ZXMAK2 v2.7.2.1 Beta is released. ZXMAK2 is plugin based ZX Spectrum Virtual Machine. On the other side, this is flexible ZX Spectrum emulator. Project written in C#. Currently it works on Windows platform and using Managed DirectX.

Support the following ZX Spectrum clones:
- ZX Spectrum 48 (later model contended memory)
- ZX Spectrum 128 (later model contended memory)
- Pentagon 128
- SCORPION 256
- ATM 450
- PROFI 5xx
- QUORUM 256
- Leningrad 1
- Other (through custom configuration and plugins, for example LEC mod)

ZXMAK2 v2.7.2.1 Beta Changelog:
- fix ROM loader to support clipped RAW images
- ATM memory: add ADC READY bit emulation (needs for mARTtest.rom)
- source: move general debugger UI classes to Hardware/General
- source: small refactoring for engine (added support of complex breakpoints)
- added new debugger (Adlers)
- fix reset stuck (breakpoint->open debugger->no-key up event)
- add new ULA device for Scorpion Green PCB (vertical timing - tested, horizontal timing not tested yet)

Download: ZXMAK2 v2.7.2.1 Beta
Source: Here