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Re: BCD Is Wrong on Intel?

Subject: Re: BCD Is Wrong on Intel?
From: Linards Ticmanis <ticmanis@coli.uni-sb.de>
Date: Sun, 18 May 2003 05:56:31 +0200
In-reply-to: <KWSdnaHwHduXalujXTWcpQ@texas.net>
Newsgroups: comp.sys.apple2
Organization: University of Saarland, Computing Center, Germany.
References: <KWSdnaHwHduXalujXTWcpQ@texas.net>
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Bryan Parkoff wrote:

>     It is possible that Intel's DAA and DAS instrutions are designed wrong
> by Intel.  Do you think that it should be fixed?  Should I notify Intel?

Correct = What the software expects.

The software expects the behaviour that has been there all the time. So
the answer is no.

And: The Intel-ish processors like the 8080 simply handle BCD different
from the Motorola-ish ones like the 6502.

-- 

Linards Ticmanis

 The Master said, "The business of laying on the colors follows the
preparation of the plain ground."

References:
- BCD Is Wrong on Intel?
  - From: "Bryan Parkoff" <spam>

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