[<<][am335x][>>][..]
Thu May 24 17:06:05 EDT 2018

Parameterizing the emulator Writer monoid

Would be good for instrumentation.

Will require some type->data changes + instances.

This is actually a lot of work to push that parameter all the way down
and add tagging everywhere.  There must be a simpler way.


What is it I actually want to do.  I want to record time stamps of
particular events.  Why not use (String,MachineState)?

EDIT: Trying some more things.  Currently it is not possible to
interleave pseudo ops that do not take instruction space.  It doesn't
seem straightforward to change this.  I'm already getting into the
"implementation is law" part of this project it seems.

Anyway, it is possible by modifying the Map.  Probably a good idea to
implement.  This requires "zero width" instructions.


EDIT: Working.  Maybe try parameterizing the log anyway?

This is the trick:
{-# LANGUAGE GeneralizedNewtypeDeriving #-}



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