Read the following x86 assembly stack framing sequence and determine the final effect on the BP register value:
push bp
mov bp, sp
sub sp, 2
mov sp, bp
pop bp
Ch 05: Subroutines and Stack Architecture
Examines stack memory allocation, downward growth of the stack, return address pushing, caller vs callee register preservation, and avoiding stack misalignment bugs.
222 Questions222 MCQs0 Short Questions0 Long Questions
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CS401 - Computer Architecture and Assembly Language Programming Examination Practice
Timed practice exam simulation for CS401 - Computer Architecture and Assembly Language Programming.
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In computer architecture, a stack is defined as what type of data structure?
What is the maximum number of parameters a subroutine can receive through registers when all general-purpose registers are utilized for parameter passing in 16-bit x86 assembly?
During the execution of the STOSB (Store String Byte) instruction, when the Direction Flag (DF) is clear (DF = 0), how is the destination index register DI modified?
During the execution of a repeated string instruction (such as REP STOSW or REP STOSB), after each iteration, the count register CX is ________.
Which pair of registers is used as source and destination index pointers to access memory during string operations (e.g., MOVSB, MOVSW)?
In x86 string processing instructions, auto-increment mode (incrementing index registers SI and DI after each operation) is active when which flag state is met?
What is the primary function of the MOVS (Move String) instruction family in x86 assembly?
In STOSW (Store String Word) instruction, when the Direction Flag (DF) is clear (DF = 0), the Destination Index (DI) register is ________.
In the STOSB (Store String Byte) instruction, when the Direction Flag (DF) is clear (DF = 0), the Destination Index (DI) register is ________.