Créé par Avery Lee (l’auteur de VirtualDub), il s’agit d’un émulateur d’Atari 8 bits (800/800XL/130XE).

[features added]

– SlightSID emulation support.
– Covox emulation support.
– 1200XL emulation support.
– BASIC programs can now be booted.
– Fast boot option now accelerates timeouts for powered down disk drives.
– Disk: Added support for format skewed ($66) command.
– Disk: Format commands ($21, $22) now support high-speed operation.
– Disk: Added emulation profile modes for various disk drives.
– Disk: Reduced ACK-to-complete delay when accurate sector timing is off.
– Disk: Added rotation and seek sound emulation.
– Disk: Accurate disk timing prediction is now preserved when burst I/O transfers are enabled.
– Debugger: Added .sum (sum memory area) command.
– Debugger: Added .warmstart command.
– Debugger: Added ap (alias pattern) command for adding aliases with patterns.
– Debugger: Added additional aliases to a8 command (set Atari800-compatible command aliases).
– Debugger: Added alternate L>addr syntax for setting an address range length based on an end address.
– Debugger: Added heat map support.
– Debugger: Added .basic_dumpline command.
– Debugger: Enter now repeats the last command.
– Debugger: .dumpdlist command now collapses runs of identical commands.
– Debugger: Unassemble and dump commands now support continuation from the last address.
– Debugger: Added deref signed byte (dsb) expression operator.
– Debugger: Added %c and %y formatting specifiers to .printf command.
– Debugger: Added .dmamap command to show ANTIC DMA pattern over the course of a frame.
– Serial: 1030 Modem support.
– Display: Added scanline display mode.
– Display: Added integer-multiple version of preserve aspect ratio sizing mode.
– Display: Added sharp bilinear filter mode.
– Display: Text can now be copied out of ANTIC modes 2, 3, 6, and 7 (GR.0, 1, and 2).
– Display: Added CIO intercept based enhanced text mode.
– HDevice: Added minimal support for SDX Get Current Directory command ($30).
– HDevice: Added support for H6-H9: text translation modes.
– HDevice: Implemented rename, get/set/create/remove directory, and get file length commands.
– HDevice/PCLink: Fixed lock command not setting read-only flag.
– Cartridge: Added MicroCalc 32K cartridge type support.
– Cartridge: Added cartridge type autodetection.
– UI: Screenshot command now adjusts for interlacing and 14MHz dot clock rendering.
– UI: The program is now marked as high DPI aware in the application manifest.
– Simulator: Added support for MapRAM MMU modification.

[bugs fixed]

– Increased paste keyboard timer to reduce dropped keys on line processing delays.
– Fixed startup crash on Sandy Bridge CPUs on Windows XP.
– Simulator: Inhibit FP math acceleration hooks when PBI ROM overlay is active.
– Simulator: BASIC disable Option key hold is now released more quickly to reduce cartridge conflicts.
– Debugger: « read » and « write » terms can now appear more than twice in a conditional breakpoint expression.
– Debugger: Fixed .tracecio off not working.
– Debugger: Fixed execution stopping on TRACE statements.
– Debugger: Breakpoint clear (bc) command no longer interprets breakpoint numbers as hex.
– Debugger: Fixed console entry window not always disabling properly.
– Debugger: .pokey command now reports correct status for secondary POKEY.
– Display: Fixed crash on some XP systems on display mode change.
– Display: Added workaround for ps1.1 precision issue on Intel graphics cards.
– Display: Fixed bicubic scaling in OpenGL mode.
– ANTIC: Fixed line buffer addressing to correctly handle aliasing of buffered data to different modes.
– POKEY: Fixed glitching in high-pass filtering.
– POKEY: Fixed wrong bit in SKSTAT being set for serial input overruns.
POKEY: Fixed asynchronous receive mode not resetting timers 3+4 that are already running.
– Disk: Fixed handling of XF551 high-speed sector skew format commands ($A1/$A2).
– Disk: Format command now sends back ACK+ERROR+buffer instead of NAK on a read-only disk.
– Disk: Adjusted step rate of 810 drive to 5.3ms.
– Disk: Fixed forced sector ordering command (.diskorder) for .pro images.
– Disk: Step delays were not always reflected correctly in command delay time (only rotational position).
– Disk: Fixed inverted write protect bit status.
– Disk: Attempted writes to a write protected disk now return errors instead of a NAK.
– Disk: Fixed command response when accessing a drive with no disk.
– Disk: Fixed error return for unsupported Write PERCOM Block requests.
– Disk Explorer: Fixed case sensitivity issue allowing duplicate file creation on DOS 2 file systems.
– Input: Fixed bug in keyboard repeat detection code.
– Input: Improved Caps Lock key support.
– Cartridge: An error is now thrown when attempting to save a cartridge image in .CAR format with an unsupported mapper.
– Cartridge: Fixed switchable XEGS cartridge modes.
– Display: Fixed display mode matching when /f is specified on the command line.
– Display: Improved behavior of interlaced mode when frames are dropped.
– CPU: Fixed cycle behavior of ASL/LSR/ROL/ROR abs,X instructions in 65C02 mode.
– HLE Kernel: Fixed BUFADR being overwritten by CIO, which broke the DOS XE executable loader.
– IDE: Fixed banking in KMK/JZ V1 mode and added 3K ROM support.
– IDE: Fixed multiple sector read requests of exactly 32 sectors.
– VBXE: Fixed memory not being cleared on cold reset with randomize function disabled.
– Serial: Fixed incompatibility with Ice-T XE and the R: handler’s STATUS handler.
– Misc: Fixed upper 4 bits for some R-Time 8 register reads.
– HDevice: Fixed NOTE and POINT commands.
– Cheats: Fixed 16-bit option not being tracked properly for manually entered cheats.
– GTIA: Sprites are now triggered properly from within horizontal blank.
– GTIA: Fixed sprite image overlap result.
– Cassette: Loading a new tape didn’t press ‘play’ on the emulated player until the next cold reset

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