Re: A86: Re: _clrScrn

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: Re: _clrScrn
From: "Dux Gregis" <assets@eden.rutgers.edu>
Date: Mon, 9 Nov 1998 01:27:57 -0500
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org



All those characters use the square block char ... take a look at popchar.


>
>Really?  I looked at the character set listed in the help file of
>Assembly Studio 86, and it didn't list any characters associated with
>the last few numbers before 255, so I assumed there weren't any.  So I
>used 255, 250, and 245.  They seem to show up as black dots.
>
>Dux Gregis wrote:
>>
>> What do you mean?  There's no such thing as unprintable byte; every byte
has
>> an ascii char associated with it.
>>
>> >
>> >I intentionally used unprintable bytes so that they could not be
>> >confused with anything already in _textShadow.
>> >
>> >>_textShadow shadows text, so if text shadow wasn't cleared by _clrScrn,
>> you
>> >> would see text, not black dots.  Who knows what the dots are from
>> >>