LMC commands

What does command “STA” do?

#Copy the value held in the accumulator to the specified memory location

What is the function of LDA?

#Copy the value stored at the specified memory location into the accumulator

What is the function of “ADD”?

#Add the value stored at the specified memory location to the value held in the accumulator

What is the function of SUB?

#Subtract the value stored at the specified memory location from the value held in the accumulator

What is the function of BRA(Branch always)?

#Unconditional branch: Branch to the specified label

What is the function of BRZ(Branch Zero)?

#Conditional branch: if the value held in the accumulator is zero, the program branches to the specified label

What is the function of BRP(Branch Positive)?

#Conditional branch: if the value held in the accumulator is positive (or zero), the program branches to the specified label

What is the function of INP command?

#Takes an input value from the input area and stores it in the accumulator

What is the function of the OUT command?

#Displays the value held in the accumulator in the output area

What is the function of the OUT command

#Displays the value held in the accumulator in the output area

What does command HLT do?

#Halts the program

What id DAT used for?

#DAT is not an operation but is used to create a named memory location that will hold data.