While handling the interrupt instructions in 8086, What are the internal operations may be carried out by the stack?
Posted in Microprocessors Interview Questions
(i)SP =SP-2 , stack ß Push flag reg. Contents, IF =0 , TF =0
(ii) SP=SP-2, Stackß CS Reg. Contents, Address of Interrupt pointer = Interrupt type * 4 , CS Register Contents ß Second word of Interrupt pointer
(iii) SP=SP-2, Stackß IP, IPß First word of Interrupt pointer
Post Your Answer!
Send This to a Friend
← Define LAHF and SAHF instructions in 8086.
Write about EVEN directive in 8086 ALP. →
Related Interview Questions
Which Stack is used in 8086? k is used in 8086? 10.01.09
FIFO (First In First Out) stack is used in 8086.In this type of Stack the first stored information is retrieved first....
What are the various segment registers in 8086? 10.01.09
Code, Data, Stack, Extra Segment registers in 8086....
14.11.08
It allows the memory capacity to be 1MB even though the address associated with individual instructions are 16 bits wide. It allows the instruction,data, or st...
What is the difference between microprocessor and microcontroller? 14.11.08
In Microprocessor more op-codes, few bit handling instructions. But in Microcontroller: fewer op-codes, more bit handling Instructions, and also it is defined...
Which Stack is used in 8086? 10.11.08
FIFO (First In First Out) stack is used in 8086.In this type of Stack the first stored information is retrieved first....
What is SIM and RIM instructions? 10.11.08
SIM is Set Interrupt Mask. Used to mask the hardware interrupts. RIM is Read Interrupt Mask. Used to check whether the interrupt is Masked or not....
What are I/O Interrupts? 15.06.06
I/O Interrupt °An I/O interrupt is just like the exceptions except: • An I/O interrupt is asynchronous • Further information needs to be conveyed °A...
What are the various segment registers in 8086? 26.03.06
Code, Data, Stack, Extra Segment registers in 8086....
Which StacWhich Stack is used in 8086? k is used in 8086? 26.03.06
FIFO (First In First Out) stack is used in 8086.In this type of Stack the first stored information is retrieved first....
What is SIM and RIM instructions? 26.03.06
SIM is Set Interrupt Mask. Used to mask the hardware interrupts. RIM is Read Interrupt Mask. Used to check whether the interrupt is Masked or not....
Monday, February 23, 2009
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment