Skip to main content

Questions tagged [hp]

For questions regarding products of Hewlett Packard.

Filter by
Sorted by
Tagged with
92 votes
10 answers
34k 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 ...
Brian H's user avatar
  • 60.9k
20 votes
1 answer
2k views

Did Hewlett Packard really allow the use of the HP48 ROMs in emulators?

On the FAQ of the emu48 software, a famous emulator for HP38/39/40/48/49 calculators (https://hp.giesselink.com/emu48faq.htm#ROM), we can find the following assertion: In general all HP-ROM files are ...
dim's user avatar
  • 1,618
16 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 ...
Stéphane Gourichon's user avatar
10 votes
4 answers
463 views

What was the value of the HP/1000 repeated indirection capability?

The HP/1000 was considered like a 16-bit "expansion" of the 12-bit DEC PDP-8.  Its addressing mode for loads and stores similarly used pages, base page and current page, and allowed for ...
Erik Eidt's user avatar
  • 3,357
10 votes
2 answers
1k views

What CPU did the HP85 have?

The HP 85, the portable scientific computer from Hewlett Packard in the 1970s, didn't use an off-the-shelf CPU like a Z80 or 8088. Instead, HP designed a custom CPU and used that. Was this CPU used ...
Omar and Lorraine's user avatar
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 ...
Peter Russell's user avatar
9 votes
4 answers
2k views

Early programmable calculators with RS-232

In the early seventies, companies like HP and Wang sold 'programmable desktop calculators' that were really personal computers in the time before what is usually thought of as the dawn of personal ...
rwallace's user avatar
  • 63.1k
9 votes
3 answers
694 views

Copying disk image from HP 9122D drive

I have a HP 9122D (EDIT: its actually a 9133) combo disk drive connected to an HP 9000 model 310 computer running Basic 4.0. This setup is used to control a few machines. The hard drive is getting ...
AMiller's user avatar
  • 315
9 votes
1 answer
373 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? ...
DrSheldon's user avatar
  • 16.4k
8 votes
2 answers
2k views

Why don't manufacturers make handheld computers like the Jornada 720 any more? [closed]

One of my favorite PCs in old times were HP Jornada handheld pcs(680, 720) - perfect match of usable hardware keyboard, large-enough screen, protected by keyboard when closed, and usable OS designed ...
Stanislav Orlov's user avatar
8 votes
2 answers
866 views

Instruction set support for multiplication with a constant

Before integer multipliers in silicon, several cpus had some support for multiplication. For instance SPARCv7 has the MULScc multiply-step instruction (several other cpus also have this). As far as ...
Baard's user avatar
  • 323
8 votes
1 answer
515 views

Determine Character Encoding used on HP 9000 Model 310 running BASIC 5.1

With the help of this community, I was able to copy and emulate a HP9133 HD using Hpdir and Hpdrive. Now, I want to edit, or at the bare minimum, read the programs on the HD. I have extracted the ...
AMiller's user avatar
  • 315
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 ...
rwallace's user avatar
  • 63.1k
6 votes
3 answers
975 views

When did computers stop needing to be marketed as calculators?

According to https://en.wikipedia.org/wiki/Hewlett-Packard_9100A The Hewlett-Packard 9100A (hp 9100A) is an early programmable calculator[3] (or computer), first appearing in 1968. HP called it a ...
rwallace's user avatar
  • 63.1k
6 votes
2 answers
4k views

How to access old laptop IDE hard drive

I have an old IDE hard drive from a Windows 98 HP computer. It has some data on it but I do not know how to access it.
Suici Doga's user avatar
5 votes
0 answers
145 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 ...
hptsb's user avatar
  • 125
4 votes
2 answers
542 views

Getting a disk image off of a HP 9133 drive

I have a HP 9133 combo disk drive connected to an HP 9000 model 310 computer running Basic 4.0. This setup is used to control a few machines, and does not have a floppy inserted. The hard drive is ...
AMiller's user avatar
  • 315
3 votes
2 answers
202 views

What does HP Omnibook 300 error code 0302h mean?

(p. 70 in the Service manual)
Tomas By's user avatar
  • 2,102
2 votes
3 answers
282 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 ...
jonk's user avatar
  • 170
2 votes
1 answer
190 views

Sources for HP's A Graphics Language?

I'm poking about in the usual places, but not having any luck, does anyone have any good introductory information for HP's AGL, "A Graphics Language"?
Maury Markowitz's user avatar
2 votes
0 answers
187 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 ...
hptsb's user avatar
  • 125
2 votes
1 answer
118 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 ...
jonk's user avatar
  • 170
1 vote
1 answer
190 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 ...
Maury Markowitz's user avatar
1 vote
1 answer
326 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 ...
Tomas By's user avatar
  • 2,102
0 votes
0 answers
117 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 ...
Maury Markowitz's user avatar
-3 votes
2 answers
646 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 ...
Bobbbay's user avatar
  • 95