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68 lines
3.0 KiB
Markdown
68 lines
3.0 KiB
Markdown
---
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layout: post
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title: "86Box v3.1"
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description: "Bugfix release for December 2021."
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authors: ["richardg867"]
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---
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Happy holidays. We hope you're enjoying the season. As a gift, we're releasing [**86Box v3.1**](https://github.com/86Box/86Box/releases/tag/v3.1), a bugfix update fixing many of the issues reported after the release of v3.0 earlier this month.
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<hr />
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## Changelog
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### Emulator
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* Fixed startup crash on Wine
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* Reduced video **texture size** to improve performance on some host systems
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* Replaced Win32 threads with **C++11 threads** to improve performance on some host systems
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* Lowered the OpenGL renderer's version requirement to **3.0**, improving compatibility with older integrated graphics
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* Fixed loading of OpenGL shaders with a `#version` directive
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* Added re-synchronization of the real time clock when unpausing emulation
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### User interface
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* Added error message when an OpenGL shader fails to load
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* Fixed POST card disappearing after changing language or icon set
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* Fixed file path selector bug on the **New Image** window
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* Removed the option for a standalone MPU-401 on **non-ISA/MCA** systems
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* Removed options for ISA RTC cards, memory expansions and ISABugger on **non-ISA** systems
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* Updated translations: **Chinese (Simplified)**, **Croatian**, **French**, **Japanese**, **Korean**, **Portuguese (Brazil)**, **Portuguese (Portugal)**, **Russian**, **Slovenian**
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### Machines
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* Renamed **Kaimei 486** to its full name **Kaimei SA-486**
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* Renamed **Soyo 4SA2** to its proper variant **Soyo 4SAW2**, adding VLB and PS/2 support
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* Removed non-working 100 MHz bus CPUs from **Microsoft Virtual PC 2007**
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* Fixed error 601 on **IBM PC** and **XT** when no floppy drive is installed
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* Fixed incorrect display mode on the **Olivetti M19**
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* Fixed **IBM PS/1 Model 2121 ISA** not being migrated when updating existing configurations
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* Fixed **IBM PS/2 Model 55SX** memory mappings
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* Fixed name for the **IBM PS/2 Model 80 Type 2**
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* Added 486 planar and Kingston RAM upgrades to the **IBM PS/2 Model 70** and **80**
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### Hardware
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* **Core**
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* Fixed a CPU reset issue
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* Fixed an issue with a very specific PIT counter mode
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* Fixed the **Celeron** being misidentified as Slot 1 by some tools
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* Added **machine check** flag to CPUID where available
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* **Display**
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* Fixed missing columns on the **Compaq Portable CGA**
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* Fixed mapping of **EGA** I/O ports `3A0`-`3BF`
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* Fixed some **S3 ViRGE/GX** and **Trio3D** identification registers
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* **Input**
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* Reworked the **generic game port joystick** list, while also adding more types
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* Switched MIDI input/output to the cross-platform **RtMidi** library
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* **Sound**
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* Internal fixes to the **Ensoniq AudioPCI**
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* **Sound Blaster** DSP emulation improvements ported from DOSBox-X
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* **Network**
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* Small improvement to **PCap** networking stability
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* **Storage**
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* Added **NCR 53C90** MCA SCSI controller
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* Reworked **Tekram DC-390** PCI SCSI controller
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* Fixed IDE hard drives being limited to mode 1 on PIO
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* Fixed ATAPI devices not being available to **XTIDE** controllers
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