From: Hyman Rosen <hyrosen@mail.com>
Subject: Re: Floating Decimal Package/Library?
Date: Wed, 24 Jul 2002 11:43:03 -0400
Date: 2002-07-24T11:43:03-04:00 [thread overview]
Message-ID: <1027525383.829953@master.nyc.kbcfp.com> (raw)
In-Reply-To: 3D3EC569.613EE332@san.rr.com
Darren New wrote:
> The 6502 let you add two BCD digits using a binary add, then had an
> instruction (adjust decimal?) that would look at the half-carry flag and
> convert it back to BCD with the appropriate carry bit set.
The 80x86 processors also have decimal instructions.
AA[ASMD] adjust after unpacked decimal operations.
DA[AS] adjust after packed decimal operations.
next prev parent reply other threads:[~2002-07-24 15:43 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-12 17:19 Floating Decimal Package/Library? Warren W. Gay VE3WWG
2002-07-12 22:58 ` Robert Wessel
2002-07-12 23:30 ` Dann Corbit
2002-07-15 13:34 ` Warren W. Gay VE3WWG
2002-07-16 5:04 ` Robert C. Leif
2002-07-16 7:01 ` tmoran
2002-07-16 15:50 ` Robert C. Leif
2002-07-17 1:24 ` tmoran
2002-07-17 2:53 ` Robert C. Leif
2002-07-17 4:41 ` tmoran
2002-07-17 16:30 ` Warren W. Gay VE3WWG
2002-07-17 22:09 ` tmoran
2002-07-29 17:05 ` Warren W. Gay VE3WWG
2002-07-29 17:41 ` tmoran
2002-07-30 8:58 ` Jean-Pierre Rosen
2002-07-30 16:20 ` John H. Lindsay
2002-07-16 16:32 ` Pascal Obry
2002-07-16 17:53 ` Warren W. Gay VE3WWG
2002-07-17 1:24 ` tmoran
2002-07-17 8:28 ` Vadim Godunko
2002-07-17 13:32 ` Warren W. Gay VE3WWG
2002-07-22 23:33 ` Robert I. Eachus
2002-07-23 13:16 ` Marin David Condic
2002-07-24 15:18 ` Darren New
2002-07-24 15:43 ` Hyman Rosen [this message]
2002-07-24 16:17 ` Fraser Wilson
2002-07-17 13:30 ` Warren W. Gay VE3WWG
2002-07-13 21:55 ` Björn Lundin
2002-07-15 13:37 ` Warren W. Gay VE3WWG
2002-07-17 21:56 ` Waldek Hebisch
2002-07-18 14:13 ` Robert C. Leif
2002-07-19 14:41 ` Waldek Hebisch
2002-07-19 17:29 ` Warren W. Gay VE3WWG
2002-07-19 21:50 ` Waldek Hebisch
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox