ECE 2730 Assembly Lab Final || All Questions Answered Correctly.
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Course
ECE 2730 Assembly
Institution
ECE 2730 Assembly
How do you compile assembly code with a C driver file? correct answers gcc -Wall -m32 drvr.c assmbly.s -o progName
Why can learning the fundamentals from assembly help you in general? correct answers 1- Assembly is lower level than C, so it allows us to better understand how computers work/are w...
ECE 2730 Assembly Lab Final || All Questions Answered
Correctly.
How do you compile assembly code with a C driver file? correct answers gcc -Wall -m32 drvr.c
assmbly.s -o progName
Why can learning the fundamentals from assembly help you in general? correct answers 1-
Assembly is lower level than C, so it allows us to better understand how computers work/are
working when programs are being ran
2- Helps you identify potential bottlenecks
3- Allows you to understand the base operations that occur on your system, which in turn allows
you to modify the way you write code in order to optimize for your specific goal.
How do you declare variables in assembly? correct answers .comm globVar, 4
(assuming you want to declare a 4 byte variable called globVar)
How do you do basic arithmetic instruction? correct answers dst +=src => addl src,dst (one must
be register)
b = b-c => subl c,b
a = a*b => movl a,%eax mull b (stored in a register, overflow is stored in d register)
a = a/b => movl a,%eax divl b (should always clear d register first, answer is stored in a,
remainder is stored in d)
How do you do conditional statements using conditional? correct answers jc label - jump if carry
jnc label - jump if not carry
jz label - jump if zero
jnz label - jump if not zero
js label - jump is sign (negative)
jns label - jump if no sign (positive)
jo label - jump if overflow
jno label - jump if not overflow
jpo label - jump is parity is odd
jpe label - jump if parity is even
How do you do conditional statements using unconditional jumps? correct answers je label #
jump if equal
jne label # jump if not equal
jg label # jump if greater than
jng label # jump if not greater than
jl label # jump if less than
jnl label # jump if not less than
jge label # jump if greater or equal
jnge label # jump if not greater or equal
jle label # jump if less or equal
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