Chapter 28 Flashcards
1
Q
Which 3 flags not used in mathematical operations nows
A
Direction flag, the interrupt flag and the trap flag
2
Q
Which interrupt never invoke but comes by itself
A
Divide by zero interrupt
3
Q
What is single step interrupt
A
IVT and reserved interrupts. The debugger is made using this interrupt. It allows one instruction to be executed and then return control to us.
4
Q
What PUSHF and POPF instructions do
A
push and pop flags
5
Q
Which flag is used by debugger
A
trap flag
