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

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

• To: <assembly-83@lists.ticalc.org>
• Subject: [A83] Re: Point of making your own lcd_busy?
• From: "Henk Poley" <hpoley@dds.nl>
• Date: Sat, 8 Feb 2003 19:33:29 +0100
• Reply-To: assembly-83@lists.ticalc.org

> Van: Patai Gergely <patai_gergely@fastmail.fm>
> 
> > Use:
> > 
> >    EX (SP),HL
> >    EX (SP),HL
> > 
> This seems to be a very good idea, but you shouldn't forget to disable
> interrupts (e. g. during the screen to LCD function) if you use it.

Why?

It changes the data _at_ the SP, not SP itself.

[Replying yourself:]
> Please ignore my stupidity. I just disable interrupts too often. :)))

Okay. Just told the newbies why it's not needed :-)

	Henk Poley <><

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

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