ECET 330 Week 2 Quiz

Published on January 2018 | Categories: Technology | Downloads: 130 | Comments: 0 | Views: 1336
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1. (TCO 3) The X register in HCS12 is _____ bits wide 2. (TCO 3) The largest value (in decimals) that can be loaded into Register A of HCS12 is 3. (TCO 3) Which of the following is wrong? 4. (TCO 3) The address space 0x0000-0x3FF is assigned to I/O peripherals of a given HCS12 chip. How many K bytes is this? 5. (TCO 3) Give the contents of the address location, $1200, after the execution of the following instructions 6. (TCO 4) Give the contents of Register A after the execution of the following instructions: Data_1 EQU 255 Data_2 EQU 1 LDAA #Data_1 LDAB #Data_2 ABA 7. (TCO 4) What is the addressing mode of the instruction “LDX #2000”? 8. (TCO 3) Give the status of C and Z flags after the execution of the following instructions. LDAA #$65 ADDA #$AA C= ______ Z = _______

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1. (TCO 3) The X register in HCS12 is _____ bits wide 2. (TCO 3) The largest value (in decimals) that can be loaded into Register A of HCS12 is 3. (TCO 3) Which of the following is wrong? 4. (TCO 3) The address space 0x0000-0x3FF is assigned to I/O peripherals of a given HCS12 chip. How many K bytes is this? 5. (TCO 3) Give the contents of the address location, $1200, after the execution of the following instructions 6. (TCO 4) Give the contents of Register A after the execution of the following instructions: Data_1 EQU 255 Data_2 EQU 1 LDAA #Data_1 LDAB #Data_2 ABA 7. (TCO 4) What is the addressing mode of the instruction “LDX #2000”? 8. (TCO 3) Give the status of C and Z flags after the execution of the following instructions. LDAA #$65 ADDA #$AA C= ______ Z = _______

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