Avery Lee has released an updated version of Altirra, a multi-system emulator that supports the Atari 800, 800XL and 130XE. This new version brings tons of bug fixes and well over a dozen new features.
Here's the complete changelog for Altirra 1.3 (pre14):
UPDATE: Altirra 1.3 (pre14) has now been released. The source code was not provided and the changelog was not updated. They're also discussions on the comments of the Altirra homepage that indicate that this might be the final 1.3 version before the release of 1.4.
features added- Debugger: Register pane now shows 65C816 state.
- Debugger: Added context menu to disassembly pane.
- Debugger: *.lst and *.lab symbols are automatically detected and loaded for direct-run EXEs and cartridges.
- Debugger: Improved source-level debugging capability.
- Debugger: Opcodes are now cached so that they show correctly in the history log even with bank switching.
- UI: Filter mode is now saved on exit.
- UI: Added command to copy current frame to the clipboard.
- UI: Added paddle support.
- GTIA: Optimized artifacting code.
- GTIA: Added the ability to disable collisions for cheating.
- Cartridge: Added support for 64K XEGS and 512K MegaCart cartridge types.
- Cartridge: Added support for SuperCharger 3D cartridge.
- Cassette: Added support for non-standard baud rates.
- Cassette: Added auto-boot option.
- Cassette: Device open commands are now accelerated.
bugs fixed- Simulator: More fixes to executable loader.
- Simulator: 320K memory mode now banks ANTIC along with the CPU.
- Simulator: Joystick and bank switch masking via the PIA data direction register is now supported.
- Simulator: Rewrote BASIC handling to use the OPTION switch rather than masking PORTB bit 1.
- Simulator: Reset PIA, ANTIC, and CPU on warm reset for XL hardware.
- Simulator: Self-test ROM no longer appears if kernel ROM is disabled.
- Simulator: Adjusted PAL frame rate.
- Simulator: Disk boot flag is now set when loading EXEs to accommodate programs that warm start through DOSINI vector.
- Simulator: EXE loader is more tolerant of broken files.
- CPU: Fixed many 65C02/65C816 bugs.
- CPU: Fixed emulation of NMOS 6502 decimal mode.
- CPU: Fixed bugs in undocumented instructions.
- CPU: Fixed emulation crash when switching to 65C816 on the fly.
- CPU: Fixed handling of break flag.
- CPU: Now allow one instruction to pass before taking IRQ interrupt after clearing I flag.
- Debugger: Improved handling of 65C816 modes in disassembler.
- Debugger: Debug memory reads no longer see $FF in the page where a read memory breakpoint is set.
- Debugger: Fixed bugs in symbol parser when loading MADS listings.
- Debugger: Fixed line highlighting in source windows.
- Debugger: Disassembly recomputes on 65C816 mode changes.
- Disk: Fixed bug in loading of ATR files that have non-standard boot sector counts.
- Disk: Additional compatibility fixes to DSKINV acceleration.
- Disk: Status commands are no longer delayed by the accurate disk timing option.
- Disk: Applied slight adjustment to SIO transfer rate.
- Disk: POKEY timers are now shut off after SIO/DSKINV acceleration.
- Disk: Strengthened disk image format validation and made XFD loading more tolerant.
- UI: Fixed bug in CPU mode dialog that prevented selection of 65C02 mode.
- UI: Fixed crash when accessing menu with display pane closed.
- UI: Keyboard-as-joystick logic no longer allows simultaneous up+down and left+right.
- UI: Added support for controlling joystick port 2.
- UI: Blocked invalid machine configurations with XL kernel and 800 hardware or less than 64K of memory.
- ANTIC: Fixed broken mode 9.
- ANTIC: Vertical reflect now works on modes 4-7.
- ANTIC: Player/missile DMA no longer occurs during vertical blank.
- ANTIC: Fixed behavior of vertical scrolling on blank lines.
- ANTIC: Changes in playfield width are now supported later in a scan line.
- ANTIC: Moved VCOUNT advance forward by one cycle.
- ANTIC: NMIs are now suppressed if enabled too close to trigger point.
- ANTIC: NMIs are now delayed by one cycle if enabled exactly on cycle 8.
- GTIA: Bogus missile-player collisions were reported if a register change occurred in the middle of a missile.
- GTIA: Fixed CONSOL I/O interactions on switch lines.
- GTIA: Save states now restore player/missile widths.
- HLE: DSKINV now supports double-density disks.
- HLE: Improved compatibility of post-init PORTB state.
- POKEY: Rewrote resampling filter to better block high frequencies.
- POKEY: Fixed 17-bit noise register polynomial and shift direction.
- POKEY: Initialization mode (SKCTL[1:0] == 0) now resets the low-speed clocks and polynomial shift registers.
- POKEY: Asynchronous serial receive mode no longer suspends channels 3 and 4.
You can get it from our
Altirra page.
