Fields:
-* **SVxd** - SV REMAP "xdim"
-* **SVyd** - SV REMAP "ydim"
-* **SVzd** - SV REMAP "zdim"
+* **SVxd** - SV REMAP "xdim" (X-dimension)
+* **SVyd** - SV REMAP "ydim" (Y-dimension, sometimes used for sub-mode selection)
+* **SVzd** - SV REMAP "zdim" (Z-dimension)
* **SVRM** - SV REMAP Mode (0b00000 for Matrix, 0b00001 for FFT etc.)
* **vf** - sets "Vertical-First" mode
* **XO** - standard 6-bit XO field