Assembly on a Apple IIc+

From: Ron Hudson <rhudson_at_cnonline.net>
Date: Sat Feb 8 09:47:00 2003

On Friday, February 7, 2003, at 03:25 PM, Sellam Ismail wrote:

> On Fri, 7 Feb 2003, Hans Franke wrote:
>
>>> Any calls to position the cursor?
>>
>> $20-$23 Window size
>> $24,25 Cursor
>
> Not that just setting these addresses does not automatically move the
> cursor. You must also call $FBC1, which calculates the base address of
> the screen memory where the cursor is and updates the requisite zero
> page
> addresses.
>
>> After all RTFM ! THe manual did list all of this and more. including
>> the
>> Monitor ROM listing.
>
> Ron, I have a copy of the DOS manual if you need it.

Thanks! I only have the Applesoft Basic manual.
I think I can also get the AppleII user's manual, is that good enough
given that I
have an Apple IIC+?



>
> Sellam Ismail Vintage Computer
> Festival
> -----------------------------------------------------------------------
> -------
> International Man of Intrigue and Danger
> http://www.vintage.org
>
> * Old computing resources for business and academia at
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Received on Sat Feb 08 2003 - 09:47:00 GMT

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