Re: A85: Memory Mapped Devices

To: assembly-85@lists.ticalc.org
Subject: Re: A85: Memory Mapped Devices
From: q-ball16@juno.com (Barry J Burns)
Date: Tue, 28 Oct 1997 22:59:28 -0600
References: <3456D4AD.EE4080EA@prodigy.net>
Reply-To: assembly-85@lists.ticalc.org

If you read up on the TI-83 ASM files, they tell you that there is no way
to directly write to the screen like in the PC. It's based on hardware
interrupts. I'm pretty sure this is how the 85 works as well.

+---------------------------------------------+
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On Tue, 28 Oct 1997 22:16:13 -0800 Keith Burzinski <tsk3000@prodigy.net>
writes:
>Does anyone know how Memory Mapping is done?  Like, for example, the
>screen on the TI-85 or 92?  I'm not looking for anything real 
>specific,
>just a somewhat general explination as to how it is done/how it works. 
>
>And actually, something more from a hardware standpoint.  ;)
>
>Thanx,
>-- 
>~Keith
>TSK3000@Prodigy.Net
>

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