Assembly language (including following and writing simple programs with the Little Man Computer instruction set)

Question 1

ADD

Answer 1

Add the value at the given memory address to the value in the accumulator

Question 2

SUB

Answer 2

Subtract the value at the given memory address from the value in the accumulator

Question 3

STA

Answer 3

Store the value in the accumulator at the given memory address

Question 4

LDA

Answer 4

Load the value at the given memory address into the accumulator

Question 5

INP

Answer 5

Allows the user to input a value which will be held in the accumulator

Question 6

OUT

Answer 6

Prints the value currently held in the accumulator

Question 7

HLT

Answer 7

Stops the program at that line, preventing the rest of the code from executing

Question 8

DAT

Answer 8

Creates a flag with a label at which data is stored

Question 9

BRZ

Answer 9

Branches to a given address if the value in the accumulator is zero, this is a conditional branch

Question 10

BRP

Answer 10

Branches to a given address if the value in the accumulator is positive, this is a conditional branch

Question 11

BRA

Answer 11

Branches to a given address no matter the value in the accumulator, this is an unconditional branch