There are 5 pages ( not counting this page); make sure you have them all. • No books, calculators or any other aids are allowed. • Where appropriate, clarity and simplicity of your solutions count, as well as correctness. • All “Figures” are at the back of the exam. Surname: Given Name(s): Student Number: Student number: CMPT 250 Midterm 2, Mar. 15, 2002 1. [10 points] For each assembly instruction below, convert it to a register transfer statement (eg. “ R 1 ← R 2” is a register transfer statement). A table of the addressing modes used can be found in Figure 1. Where an accumulator is used, it should be called ACC . (a) LD R1, 800 (b) ADD (400) (c) ADD R1, #400 (d) LD [100] (e) LD 300 (R2) (a) LD R1, #800 (b) ADD $400 (c) ADD R2, 400 (d) LD (R1) (e) LD 600 (R1) 2. [10 points] Have a look at the datapath in Figure 2. This datapath will use the function unit inHave a look at the datapath in Figure 2....
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This note was uploaded on 01/16/2010 for the course CS 251 taught by Professor Various during the Spring '97 term at Simon Fraser.
 Spring '97
 various

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