A89: Preservation of flags

A89: Preservation of flags

• To: assembly-89@lists.ticalc.org
• Subject: A89: Preservation of flags
• From: Zoltan Kocsi <zoltan@bendor.com.au>
• Date: Sun, 8 Aug 1999 14:34:24 +1000 (EST)
• Delivered-To: assembly-89-outgoing@towerguard.unix.edu.sollentuna.se
• Delivered-To: assembly-89@lists.ticalc.org
• In-Reply-To: <37B02E7E@operamail.com>
• References: <37B02E7E@operamail.com>
• Reply-To: assembly-89@lists.ticalc.org

 > I need a way to push the z-flag and pop it.  What is the best way? When I mess 
 > with the SR register I get Priviledge (sp?) errors.  What is the quickest and 
 > safest way?  Would it involve the scc instructions or what?

Access the SR as a byte and you won't get prvilege violations.
Only the top byte is privileged.

Regards,

Zoltan

• A89: Preservation of flags
• From: Zach Miller <zach@operamail.com>

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