[ATARI] Altirra x86 i x64 3.10 test XXVI

[3] # AtariAge Altirra 3.00 | środa, 16 Maja 2018 21:05CET

[ATARI] Altirra x86 i x64 3.10 test XXVI
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Nowa wersja testowej Altirry, emulatora ATARI XE/XL/5200.  Ostatnia pełna wersja tego emulatora, jaka publicznie została udostępniona to Alirra 3.00 z 28 grudnia 2017 r.

Altirra 3.1 Beta XXVI 16/05/2018

changes

  • nw

features added

  • nw

bugs fixed

  • nw

Author's Comment:

 

  • Fix list view double-click crash.
  • Improve handling of double-clicks so that double click on checkboxes doesn't activate the item.
  • Disable boot sector field when creating disks with 512 byte sectors.
→ [ATARI] Altirra x86 i x64 3.10 test XXX
Into Deep! (1987, FRANK T. WITTENMAYER). Średnio udana próba poprawki H.E.R.O.

Altirra 3.1 Beta XXX 09/06/2018

changes

  • nw

features added

  • Debugger: .basic_rebuildvnt now has a -t option for TurboBasic XL support.
  • Disk Explorer: Added options to relax filename checking and automatically rename conflicting filenames.
  • HLE: Program loader detects conflicts with and offers to disable internal BASIC.

bugs fixed

  • nw

Author's Comment:

  • The .basic_rebuildvnt command now has a -t switch to enable TurboBasic XL label support. This allows rebuilding the VNT for protected programs that have it wiped and use TBXL labels (which otherwise would be interpreted as Atari BASIC arrays).
  • The disk explorer now has options to relax filename rules for DOS 2 compatible volumes, and will attempt to encode the names of files that don't work with the rules when copying in new files.
  • Double-clicking on a mapper in the cartridge mapper auto-confirms.
  • XEL-CF3 with the swap button is now emulated.
  • The emulator now attempts to detect if a binary program being directly loaded overlaps enabled internal BASIC, and if so will prompt to disable it. This is detected if internal BASIC is enabled and the program has a segment loading over $A000-BFFF before the first init segment.
  • Build changes: localconfig .props work again, compiler bumped to VS2017 15.7.3.
→ [ATARI] Altirra x86 i x64 3.10 test XXIX
Gorf (Roklan Corporation, 1982)

Altirra 3.1 Beta XXIX 03/06/2018

changes

  • nw

features added

  • Display: Added option for auto-switching between NTSC and PAL artifacting modes.

bugs fixed

  • Display: Fixed bug with PAL high artifacting ignoring odd hires pixels.
  • Display: Artifacting phase and saturation are now hooked up for PAL high artifacting.

Author's Comment:

  • Fixed bug in PAL high artifacting engine that caused odd hires pixels to be ignored. This was due to an optimization accidentally being turned on too often. When the emulator detects that there is no hires in a scanline, it uses a faster routine that only samples luma at half rate and uses merged pair filter kernels. For PAL high artifacting, it was accidentally running this all the time.
  • PAL high artifacting engine no longer has artifacting hue and saturation hardcoded. You may need to reset your PAL artifacting color settings as the default is likely to be pretty blown out.
  • There are now combined NTSC/PAL artifacting modes that automatically select the appropriate variation of artifacting for the current video standard. Quick review: NTSC standard artifacting emulates color from even/odd pixel patterns, PAL standard artifacting emulates chroma averaging, and the high artifacting modes do full video signal simulation.
  • Added a button to the System page of the configuration dialog to quickly toggle between NTSC and PAL. This command already existed, but you could only get to it by adding a keyboard binding.
  • Added auto-detection for 810 revision B firmware. (Thanks Nezgar for tirelessly tracking this down!)
→ [ATARI] Altirra x86 i x64 3.10 test XXVIII
Frantic (1986, Computronic)

Altirra 3.1 Beta XXVIII 28/05/2018

changes

  • nw

features added

  • nw

bugs fixed

  • POKEY: Improved accuracy of high-pass filter.

Author's Comment:

  • Rewrote POKEY rendering back-end -- high-pass now has correct half-cycle timing so PDM works without needing to fudge the cycle offset. Hopefully shouldn't have broken much and might even be a little faster.
  • Fixed Blizzard 32K cart type to use 8K banks instead of 16K banks.
  • Fixed hang when using AST 32K cart type.
  • Rewrote cart mapper dialog. It now has a checkbox to display technical details for each cart type to assist when trying to find something vaguely similar to an unknown cart.
  • Minor compiler update from VS2017 15.7.1 to 15.7.2.
→ [ATARI] Altirra x86 i x64 3.10 test XXV
Joust (Atari, Inc., 1983)

Altirra 3.1 Beta XXV 13/05/2018

changes

  • nw

features added

  • Cartridge: Added support for .CAR types 60, 67-70 (Blizzard 32K, XEGS 64K alternate, Atrax 128K raw ordered, aDawliah 32K/64K).
  • Cartridge: Added show-all override to cartridge mapper dialog.
  • Debugger: Added several new verifier modes.

bugs fixed

  • Cartridge: Fixed XEGS banking modes in The!Cart emulation.

