[Vm-dev] goto instruction with Cog VM

[Colin Putney]

On Mon, Nov 3, 2014 at 11:34 AM, Eliot Miranda <eliot.miranda at gmail.com>
wrote:


> If the bytecode is one that takes an integer on top of stack, and an Array
> literal containing bytecode pcs, falling through on out of range, then
> nothing other than the index need be pushed on top of stack.  That would be
> my preference.
>

I think Levante's suggestion for jumpToTop was just to take the pc from the
top of the stack, with no indirection through an Array literal. Then
jumping to a pc in an array would be

- push the array
- push the index of the pc you want
- send #at:
- jumpToTop

-Colin
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