Little Man Computer

Little Man Computer

1. THERE ARE 11 MNEMONICS USED IN LITTLE MAN COMPUTER

   • LDA- This is the load instruction which means the computer will fetch the data from the memory and holds that value until given an instruction on what to do with it.
   • STA – This is the store instruction which will store a value in the RAM.
   • ADD – This is the add instruction which adds two values together.
   • SUB – This is the subtract instruction which subtracts one value from another.
   • INP – this is the input instruction which allows the user to input a value.
   • OUT – This is the output instruction which will output any value to the user that has asked to be outputted.
   • HLT – this is the end instruction which will stop the cycle.
   • BRA – This will set the program counter to address xx.
   • BRZ – This is the branch if zero or positive instruction which will set the program counter to address xx if the value is not negative.
   • DAT – this is the data storage instruction. When the instruction is compiled it will reserve data as the memory address.