VIDV


 Range
 L Flag
 L Offset
 U Flag
 U Offset
Increment


List
 No. of Offsets
 First Offset
 Weight
 Second Offset
 Weight



 etc.


 FIGURE 5-2

VARIABLE INDEX DEFINITION VECTOR


 Length
 Pointer to FIDV
 Pointer to IDMPV
 Output Flag
 Output Offset
Range or List Flag
 Direction Flag

 Z hng