[A83] 16-bit subtraction

To: assembly-83@lists.ticalc.org
Subject: [A83] 16-bit subtraction
From: Matthew W Marshall <matthewwmarshall@juno.com>
Date: Tue, 25 Mar 2003 19:19:28 -0600
Reply-To: assembly-83@lists.ticalc.org

Greetings,
  For 16-bit subtraction, is there anything wrong with this?

ccf
sbc hl,de

  I tried this in a program but it doesn't seem to work.  I ended up
using dec hl in a loop.  Could anyone explain my error?  I am kind of
(read as:REALLY) new to this stuff.
thanks,
Matthew

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