HP-21MX bootstrapping?

Tim Riker Tim at Rikers.org
Wed Feb 20 17:47:44 CST 2008


Glen Slick wrote:
> HP 1000 E-Series and F-Series
> Computer Microprogramming
> Reference Manual
> 
> http://www.bitsavers.org/pdf/hp/1000/2109-90004_1000EF_uPrgRef_Apr80
> (.pdf extension missing on this file? rename as .pdf)
> 
> Appendix G, Page 8, INITIAL BINARY LOADER firmware listing.
> 
>>From a quick scan of the comments it appears that the IBL firmware
> handler recognizes I/O instructions as it unpacks them from the loader
> PROM and fixes them up on the fly if the select code is less than 10.

So much good info to read. I had pulled down this file before, but not 
gotten to reading it. Very interesting stuff. Thanx!

-- 
Tim Riker - http://Rikers.org/ - TimR at Debian.org
Embedded Linux Technologist - http://eLinux.org/
BZFlag maintainer - http://BZFlag.org/ - for fun!



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