PCem v12 is released. PCem is an emulator for old XT/AT-class PCs.

PCem emulates :
- IBM 5150 PC
- IBM 5160 XT
- Tandy 1000
- Generic XT clone
- Schneider EuroPC
- Amstrad PC1512
- Sinclair PC200
- Amstrad PC1640
- IBM AT
- AMI 286 clone
- AMI 386 clone
- AMI 486 clone

with 640k of RAM (8mb for AT and 286/386/486), 2 floppy drives (up to 2.88mb), 2 hard drives, CGA, MDA, Hercules, EGA (PC1640 only), VGA or SVGA, SoundBlaster, GameBlaster, GUS, and a mouse. It can run both DOS-based games and booter games.

PCem v12 Changelog:
* New machines added - AMI 386DX, MR 386DX
* New graphics cards - Plantronics ColorPlus, Wyse WY-700, Obsidian SB50, Voodoo 2
* CPU optimisations - up to 50% speedup seen
* 3DFX optimisations
* Improved joystick emulation - analogue joystick up to 8 buttons, CH Flightstick Pro, ThrustMaster FCS, SideWinder pad(s)
* Mouse can be selected between serial, PS/2, and IntelliMouse
* Basic 286/386 prefetch emulation - 286 & 386 performance much closer to real systems
* Improved CGA/PCjr/Tandy composite emulation
* Various bug fixes

Download: PCem v12
Source: Here