### Debug Flags

Enable capability mask | CAPMASK |
Full RECT Blit | FULLRECTBLT | Causes every blit operation to primary surface to be applied to the full surface (NULL rect coordinates). It could be handy to recover wrong surface handling.
Center to Window | CENTERTOWIN |
Force D3DCMP_ALWAYS setting | ZBUFFERALWAYS |
Force hot patching | HOTPATCHALWAYS |
Freeze injected son process | FREEZEINJECTEDSON |
Stress resources | STRESSRESOURCES |

### Debug Mode Logs

Start with toggle | STARTWITHTOGGLE | Initialize custom key toggle to active.
Assert Dialog | ASSERTDIALOG |
Dump DIB Sections | DUMPDIBSECTION | Debug utility making up-side-down images of DIBs with negatve height.
Dump Device Context | DUMPDEVCONTEXT |
Dump CPUID | DUMPCPUID |
Capture screenshots | CAPTURESCREENS |

### Visual Flags

Suppress ddraw Blt to primary | NODDRAWBLT |
Suppress ddraw Flip | NODDRAWFLIP |
Suppress GDI Blt | NOGDIBLT |
Do not Blt to primary | NOBLT |
Use FastBlt to primary | DOFASTBLT |
Highlight blit to primary | MARKBLIT |
Highlight Locked surfaces | MARKLOCK |
Highlight WinG32 operations | MARKWING32 |
Highlight GDI32 operations | MARKGDI32 |

### D3D tweaks

Patch execute buffer | PATCHEXECUTEBUFFER |
Force ZBuffer ON | FORCEZBUFFERON |
Force ZBuffer OFF | FORCEZBUFFEROFF |