LittleManComputer

Assembler and Interpreter for the LittleManComputer Code written in C

Installation

• Windows:

  • Download lmc.zip
  • Extract it anywhere
  • Add the folder to the PATH (howto)
  • Open CMD and type lmc to verify installation

• Linux:

  • Download lmc.tar.gz
  • Extract it anywhere:

   $ mkdir tarlmc
   $ tar xf lmc.tar.gz -C tarlmc
   $ cd tarlmc
  

  • Run ./setup.sh

   $ ./setup.sh
   Do you want to install  lmc (Interpreter)? [Y/n] y
   > cp lmc /usr/bin/lmc
  
   Do you want to install  lma (Assembler)? [Y/n] y
   > cp lma /usr/bin/lma
   
  

  • Type lmc to verify installation

   $ lmc
   No file specified.
  
   Usage:
           From File:   lmc file.txt
     Debug From File:   lmc +file.txt
           Immediate:   lmc :901308901309508209902000 
     Debug Immediate:   lmc +:901308901309508209902000
  
  

Build

• Windows:
  • Run build.bat
  • Output: bin\lma.exe, bin\lmc.exe
  • Requirements: tcc for windows
• Linux:
  • Run ./build.sh
  • Output: bin/lma, bin/lmc
  • Requirements: apt install tcc

Assembler

• Comments
  • ; Line comment
  • / Line comment
• Instructions
  • ADD
  • SUB
  • STA
  • LDA
  • BRA
  • BRZ
  • BRP
  • INP
  • OUT
  • HLT | COB
  • DAT

Using

Wiki

Arrays? Where is opcode 4xx?

References:

• https://en.wikipedia.org/wiki/Little_man_computer
• https://stackoverflow.com/questions/42579740/what-happens-to-instructions-given-to-the-little-man-in-the-lmc-that-begin-with