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filedate 1977-05-17 generic text, type C, neo UTF8
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C00002 00002 Thanks for prompting me with your call. I will call Suzanne
Thanks for prompting me with your call. I will call Suzanne
tomorrow and wish her well. I have rounded up all the required documents
and they will be on their way tomorrow. The symbol between PRELOAD and
WITH is underbar. You asked about what system I intended to use this
program with. It must run on an LSI-11 in stand alone mode. Thus, the
entire calibration routine should use only an LSI-11, the extended
instruction chip (incl. floating point instructions), and 8k of RAM
memory, although a program which runs in only 4k would be even better.
You will be allowed to use a standard TI terminal, and my interface to the
force balance. Thats all. No RT-11 or other operating system would be
available, as I hope to have this program operate in the field, by a
I talked with Bruce and we discussed the use of Fortran for
Decompose and Solve. Bruce thinks that the only 11 Fortran around is
intended to operate with RT-11 or similar disk based operating systems.
Thus the assembled code would probably make many system calls. This would
be difficult to fix for use in my simple system. He thinks that you would
eat up lots of time getting things to work that way, although it would be
faster to code for a person with an RT-11 system. Id like to make this
code run on the system described above, which is the same as the arm uses.
Bruce estimates that it should take about 100 hours to get the
whole program running in the LSI-11, coding everything in PALX. With
Fortran you could same a lot of time, but it wouldnt run in the simple
system. Bruce also says that if you want, he once worked on conversion of
floating point numbers to output strings and visa-versa. The code is un
debugged, but he will round it up if you need it. This may speed things
up a bit, but you will have to debug it. Bruce has also gone over
WRIST.SAI, and has commented a copy. For a first cut, a number of
features can be eliminated to save you time, and me money. I will enclose
I probably will be able to loan you an LSI-11 when you are ready
for it. But, you will have to simulate the force balance and interface to
check your routines. I can supply typical data and results so you can
easily check yourself.
The annual AI orgy/olympics is on Friday. I will be at the lab
then, so if you want to send a message, I will see it then.