20 Feb
2008
20 Feb
'08
3:47 p.m.
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.
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!
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.