The x86 (IBM PC/XT) emulator has been updated - MartyPC.

Frontend Bug Fixes / Improvements
- Added 'custom' ROM feature flag to make it easier to load custom ROM extensions
- Removed bad IBM ROM definition file
- Added 'repeat' field to ROM definitions and changed IBM ROM definitions to use it - fixes 1982 5160 BIOSes
- Fixed CPU Status window updating when paused/stepping
- Fixed PIQ flush on V20 CPU
- Added Mode flag to CPU Status Window when using a V20 CPU
- Fixed --machinescan option
- Improved unique filename generation function - avoids O(n) behavior as file list grows (now O(log N), O(1) with hint)

Core Bug Fixes / Improvements
- Preliminary support for the V20's 8080 emulation mode
- Fixed VGA cursor disable bit (Ferraro reference had it backwards)
- Fixed controller support on Windows 7
- Added additional hard disk geometries to Xebec controller