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Groups > comp.sys.raspberry-pi > #26073

Re: USB card adapters crash Pi4

From Dennis <dennis@none.none>
Newsgroups comp.sys.raspberry-pi
Subject Re: USB card adapters crash Pi4
Date 2021-01-25 15:21 -0600
Organization A noiseless patient Spider
Message-ID <runcpt$9u1$1@dont-email.me> (permalink)
References (1 earlier) <rsu1c7$mce$4@dont-email.me> <rui6fs$uif$1@dont-email.me> <rui9f6$j57$2@dont-email.me> <l8DPH.45665$vO6.37178@fx47.iad> <874kj4q21e.fsf@LkoBDZeT.terraraq.uk>

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On 1/25/21 12:55 PM, Richard Kettlewell wrote:
> Scott Alfter <scott@alfter.diespammersdie.us> writes:
>> Martin Gregorie  <martin@mydomain.invalid> wrote:
>>> And yet, way back when having a PC with an 8086 in it was a sign of
>>> status, and PC financial programs where written in BASIC, the use of
>>> floating point for financial values was fairly common - but only
>>> because a 16 bit signed integer topped out at a mere GBP 327.68 OR
>>> were achingly slow because they had to use BCD or decimal encoded
>>> monetary values.
>>
>> Did the 8086 not have a BCD mode?  I only ever dealt with 8086 assembly
>> language for part of one semester in college.
> 
> It has instructions to adjust for BCD before or after the normal
> arithmetic operations.
> 
It was quite common to have a decimal adjust instruction in the early 8 
bit microprocessors. The add was done in binary and then the decimal 
adjust instruction was used to "adjust" to valid BCD.

It started with the INTEL 4004 and continued onward 8051/52, 8080, 
8086... The PIC processors had a similar DAW (decimal adjust W reg). 
Also variants in the Motorola 6800 family and the MOS Technology 6502.

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Thread

USB card adapters crash Pi4 bob prohaska <bp@www.zefox.net> - 2021-01-01 20:53 +0000
  Re: USB card adapters crash Pi4 Nikolaj Lazic <nlazicBEZ_OVOGA@mudrac.ffzg.hr> - 2021-01-01 23:32 +0000
    Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-02 00:52 +0000
      Re: USB card adapters crash Pi4 bob prohaska <bp@www.zefox.net> - 2021-01-02 02:13 +0000
      Re: USB card adapters crash Pi4 "Dave Liquorice" <allsortsnotthisbit@howhill.com> - 2021-01-02 09:49 +0000
        Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-02 12:34 +0000
          Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-02 12:51 +0000
            Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-02 13:23 +0000
              Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-02 14:52 +0000
                Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-02 17:27 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-02 18:05 +0000
                Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-02 19:45 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-02 20:41 +0000
                Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-03 05:53 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-03 14:39 +0000
                Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-03 15:41 +0000
                Re: USB card adapters crash Pi4 Joe <joe@jretrading.com> - 2021-01-03 18:38 +0000
                Re: USB card adapters crash Pi4 Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-03 19:15 +0000
                Re: USB card adapters crash Pi4 The Natural Philosopher <tnp@invalid.invalid> - 2021-01-04 03:17 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 11:33 +0000
                Re: USB card adapters crash Pi4 Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-04 12:24 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 13:58 +0000
                Re: USB card adapters crash Pi4 Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-04 10:21 -0500
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 15:33 +0000
                Re: USB card adapters crash Pi4 Björn Lundin <b.f.lundin@gmail.com> - 2021-01-23 23:03 +0100
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-23 22:54 +0000
                Re: USB card adapters crash Pi4 Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-23 18:30 -0500
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-24 14:42 +0000
                Re: USB card adapters crash Pi4 Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-23 23:31 +0000
                Re: USB card adapters crash Pi4 Scott Alfter <scott@alfter.diespammersdie.us> - 2021-01-25 17:23 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-25 18:31 +0000
                Re: USB card adapters crash Pi4 Jim H <invalid@invalid.invalid> - 2021-01-25 18:47 +0000
                Re: USB card adapters crash Pi4 Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-26 10:59 -0500
                Re: USB card adapters crash Pi4 Scott Alfter <scott@alfter.diespammersdie.us> - 2021-01-26 17:13 +0000
                Re: USB card adapters crash Pi4 mjb@signal11.invalid (Mike) - 2021-01-26 23:11 +0000
                Re: USB card adapters crash Pi4 Richard Kettlewell <invalid@invalid.invalid> - 2021-01-25 18:55 +0000
                Re: USB card adapters crash Pi4 Dennis <dennis@none.none> - 2021-01-25 15:21 -0600
                Re: USB card adapters crash Pi4 The Natural Philosopher <tnp@invalid.invalid> - 2021-01-24 09:36 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-03 19:36 +0000
                Re: USB card adapters crash Pi4 Joe <joe@jretrading.com> - 2021-01-03 21:16 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-03 22:40 +0000
                Re: USB card adapters crash Pi4 Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-03 20:44 -0500
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 11:46 +0000
                Re: USB card adapters crash Pi4 Joe <joe@jretrading.com> - 2021-01-04 09:38 +0000
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 12:03 +0000
                Re: USB card adapters crash Pi4 Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-04 11:01 -0500
                Re: USB card adapters crash Pi4 Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 17:15 +0000
                Re: USB card adapters crash Pi4 Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-04 14:03 -0500
                Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-05 06:17 +0000
              Re: USB card adapters crash Pi4 Deloptes <deloptes@gmail.com> - 2021-01-02 16:06 +0100
                Re: USB card adapters crash Pi4 A. Dumas <alexandre@dumas.fr.invalid> - 2021-01-02 16:36 +0000
                Re: USB card adapters crash Pi4 The Natural Philosopher <tnp@invalid.invalid> - 2021-01-02 16:38 +0000
                Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-02 17:29 +0000
                Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-02 17:18 +0000
                Re: USB card adapters crash Pi4 David Higton <dave@davehigton.me.uk> - 2021-01-02 20:21 +0000
            Re: USB card adapters crash Pi4 Theo <theom+news@chiark.greenend.org.uk> - 2021-01-03 10:07 +0000
              Re: USB card adapters crash Pi4 Theo <theom+news@chiark.greenend.org.uk> - 2021-01-03 18:39 +0000
          Re: USB card adapters crash Pi4 "Dave Liquorice" <allsortsnotthisbit@howhill.com> - 2021-01-02 13:08 +0000
  Re: USB card adapters crash Pi4 Jan Panteltje <pNaOnStPeAlMtje@yahoo.com> - 2021-01-02 09:10 +0000
  Re: USB card adapters crash Pi4 druck <news@druck.org.uk> - 2021-01-02 12:36 +0000
    Re: USB card adapters crash Pi4 bob prohaska <bp@www.zefox.net> - 2021-01-02 20:45 +0000

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