ZXMAK.NET v2.4.2.0 Beta is released. ZXMAK.NET is the Free .NET ZX Spectrum Emulator, written in C#. ZXMAK.NET is an emulator of the 1980s home computer and various clones, that can work on various platforms with .NET environment.

ZXMAK.NET v2.4.2.0 Beta Changelog:
- fix NumPadPeriod key on Quorum Keyboard
- cut border size for ULA Quorum (now display is 320x240 - good for fullscreen)
- fix norom mode for Memory PROFI
- added Tools->Memory Map window
- added ULA ATM450 (beta) with 640x200 video mode
- added Memory ATM450 512K



Download: ZXMAK.NET v2.4.2.0 Beta
Source: Here