HP 21MX toggle-in programs?

[Dwight K. Elvey]

>From: "Jay West" <jwest at classiccmp.org>
>
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>
>I can't believe the 21MX M or E user guide isn't online, but I don't see it 
>anywhere. You'll definitely need that book!
>
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Hi Jay
 It seems like there is some manual on Al's site that describes
the 2100 instructions. As I recall, there was nothing specifically
for the 21MX, though.
 I entered a few instruction on my machine and they seemed to work.
I also looked at some of the boot ROM's and the instructions
match. I'd load the boot ROMs and then just inspect the code.
 I can't recall which manual it was without checking at home.
Dwight