Allison wrote:
The choice of what to build is always tough as there
are
so many choices. In the end I started with very simple
state machines and microprogrammed controllers and gradually
decided what capability was missing and how best to achieve
it based on what I knew and had done.
Looking at many of the old 16 bit computers from bitsavers
you sure have a lot of diffent ideas of just what important
features are.
Slowly. ;) Single stepping would just mean if there
was
an INT pending you would see all the steps and the adress
changes involved. Or as I was told once, "Your the engineer,
what do you want it to do?".
Keep as much magic smoke inside as possible.
Allison