[A83] Re: Point of making your own lcd_busy?

[A83] Re: Point of making your own lcd_busy?

• To: "Assembly-83 list" <assembly-83@lists.ticalc.org>
• Subject: [A83] Re: Point of making your own lcd_busy?
• From: "Patai Gergely" <patai_gergely@fastmail.fm>
• Date: Sat, 08 Feb 2003 19:57:02 +0100
• In-Reply-To: <5.1.0.14.0.20030208134857.00aa9110@mail.comcast.net>
• References: <5.1.0.14.0.20030208134857.00aa9110@mail.comcast.net>
• Reply-To: assembly-83@lists.ticalc.org

> >It changes the data _at_ the SP, not SP itself.
> 
> Indeed.  Even if an interrupt did go off between the statements, an 
> interrupt that wouldn't crash the calc anyway would point SP back where
> it should be after.  So, unless there is an interrupt that messes with 
> non-shadow HL, its safe.

That's what I realised myself about 0.1 sec after sending the mail. :)

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• [A83] Re: Point of making your own lcd_busy?
• From: Tijl Coosemans <tijl@ulyssis.org>

• [A83] Re: Point of making your own lcd_busy?
• From: Gavin Olson <gtolson@comcast.net>

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