Design a circuit to detect when 3 and only 3 bits are set
out of 8 bits.(eg. o0101100)
- 13 Answers
- 23911 Views
- Qualcomm, RIM, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / gautam
Sorry thr was a bit mistake. Corrected :
MOV XAR1, #Data
MOV XAR0, #0
MOV XAR2, #0
Loop:
TBIT *XAR1, *XAR2
BF Loop1, NTC
INR *XAR0
Loop1:
INR *XAR2
MOV AL, *XAR0
CMP AL, #0x03
BF Loop3, EQ
MOV AL, *XAR2
CMP AL, #0x80
BF Loop, NEQ
Loop3:
EXIT
| Is This Answer Correct ? | 0 Yes | 3 No |
Answer / gautam
I have modified it a bit,
MOVL XAR1, #Data
MOVL XAR0, #0x00
MOVL XAR2, #0x00
Loop:
TBIT *XAR1,#XAR2
BF Loop1, NTC
INR AR0
Loop1:
INR AR2
MOV AL, *XAR0
CMP AL, @0x03
BF Action, EQ
MOV AL, *XAR2
CMP AL, @0x08
BF Loop, NEQ
Loop3:
EXIT
Action:
| Is This Answer Correct ? | 0 Yes | 5 No |
Advantages and disadvantages of using macro and inline functions?
Explain what is semaphore?
Do you know what is the use of volatile keyword?
What is the volatile keyword used for?
Are you still writing code? Do you love it?
Explain me how does the interrupt architecture works?
PROVIDE ME NOTES ON EMBEDDED TCHNLOGY
What is the last programming book you read?
Explain difference between risc and cisc processor?
What's the difference between locking and lockless (optimistic and pessimistic) concurrency models?
How does the addition of service orientation change systems? When is it appropriate to use?
Whose blogs or podcasts do you follow? Do you blog or podcast?
86 Family 
