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Open-source, free, multi-platform BASIC compiler, with syntax similar MS-QuickBASIC (including the GFX statements), that adds new features such as pointers, unsigned data types, inline assembly, a pre-processor and many others.
An alternative IDE for the yab programming language
...This makes it easier to write long programs: instead of constantly scrolling up and down between subroutines, you just double-click on the one you want to edit - more like we used to work in QuickBasic. Debugging, on the other hand, becomes a little more tricky than in the official IDE.
Yabadabbadoo suggests that you reserve workspace 4 for its own use and for best results demands a minimum resolution of 1024 x 768 on that workspace.
Source code is included. In Yabadabbadoo format, of course.
QB64 is a modern self-hosting BASIC compiler that brings classic QBasic/QuickBASIC programs into the modern era. It enables legacy code to run on today’s operating systems with minimal modifications, while also introducing new commands and libraries for multimedia, networking, and 64-bit computing. QB64 compiles to C++ and includes a built-in IDE, making it accessible for beginners, hobbyists, and retro programming enthusiasts.
An experimental BASIC language for Linux, Mac OS X, and Windows.
NG-BASIC is an experimental BASIC language that can be both interpreted within an Integrated Development Environment (and debugged through that same environment) as well as compiled to a native executable.
The goal of this project is to reproduce an environment similar to QuickBASIC 4.5 for modern operating systems and for BASIC enthusiasts.
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...Features that still need to be implemented:
Boolean expressions (IF) (If I ever find a flexible way to implement them, because you can't parse user input to a boolean command in QBASIC, without using a dynamically changed BAS file, which is going to fail if using it compilled)
The source code should be compiled with either QB64, QuickBASIC or freeBASIC (with the -lang qb switch enabled
QuickerBasic is a QuickBasic 4.5 compatible compiler which attempts to implement as much of the QuickBasic language as possible, as well as extending it.
OpenBASIC is a modernized programming derived from the syntax of QBasic, QuickBasic, and FreeBASIC, yet has most (if not all) of the Object-Oriented features of C++, as well as the portability of that language coupled with Allegro for graphics routines.