Questions tagged [hp]
For questions regarding products of Hewlett Packard.
27 questions
6
votes
2
answers
1k
views
C, recursion and the HP-1000
Was there ever a C compiler for the HP-1000? If so, what did the code for function
calls look like? In particular, how did it handle recursion?
If I have properly understood the documentation I have ...
5
votes
0
answers
163
views
HP TSB program stored format
The internal representation for a HP TSB Access program is detailed in the 'Sources and Listings' Documentation ref 22687-90020. This describes (pages 5-28 & 5-29) how string variables, simple ...
2
votes
0
answers
296
views
HP 2000 Time Sharing BASIC Versions
I used HP 2000F TSB in the mid 1970's during my school years - via a remote dial-up teletype. I've now installed and have working the simh 2000F and Access systems on my computer. I have also ...
9
votes
2
answers
1k
views
Were printed manuals for HP PCL or GL ever published?
If one wants to learn about PostScript, it's possible to find copies of the "Red", "Green" and "Blue" books, which were published by Adobe.
Were similar manuals ever ...
0
votes
0
answers
130
views
Was HP's IMAGE database available on the 2100/2000 line?
I'm reading about the history of the HP 21xx series in this interview, and one thing has me confused. I never used these machines, so I can't be sure I have the context correct...
On page 5 he's ...
2
votes
1
answer
132
views
Floating point for HP 2000F TSB port to MSP430FR5994
The HP 2000F TSB system doesn't (could not, as it didn't yet exist) support IEEE 754 formats. HP's early design extends from the range of 2−(255−127)−1 to 2+(255−127)−1. The (−1) shown there is ...
2
votes
3
answers
362
views
HP 2000F TSB ported to MSP430FR5994
Preface
I'm considering the idea of porting the time-shared BASIC (TSB) that was developed by Hewlett-Packard for the HP 2000F TSB system, which used two processors at the time (one for the I/O and ...
1
vote
1
answer
204
views
"PSI" bus on HP 3000
I came across a mention of a "PSI bus" in reference to late-model HP 3000 machines. I thought this was simply a typo for "PCI bus", but a google search suggests this really was a ...
9
votes
1
answer
408
views
How did the HP 9100 use base 14?
Wikipedia's page on numeral systems claims:
14 Tetradecimal
Programming for the HP 9100A/B calculator and image processing applications; pound and stone
Exactly how did the HP 9100A/B use base 14? ...
3
votes
2
answers
220
views
What does HP Omnibook 300 error code 0302h mean?
(p. 70 in the Service manual)
6
votes
4
answers
2k
views
How was it possible to run IBM mainframe software in emulation on HP?
... At least, without getting sued into the ground?
According to one of the answers to What was the most critical supporting software for COBOL on IBM mainframes?
We installed a new HP replacing an ...
17
votes
2
answers
2k
views
How to transfer file(s) between modern Linux host and HP48 handheld calculator?
Context at the time
Handheld graphing calculator HP 48 series - Wikipedia, produced between 1990 and 2003, include infrared and serial communication ports to send and receive data and programs between ...
-3
votes
2
answers
711
views
Should I install Gentoo i586 packages on my PC? [closed]
I've recently commenced revitalizing an HP Pavilion Slim. She's running an Intel Pentium, x86_64. I thought I'd give Gentoo a go because I've found it very appealing and as a Bedrock user I wanted to ...
94
votes
10
answers
36k
views
How much better was DEC Alpha than contemporaneous x86?
The DEC Alpha, released in 1992, seems like an early implementation of a fully 64-bit microprocessor architecture. Its release led to quite a bit of both marketing hype and genuine vendor support in ...
1
vote
1
answer
372
views
How to make old keyboard more responsive
Have an old (HP Omnibook from 1993+) keyboard that feels too sluggish. It takes a little bit too much effort to press the buttons. There is no difference between individual buttons. This particular ...