Author's Comment:

  • Selecting color presets now resets the color matching mode.
  • Fix XEGS/SXEGS sub-emulation in The!Cart emulation -- fixed and variable banks were swapped.
  • Add some new verifier modes: loads from absolute address 0, disk I/O reads over active display list, OS calling convention violations (calling SIOV with I=1).
  • Support for cartridge types: Blizzard 32K (60), XEGS 64K alternate (67), Atrax 128K in raw ordering (68), aDawliah 32K (69), aDawliah 64K (70).
  • There is now a checkbox on the mapper dialog to override the detection if you really need to force a mapper that is not showing up (such as if the init vectors are garbage).
  • Compiler updated from VS2017 15.4.2 to 15.7.1. (What could possibly go wrong?)
→ [ATARI] Altirra x86 i x64 3.10 test XXIV
Ghost (1983, Action)

Altirra 3.1 Beta XXIII 03/05/2018

changes

  • nw

features added

  • nw

bugs fixed

  • Input: Fixed "allow Shift key to be detected on cold reset" option not working when disabled and full raw keyboard scan was enabled.

Author's Comment:

  • Rapidus low flash window is now tied to PBI enable and 6502CR is no longer cleared on warm reset.
  • Fixed a bug with the Shift key state sometimes getting out of whack on boot in full raw keyboard scan mode. This was a particularly problematic with the stock Rapidus PBI flash, which interprets any key held down as a request to go to 6502 safe mode.
  • Placeholder "you have no Rapidus OS" ROM was crashing sometimes due to having crap in standard vector locations.

Note that warm reset still won't work with the 6502 safe mode in Rapidus -- as far as I can tell, the 8-bit PBI flash doesn't have a provision for handling this and always overwrites low memory. 6502C mode enabled through the setup menu should work.

→ [ATARI] Altirra x86 i x64 3.10 test XXIII
Ion Roadway (1983)

Altirra 3.1 Beta XXIII 02/05/2018

changes

  • nw

features added

  • nw

bugs fixed

  • nw

Author's Comment:

  • Fixed certain internal ROMs not being seen as usable firmware, particularly the built-in Rapidus core PBI ROM.
  • Fixed execution history tree expand buttons not working when the pane had been scrolled horizontally.
→ [ATARI] Altirra x86 i x64 3.10 test XXII

Altirra 3.1 Beta XXII 30/04/2018

changes

  • nw

features added

  • Simulator: Added command to cold reset (power-cycle) the computer without power cycling peripherals.
  • Devices: UI now shows when a device is missing firmware.

bugs fixed

  • Debugger: 6502 coprocessors no longer show a 65C816-style 16-bit accumulator in register dumps.
  • Debugger: Fixed power-on delay option clearing pending step operations immediately after cold reset.

Author's Comment:

  • A warning now shows up in the devices tree when you have added devices that don't have required firmware.
  • Added detection signatures for Indus GT 1.1 and 1.2 firmware.
  • I.S. Plate now supports 8K firmware images as well as 4K.
  • Fixed an issue with the devices tree where double-clicking on the expand button for a device would bring up settings for that device.
  • Some minor updates to the full disk emulation part of the help file.
  • The debugger no longer shows a bogus C register for 6502 coprocessors.
  • Fixed an issue where doing a cold reset and immediately stepping in the debugger would fail if power-on delay was in effect.
  • Added an option to cold reset the computer only without also power cycling peripherals.
→ [ATARI] Altirra x86 i x64 3.10 test XXI
Sea Wolf II (1983, Epyx),

Altirra 3.1 Beta XX 26/04/2018

changes

  • nw

features added

  • nw

bugs fixed

  •  U1MB: $D500-D5BF memory is now forced on in config unlocked state.

Author's Comment:

  • Fixes random crashing related to I.S. Plate (I messed up the low RAM mirroring).
  • Fixed CCTL RAM on Ultimate1MB in unlocked mode.

