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Altirra BASIC#


Altirra BASIC is a reimplementation of Atari BASIC that is part of the Altirra 8-bit emulation system. This allows Altirra to run Atari BASIC programs without requiring an original Atari BASIC ROM.

Copyright (C) 2014 Avery Lee, 2014#

Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.#

Atari Wiki is proud to have the license to publish Avery Lee's outstanding Altirra Basic. Avery has done a marvelous job in creating this Basic. Further, he has published the source code, too. :-) Avery, the Atari community say thank you so much for your contribution, we all appreciate very much. Please go ahead with your fantastic work.#


Altirra BASIC 1.29: ; size: 12 KB


Altirra BASIC 1.29: atbasic.bin(info) ; size: 8 KB


Altirra BASIC 1.29: Altirra Basic 1.29 with DOS II 2.5.atr(info) ; ATR-Image with DOS 2.5 and Altirra BASIC 1.29 as AUTORUN.SYS file
Altirra BASIC 1.54: Additions.atr(info) ; plus additions from Avery's site. Thank you so much Avery! :-))) We really(!) need your work. :-)))


Altirra BASIC 1.29 after starting from the ATR-image

Sectors needed for Altirra BASIC 1.29 on the SD-ATR-image above


The original, actual version and the source code of Altirra Basic can be found can be found here:

Altirra at

The source code itself is published within the Altirra source code package (src/ATBasic/*). For the license please see at the top of the page.


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List of attachments

Kind Attachment Name Size Version Date Modified Author Change note
Additions.atr 92.2 kB 1 12-Sep-2017 22:00 Roland B. Wassenberg Additions.atr
Altirra Basic 1.29 with DOS II... 92.2 kB 1 18-Nov-2014 21:12 Roland B. Wassenberg ATR-Image with AUTORUN.SYS
Altirra1.jpg 53.5 kB 1 18-Nov-2014 21:13 Roland B. Wassenberg figure 1
Altirra2.jpg 27.8 kB 1 18-Nov-2014 21:13 Roland B. Wassenberg figure 2
atbasic.bin 8.2 kB 1 18-Nov-2014 21:12 Roland B. Wassenberg BIN-Image
car 8.2 kB 1 18-Nov-2014 21:11 Roland B. Wassenberg Cartridge
« This particular version was published on 26-Apr-2018 18:58 by Maury Markowitz.  
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