Easy Forth
4 hours ago
- #programming
- #tutorial
- #Forth
- Forth is a unique programming language from the 70s, still in use today, known for its simplicity and lack of syntax.
- Forth revolves around the stack for all operations, using Reverse-Polish notation for expressions.
- The tutorial includes a simple Forth implementation in JavaScript for hands-on learning.
- Basic operations in Forth include stack manipulation (dup, drop, swap, over, rot), output commands (., emit, cr, ."), and conditionals (if then, if else then).
- Forth supports loops (do loop, begin until), variables, constants, and simple array-like memory allocation.
- A snake game example demonstrates practical Forth usage, incorporating graphics, input handling, and game logic.
- Forth's power extends beyond basics, allowing compiler modifications and custom language creation within Forth.