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ATR, DCM, ATX, and PRO formats
- Specifically, disk images are supported in ATR, DCM, ATX, and PRO formats; some simple cartridge types are also supported, and you can directly load Atari executables as well (.obx/.xex).
Dec 30, 2023 · Cassette: Added support for paired .data.cas+.audio.ogg files for more compact tape storage. Debugger: Added keyboard shortcuts to memory window. Printer: ATASCII special characters are now converted to Unicode equivalents.
- Altirra 4.00 released
Disk: Atari 815 emulation, 8" disk geometry support, Disk...
- Altirra 4.00 released
- Features
- Before You Begin
- System Requirements
- Downloads
- Acid800 Test Suite
- Reference Manual
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...Support for most popular 8-bit image file formats: ATR, ATX, ATZ, DCM, XFD, PRO, ARC, BAS, ROM, BIN, A52, CAS, SAP.Altirra is designed with emulation quality in mind, sometimes over speed and polish. It's designed as a system emulator and debugger instead of a games machine, so there is some setup involved. There is a README file in the archive, but here are some quick tips: First: Software.you need some actual 8-bit Atari (not Atari ST!) software to run. If yo...
Altirra has relatively few system requirements: 1. Windows 7, 8, 8.1, 10, 11 or later, either 32-bit (x86) or 64-bit (x64 or ARM64). (Windows RT not supported) 2. Intel Pentium 4 or AMD Athlon 64 CPU or better (SSE2 required), or Qualcomm Snapdragon 835 or newer (ARM64 version). 3. Graphics card supporting DirectX 9.0 with pixel shader 2.0 or later...
Altirra is licensed under the GNU General Public License (GPL), version 2. Binaries, i.e. stuff you can run (all local downloads): Source code (i.e. stuff programmers can modify and compile). This includes the source code to AltirraOS, Altirra BASIC, and all of the utilities on the Additions disk.
Acid800 is a test suite designed to stress 8-bit Atari emulators. It tests a wide variety of program-visible hardware behaviors and reports any deviations from actual hardware behavior, such as missing features or incorrect timing. Acid800 can be run either as a full suite or as standalone tests, with symbols and source included. Also included are ...
Hardware reference manual
This is a document describing all of the interesting behavior I've discovered in the Atari 8-bit hardware.
BASIC reference manual
This is the manual for Altirra BASIC, the BASIC interpreter embedded within the emulator.
Nov 14, 2021 · Disk: Atari 815 emulation, 8" disk geometry support, Disk Explorer can now access files in Indus CP/M images, many full disk drive emulation fixes. Display: Palette solver, monochrome mode, HDR display support, ANTIC fixes.
Oct 9, 2020 · I was under the impression that Atari 800 games came in three forms: Cart Files - ROM/COM/XEX/CART. Disk Files - ATR/ATX. Tape Files - CAS. But then I stumbled upon some COM games that (according to AtariMania) were never released on cartridge: Air Support, Desmond's Dungeons, Encounter, Ghost Chaser, Zeppelin.
Based on this practical association between the emulator support and what binary image formats and extensions are really viable, I offer this list, which comes directly from Altirra documentation. Support for most popular 8-bit image file formats: ATR, ATX, ATZ, DCM, XFD, PRO, ARC, BAS, ROM, BIN, A52, CAS, SAP.
Altirra BASIC comes in two forms, an 8KB cartridge ROM image (atbasic.bin) and a DOS executable (atbasicx.xex). Both start the same BASIC interpreter, with minor differences.
People also ask
What file formats does altirra support?
Does altirra support 8-bit executables?
Does altirra support XEX files?
Does altirra BIOS work with a disk or tape image?
What is altirra BASIC ROM?
Is altirra a good emulator?
Altirra is the best Atari 8-bit emulator we have seen so far, for playing Atari 8-bit games on a Windows PC. Latest version 4.20 (29 December 2023) Works on Windows 11, Windows 10 and older (32/64 bits) Emulates Atari 400/800/1200XL/600XL/800XL/65XE/130XE/5200, depends on the used ROM file. Supports CAS cassette files, BIN and CAR cartridge ...
