ZXMAK2 v2.8.6.7 TESTSYNC 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 v2.8.6.7 TESTSYNC Changelog:
- test release with new sync approach & extended debug info graph

Download: ZXMAK2 v2.8.6.7 TESTSYNC
Source: Here