hw2logicdesign - COSC-1309 Homework #2 Chapter 2 1....

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COSC-1309 Homework #2 Chapter 2 1. Translate the following instructions from English into the machine language described in Appendix C. a. LOAD register 8 with the contents of memory cell 55. b. LOAD register 8 with the hexadecimal value 55. c. ROTATE register 4 three bits to the right. d. AND the contents of registers F and 2 leaving the result in register 0. e. Jump to the instruction at memory location 31 if the contents of register 0 equals the value in register B. 2. The following are instructions written in the machine language described in Appendix C. Translate them into English. a. 407E b. 9028 c. A302 d. B3AD e. 2835 3. Suppose the memory cells at addresses 00 through 05 in the machine described in Appendix C contain the following bit patterns. Address Contents 00 10 01 04 02 30 03 45 04 C0 05 00 a. Translate the instructions that are executed into English. b. What bit patterns is in the memory cell at address 45 when the machine halts? c. What bit pattern is in the program counter when the machine halts?
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4. Suppose the memory cells at addresses F0 through FD in the machine described in Appendix C contain the following (hexadecimal bit patterns): Address Contents F0 20 F1 00 F2 21 F3 01 F4 23 F5 05 F6 B3 F7 FC F8 50 F9 01 FA B0 FB F6 FC C0 FD 00 If we start the machine with its program counter equal to F0, what is the value in register 0 when the
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This note was uploaded on 12/19/2011 for the course CSCI 101 taught by Professor Dr.ambrose during the Spring '11 term at Community College of Baltimore County.

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hw2logicdesign - COSC-1309 Homework #2 Chapter 2 1....

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