The I.S. Plate, like the Happy, replaces the 6507 on the 1050 with a 6502 to increase the address space from 8K to 64K. 8K of RAM on the I.S. Plate is in the same place as Happy's 6K/8K, but the ROM is different as the Happy switches between two banks of 4K while the ISP just has 8K of flat ROM. This means that you can't just run a Happy ROM on the ISP, it has to be one written for or converted for the ISP. Happy code might work in this environment, but it would not be too hard to write code in a way that would break on a Happy emulator on the ISP.

Incidentally, Altirra currently only loads and double-maps the first 4K of the ROM; I'll expand this to optional support for 8K later.

The ISP and Happy configuration software have eerily similar interfaces. I don't know if this was just aggressive mimicry or not; checking the software disks in a hex editor didn't reveal obvious copying. The ISP diagnostic also runs much faster, to the point that I doubt whether it is even testing all of the RAM.

→ [ATARI] Altirra x86 i x64 3.10 test XVIII/XIX/XX

Altirra 3.1 Beta XX 24/04/2018

changes

  • nw

features added

  • Disk: Added full emulation for the I.S. Plate disk drive.

bugs fixed

  • nw

Author's Comment:

  • I.S. Plate emulation.
  • Fixed history state not being toggled on coprocessors when toggling master CPU history state.

Now, about the I.S. Plate....

First of all, this thing deserves an award for the most confused naming. Just in the first two pages of the device's own manual it is called the I.S. 1050 Plate, the 1050 ISP Disk Drive, the 1050 ISP, the ISP Plate, the ISP PLATE, and the 1050 ISP PLATE. I gave up trying to determine the true official name and used I.S. Plate.

Regarding the emulation, the I.S. Plate's memory map is pretty simple:

  • $0000-7FFF: 1050 $0000-0FFF mirrored 8x
  • $8000-9FFF: 8K RAM
  • $C000-DFFF: 8K RAM
  • $E000-FFFF: 4K ROM mirrored

I have no idea why the second 8K of RAM was put at $C000 instead of $A000, since it would have only needed moving a trace over by one pin on the decoder.

Accurate sector timing is forced on for I.S. Plate emulated drives. The reason is a bug in the firmware that took me a bit to work out. The firmware blindly scans for sectors during density detection for a quarter of a second and puts the sector numbers into an array without any checks. If it sees more than about 100 sectors within 0.25s the firmware overwrites its stack and crashes, due to the 1050 having pages 0 and 1 mirrored. Fortunately the firmware also has track buffering, so the read speed is generally still good. Write buffering is also supported but not enabled by default; disk copies will go pretty slowly if this is not manually enabled.

Altirra 3.1 Beta XIX 23/04/2018

changes

  • nw

features added

  • nw

bugs fixed

  • UI: Save states and SAP files now load correctly when dragged from .zip files.

Author's Comment:

  • Improved PRIOR handling in save states. The GTIA renderer was not restoring some internal state properly, so the P/M graphics rendering switched priority (though collisions didn't). There was a separate issue where loading a save state cross-version would cause a different problem with the same symptoms; that was unfortunately saved into the supplied save state, so the fixes won't make that save state work, though they should prevent it from happening again.
  • Fixed bug where save states and SAP images wouldn't load when dragged from .zip files in Explorer, or any other non-file load path was used.
  • Fixed bug where attempting to boot a save state image through Boot Image instead of Load State would reset the computer after loading the save state.

Altirra 3.1 Beta XVIII 22/04/2018

changes

  • nw

features added

  • Disk: Added option to revert a disk in virtual read/write mode back to last saved contents.

bugs fixed

  • Disk: DOS 1 format now uses correct VTOC signature.
  • Disk: Fixed directory update bug on DOS2/MyDOS disks when deleting the last file on the last directory sector.
  • Input: Fixed startup crash when DirectInput 8 is not available.

Author's Comment:

  • Fixed crash on startup in the ARM64 build. (QEMU is nearly unusably slow for this, btw.)
  • Fixed crash on startup when running within the Windows 10 recovery console -- DirectInput 8 support is now optional.
  • Fixed a bug when deleting files from DOS2/MyDOS disks in the disk explorer: the directory wasn't updated correctly if the file being deleted was the only entry at the beginning of the last directory sector.
  • Fixed wrong VTOC signature when formatting new disks in DOS 1 format.
  • Added commands to disk UI to convert disks to DOS 1 format and to reinterleave at 12:1.
  • Added command to disk UI to revert a modified disk in virtual R/W mode, discarding changes and re-reading the original, unmodified disk image.
  • Fixed sharp bilinear filter not updating properly when changing the artifacting setting. It is supposed to disable the horizontal sharpening when high artifacting is enabled and this wasn't happening if you switched the artifacting mode after already in sharp bilinear mode.

 

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