A83: Negative numbers

To: assembly-83@lists.ticalc.org
Subject: A83: Negative numbers
From: benjamin99@juno.com (Alan C Johnson)
Date: Sun, 20 Sep 1998 16:00:16 -0500
Delivered-To: assembly-83-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-83@lists.ticalc.org


How does the processor know when a number is negative?  How does TASM
compile a negative number as opposed to an unsigned number?  Also, what
are all of the system flagsand what are their purposes?  All I know now
are zero, carry and parity.  Can any register set the parity flag?

						Thanks,
						Alan
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