Dzięki Abrisowi znamy kolejne zmiany w nowej 12. testowej wersji emulatora ATARI XE/XL - Altirrza. Dopieszczony manager pozwalający podgląd obrazy dyskietek, poprawki w emulacji serca atarki.
Altirra 1.9 test 12 [changelog 26.01.2011]
- Turns out the double density disks are MyDOS format, which are subtly different from DOS 2.0/2.5... I've hacked in enough support into the Disk Explorer to open them read-only. This version also has emulation accuracy updates for CPU bugs and interrupt accuracy tweaks. It now emulates the 6502 BRK bug, and also the blocked NMI bug when enabled in CPU options, which means that it now passes all Acid800 tests. I plan to attack the ANTIC HSCROL bug next.
I was struck by both nostalgia and ambition and started to write a new 8-bit Atari emulator from scratch. This is the result.
At this point, I've learned a lot more about the Atari and Altirra now emulates more than I ever had or did years ago, but I still work on it periodically. It also serves as a modularity test for the VirtualDub code base, from which Altirra shares some components. If you are struck by nostalgia too or have a desire to do some Atari development, perhaps it might be useful to you, too.