86Box v3.1

Happy holidays. We hope you’re enjoying the season. As a gift, we’re releasing 86Box v3.1, a bugfix update fixing many of the issues reported after the release of v3.0 earlier this month.

Changelog

Emulator

• Fixed startup crash on Wine
• Reduced video texture size to improve performance on some host systems
• Replaced Win32 threads with C++11 threads to improve performance on some host systems
• Lowered the OpenGL renderer’s version requirement to 3.0, improving compatibility with older integrated graphics
• Fixed loading of OpenGL shaders with a #version directive
• Added re-synchronization of the real time clock when unpausing emulation

User interface

• Added error message when an OpenGL shader fails to load
• Fixed POST card disappearing after changing language or icon set
• Fixed file path selector bug on the New Image window
• Removed the option for a standalone MPU-401 on non-ISA/MCA systems
• Removed options for ISA RTC cards, memory expansions and ISABugger on non-ISA systems
• Updated translations: Chinese (Simplified), Croatian, French, Japanese, Korean, Portuguese (Brazil), Portuguese (Portugal), Russian, Slovenian

Machines

• Renamed Kaimei 486 to its full name Kaimei SA-486
• Renamed Soyo 4SA2 to its proper variant Soyo 4SAW2, adding VLB and PS/2 support
• Removed non-working 100 MHz bus CPUs from Microsoft Virtual PC 2007
• Fixed error 601 on IBM PC and XT when no floppy drive is installed
• Fixed incorrect display mode on the Olivetti M19
• Fixed IBM PS/1 Model 2121 ISA not being migrated when updating existing configurations
• Fixed IBM PS/2 Model 55SX memory mappings
• Fixed name for the IBM PS/2 Model 80 Type 2
• Added 486 planar and Kingston RAM upgrades to the IBM PS/2 Model 70 and 80

Hardware

• Core
  • Fixed a CPU reset issue
  • Fixed an issue with a very specific PIT counter mode
  • Fixed the Celeron being misidentified as Slot 1 by some tools
  • Added machine check flag to CPUID where available
• Display
  • Fixed missing columns on the Compaq Portable CGA
  • Fixed mapping of EGA I/O ports 3A0-3BF
  • Fixed some S3 ViRGE/GX and Trio3D identification registers
• Input
  • Reworked the generic game port joystick list, while also adding more types
  • Switched MIDI input/output to the cross-platform RtMidi library
• Sound
  • Internal fixes to the Ensoniq AudioPCI
  • Sound Blaster DSP emulation improvements ported from DOSBox-X
• Network
  • Small improvement to PCap networking stability
• Storage
  • Added NCR 53C90 MCA SCSI controller
  • Reworked Tekram DC-390 PCI SCSI controller
  • Fixed IDE hard drives being limited to mode 1 on PIO
  • Fixed ATAPI devices not being available to XTIDE controllers