f240e8cb0c
1. The passthrough from VGA to 8514/A and/or 8514/A to VGA no longer relies on hackish places where to switch from/to, instead, relying on port 0x3c3 of VGA doing so (though the Mach8/32 still needs some places where to manually switch from/to, mainly the MCA one when configuring the EEPROM). 2. Implemented the MCA behalf of the Mach32 and its corresponding reset function. 3. Properly implemented (more or less) true color, including 24-bit BGR rendering 4. Other fixes such as color patterns and mono patterns being more correct than before in various operating systems and in 24-bit true color. 5. Implemented the onboard Mach32 video of the IBM PS/ValuePoint P60 machine. 6. Made the onboard internal video detect when it's 8514/A compatible or not (CGA/EGA/MDA/VGA/etc.). If the former is selected, then the video monitor flag is used instead (for QT). 7. The TGUI9400 and 9440, if on VLB, now detect the right amount of memory if on 2MB. 8. Initial implementation of the ATI 68875 ramdac used by the Mach32 and made the ATI 68860 8514/A aware when selected with the Mach32AX PCI. 9. Separated the 8514/A ramdac ports from the VGA ramdac ports, allowing seamless transition from/to 8514/A/VGA. 10. Fixed a hdisp problem in the ET4000/W32 cards, where it was doubling the horizontal display in 15bpp+ graphics mode. 11. Removed the 0x3da/0x3ba port hack that was on the Mach8/32 code, relying on the (S)VGA core instead. 12. Reworked and simplified the TGUI9440 pitch register based on logging due to no documentation at all.
86Box
86Box is a low level x86 emulator that runs older operating systems and software designed for IBM PC systems and compatibles from 1981 through fairly recent system designs based on the PCI bus.
Features
- Easy to use interface inspired by mainstream hypervisor software
- Low level emulation of 8086-based processors up to the Mendocino-era Celeron with focus on accuracy
- Great range of customizability of virtual machines
- Many available systems, such as the very first IBM PC 5150 from 1981, or the more obscure IBM PS/2 line of systems based on the Micro Channel Architecture
- Lots of supported peripherals including video adapters, sound cards, network adapters, hard disk controllers, and SCSI adapters
- MIDI output to Windows built-in MIDI support, FluidSynth, or emulated Roland synthesizers
- Supports running MS-DOS, older Windows versions, OS/2, many Linux distributions, or vintage systems such as BeOS or NEXTSTEP, and applications for these systems
Minimum system requirements and recommendations
- Intel Core 2 or AMD Athlon 64 processor or newer
- Windows version: Windows 7 Service Pack 1 or later
- Linux version: Ubuntu 16.04, Debian 9.0 or other distributions from 2016 onwards
- macOS version: macOS High Sierra 10.13 or newer
- 4 GB of RAM or higher
Performance may vary depending on both host and guest configuration. Most emulation logic is executed in a single thread; therefore, systems with better IPC (instructions per clock) generally should be able to emulate higher clock speeds.
It is also recommended to use a manager application with 86Box for easier handling of multiple virtual machines.
- 86Box Manager by Overdoze (Windows only)
- 86Box Manager Lite by Insanemal
- WinBox for 86Box by Laci bá' (Windows only)
- Linbox-qt5 by Dungeonseeker (Linux focused, should work on Windows though untested)
- MacBox for 86Box by Moonif (MacOS only)
It is also possible to use 86Box on its own with the --vmpath/-P command line option.
Getting started
See our documentation for an overview of the emulator's features and user interface.
Community
We operate an IRC channel and a Discord server for discussing 86Box, its development and anything related to retro computing. We look forward to hearing from you!
Contributions
We welcome all contributions to the project, as long as the contribution guidelines are followed.
Licensing
86Box is released under the GNU General Public License, version 2 or later. For more information, see the COPYING file in the root of the repository.
The emulator can also optionally make use of munt, FluidSynth, Ghostscript and Discord Game SDK, which are distributed under their respective licenses.
Donations
We do not charge you for the emulator but donations are still welcome: https://paypal.me/86Box.
You can also support the project on Patreon: https://www.patreon.com/86box.