🚀 go-pugleaf

In article <DEVEN.89Mar25023341@daniel.pawl.rpi.edu> deven@pawl.rpi.edu (Deven Corzine) complains:
> You still haven't told me much about this; I don't understand how it
> works.  Sure, I get the general idea, but I need to know exactly how
> it all works so I can implement it correctly.  I truly hate programs
> that run fine but randomly crash the machine when they exit.  I want
> everything to work smoothly, and for that, I need to know how the Exec
> routines operate.  I'd prefer not to go digging around in the ROMs
> with a disassembler if I can avoid it.

Please do.  For Randell's sake please walk through some Exec code
with a single-stepper (but watch out for critical-section code!)
It's really very lovely stuff.

> AddTask(task,initialPC,finalPC)...
> 
> Task I understand fine.  I take it that AddTask starts off the task by
> pushing finalPC on the stack (as a return address for initialPC) along
> [etc.]

Open the door, get on the floor -- Everybody single-step their code...

> Deven
> --
> ------- shadow@pawl.rpi.edu ------- Deven Thomas Corzine ---------------------
> Cogito  shadow@acm.rpi.edu          2346 15th Street            Pi-Rho America
> ergo    userfxb6@rpitsmts.bitnet    Troy, NY 12180-2306         (518) 272-5847
> sum...     In the immortal words of Socrates:  "I drank what?"     ...I think.

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Andy Heffernan              uunet!glyph!nichiren            [1222 - 1282]
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