Créé par Avery Lee (l’auteur de VirtualDub), il s’agit d’un émulateur d’Atari 8 bits (800/800XL/130XE) disponible en 32 et 64 bits. Il dispose de beaucoup d’options ainsi que d’une bonne compatibilité. Il prend en charge les jeux protégés conformément à l’émulation.
bugs fixed
– Additions: Fixed LOADEXE.XEX using old $FD device SIO code for the program loader instead of $7D.
– AltirraOS: Fixed math pack compatibility issue with FDIV modifying FLPTR (fixes B-Graph pie chart routine).
– AltirraOS: Fixed a cursor position checking bug with split screen Gr.0 (fixes the BASIC game House of Usher).
– AltirraOS: Fixed compatibility issue with KEYDEL handling (fixes cursor movement in BrushupV40).
– ATBasic: IOCB#7 is now automatically closed on I/O errors to avoid SAVE files being kept open for write.
– Cassette: Fixed FLAC decoder crash with some block sizes.
– Cassette: Fixed regression with FSK blocks in CAS files being read as turbo pulses instead of FSK pulses.
– Disk: Retuned XF551 high-speed C/E to data frame delay.
– Display: Workaround for D3D11 minimum precision crash on Intel Iris Xe 30.0.101.1069 driver.
– Serial: Pad out 850 relocator to match length of original firmware relocator (fixes compatibility with loaders that hardcode the relocator length).
– VFS: Fixed wrong file being accessed when using atfs:// paths to access files inside a DOS 2 disk image.
Note that starting with 4.00, Altirra requires at least Windows 7. For Windows XP and Vista users, there is also a 3.91 maintenance release at the above link, which contains backported changes from 4.00 of critical bug fixes and the latest version of AltirraOS.
Télécharger Altirra (XP/Vista) v3.91 Final (5.7 Mo)
