- fix Spectrum+3 ULA timing
- if Direct3D is not available, draw warning on black background
- add Keyboard Help window
- fix kempston mouse (swap left/right buttons)
- add Pentagon 1024 memory module
- add shadow rom support for Pentagon 512/1024
- fix to avoid NMI conflict between memory/BDI (Scorpion, Pentagon 512/1024)
- project structure and namespace refactoring
NOTE: this version uses new device namespaces, so if you have VMZ file from previous version, please delete it!