Download PDS 7.1 Fork

Download Compiler User Manual Examples

About PDS 7.1 Fork

PDS 7.1 Fork is a modern implementation of Microsoft BASIC Professional Development System 7.1. It preserves classic QuickBASIC and PDS syntax while generating modern native Windows x64 executables.


The compiler translates BASIC source code into assembly, produces object files, and generates standalone executables without requiring an interpreter.

Features

Compatibility

  • 100% PDS 7.1 Compatible
  • QuickBASIC Style Syntax
  • Classic BASIC Development
  • Modern Windows Support

Compiler

  • Generates x86-64 Assembly
  • Creates Object Files
  • Produces Standalone EXEs
  • Fast Native Compilation

Graphics

  • SDL2 Graphics Support
  • Fullscreen Graphics
  • Console Mode Support
  • Message Boxes

Modern Features

  • Buttons
  • Radio Buttons
  • Checkboxes
  • Windows Integration

Hello World Example

PRINT "Hello World!"
END

Downloads

Compiler Package

Includes compiler, runtime libraries, examples and tools.

Download

User Manual

Complete language reference and compiler documentation.

Download

Source Code

Browse the source code and follow development progress.

Git Repository

Getting Started

qb71.exe HELLO.BAS

1. Create a BASIC source file.
2. Compile with QB71.
3. Run the generated executable.
4. Distribute the standalone EXE.