Michael Schlenker wrote:
> 
> The old code did some stowing away of values via OP_StoreMem/OP_LoadMem and 
> those have been replaced by OP_Copy etc. in the register VM. So how many 
> registers are available in the VM to push away some intermediate results?
> 

 From the documentation at http://www.sqlite.org/opcode.html we have:

The virtual machine contains an arbitrary number of registers locations 
with addresses beginning at one and growing upward. Each memory location 
can hold an arbitrary string. The registers hold all intermediate 
results of a calculation.

HTH
Dennis Cote
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