What is the difference between an instruction and a directive?

Convert to/from Hex (0x)

Octal Binary Unsigned/ 2’s complement

Understand how to shift and rotate.

Understand the relationship between shifting and multiplication/division

Be able to recognize and use the following gates: AND OR NOT NAND NOR XOR

Understand how a half adder works Given a logical statement ((A OR B) AND NOT(C OR A)) show the gates.

What is the difference between an instruction and a directive?

If you have the C statements int A[10,12],mydata

A[3,5]=mynumber (you are on a 32 bit machine, ints are 32 bit) convert that to assembly

Given the following: BL sub and MOV LR,PC B sub are they equivalent?

is B loop equivalent to LDR R1,=loop MOV PC,R1

Are there reasons to use one of the constructions over the other?

If I have a register that contains 0x12345678 and I want to write 0x34 to memory location 0x2000.0003 how would you do that? Can you do it only by using one other register to hold the destination address?

Explain how floating point representation works, in words that actually explain it, not that it is used to represent fractional values

If mydata is a 32 bit address how can you have a 16 bit instruction: LDR R1,=mydata

Be able to write a for/while loop in assembly

Be able to copy a block of memory from one location to another

Solutions

Expert Solution

genius_generous answered 1 year ago

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