Altirra

Altirra is a open source Atari 8-Bit computer emulator.

Features

• Emulates the Atari 400/800, 1200XL, 600/800XL, 130XE, XEGS, and 5200 systems.
• Full, cycle-exact emulation of all documented hardware features.
• Best-in-class emulation accuracy of undocumented hardware behavior, including undocumented 6502 instructions, precise DMA timing, mid-screen register changes, hardware bugs, and cycle-precise timer IRQs.
• Support for most popular 8-bit image file formats: ATR, ATX, ATZ, DCM, XFD, PRO, ARC, BAS, ROM, BIN, A52, CAS, SAP.
• Contains reimplemented versions of OS, BASIC, and handler ROMs to run 8-bit software with high compatibility without needing Atari ROMs.
• Emulation of over three decades of hardware expansions, including memory expansions, cartridge expansions, Parallel Bus Interface (PBI) devices, modems, and 65C02/65C816 accelerators.
• Accurate emulation of multiple disk drive types with options for accelerated disk loads, realistic disk timing, and drive sounds.
• Flexible display with Direct3D/OpenGL acceleration, aspect ratio options, easy resizing, and artifacting support.
• Audio and video recording, cheat trainer, DOS disk explorer with drag-and-drop, and text mode copy/paste.
• Powerful debugger with label decoding, source-level stepping, conditional breakpoints/tracepoints, watchpoints, execution history with loop/call/interrupt folding, and profiling.
• Native Windows UI with theme support, per-monitor high DPI support, file associations, and DirectInput/XInput controllers.
• Both 32-bit (x86) and 64-bit (x64) versions available.

• Altirra, an 8-bit Atari computer emulator - virtualdub.org
• Altirra 3.20 released - Atari 8-Bit Computers - AtariAge Forums

• Altirra 3.90 [Windows] [32-Bit Intel] Hits: 4402 Size: 5,75 Mb
• Altirra 3.90 [Windows] [32-Bit Intel] Hits: 711 Size: 3,12 Mb
• Altirra 3.90 Test 34 [Windows] [32-Bit Intel] Hits: 762 Size: 5,75 Mb
• Altirra 3.90 Test 34 [Source Code] Hits: 361 Size: 4,41 Mb
• Altirra 3.90 Test 32 [Windows] [32-Bit Intel] Hits: 371 Size: 5,74 Mb
• Altirra 3.90 Test 32 [Source Code] Hits: 371 Size: 4,40 Mb
• Altirra 3.90 Test 31 [Windows] [32-Bit Intel] Hits: 354 Size: 5,74 Mb
• Altirra 3.90 Test 31 [Source Code] Hits: 369 Size: 4,40 Mb
• Altirra 3.90 Test 30 [Windows] [32-Bit Intel] Hits: 598 Size: 5,73 Mb
• Altirra 3.90 Test 30 [Source Code] Hits: 395 Size: 4,40 Mb
• Altirra-3.90-test29.zip Hits: 482 Size: 5,73 Mb
• Altirra 3.90 Test 29 [Source Code] Hits: 442 Size: 4,40 Mb
• Altirra-3.90-test28.zip Hits: 472 Size: 5,73 Mb
• Altirra 3.90 Test 28 [Source Code] Hits: 387 Size: 4,40 Mb
• Altirra 3.90 Test 27 [Windows] [32-Bit Intel] Hits: 411 Size: 5,73 Mb
• Altirra 3.90 Test 27 [Source Code] Hits: 327 Size: 4,40 Mb
• Altirra 3.90 Test 26 [Windows] [32-Bit Intel] Hits: 368 Size: 5,73 Mb
• Altirra 3.90 Test 26 [Source Code] Hits: 548 Size: 4,40 Mb
• Altirra 3.90 Test 25 [Windows] [32-Bit Intel] Hits: 415 Size: 5,73 Mb
• Altirra 3.90 Test 25 [Source Code] Hits: 445 Size: 4,40 Mb
• Altirra 3.90 Test 24 [Windows] [32-Bit Intel] Hits: 474 Size: 5,67 Mb
• Altirra 3.90 Test 24 [Source Code] Hits: 452 Size: 4,38 Mb
• Altirra 3.90 Test 23 [Windows] [32-Bit Intel] Hits: 423 Size: 5,66 Mb
• Altirra 3.90 Test 23 [Source Code] Hits: 414 Size: 4,37 Mb
• Altirra 3.90 Test 22 [Windows] [32-Bit Intel] Hits: 490 Size: 5,55 Mb
• Altirra 3.90 Test 22 [Source Code] Hits: 458 Size: 4,32 Mb
• Altirra 3.90 Test 19 [Windows] [32-Bit Intel] Hits: 526 Size: 5,49 Mb
• Altirra 3.90 Test 19 [Source Code] Hits: 388 Size: 4,27 Mb
• Altirra 3.90 Test 18 [Windows] [32-Bit Intel] Hits: 510 Size: 5,48 Mb
• Altirra 3.90 Test 18 [Source Code] Hits: 421 Size: 4,27 Mb
• Altirra 3.90 Test 14 [Windows] [32-Bit Intel] Hits: 424 Size: 5,47 Mb
• Altirra 3.90 Test 14 [Source Code] Hits: 558 Size: 4,26 Mb
• Altirra 3.90 Test 13 [Windows] [32-Bit Intel] Hits: 464 Size: 5,47 Mb
• Altirra 3.90 Test 13 [Source Code] (Zip) Hits: 360 Size: 4,25 Mb
• Altirra 3.90 Test 12 [Windows] [32-Bit Intel] Hits: 497 Size: 5,47 Mb
• Altirra 3.90 Test 12 [Source Code] Hits: 480 Size: 4,25 Mb
• Altirra 3.90 Test 11 [Windows] [32-Bit Intel] Hits: 364 Size: 5,48 Mb
• Altirra 3.90 Test 11 [Source Code] Hits: 388 Size: 4,26 Mb
• Altirra 3.90 Test 10 [Windows] [32-Bit Intel] Hits: 542 Size: 5,46 Mb
• Altirra 3.90 Test 10 [Source Code] Hits: 429 Size: 4,25 Mb
• Altirra 3.90 Test 9 [Windows] [32-Bit Intel] Hits: 447 Size: 5,45 Mb
• Altirra 3.90 Test 9 [Source Code] Hits: 420 Size: 4,24 Mb
• Altirra 3.20 [Windows] [32-Bit Intel] Hits: 1444 Size: 5,28 Mb
• Altirra 3.10 [Windows] [ARM] Hits: 395 Size: 2,87 Mb
• Altirra 3.20 [Source Code] Hits: 453 Size: 4,04 Mb
• Altirra 3.10 [Windows] [32-Bit Intel] Hits: 529 Size: 5,01 Mb
• Altirra 3.10 [Windows] [ARM] Hits: 390 Size: 2,68 Mb
• Altirra 3.10 [Source Code] Hits: 563 Size: 3,79 Mb
• Altirra 3.00 [Windows] [32-Bit Intel] Hits: 614 Size: 4,57 Mb
• Altirra 3.00 [Source Code] Hits: 441 Size: 3,66 Mb