[A83] Re: TI-83 Symbols

To: assembly-83@lists.ticalc.org
Subject: [A83] Re: TI-83 Symbols
From: Rob van Wijk <robvanwijk@gmx.net>
Date: Tue, 26 Feb 2002 10:27:17 +0100 (MET)
References: <DAV69dpuoRNuzI57OHF000125db@hotmail.com>
Reply-To: assembly-83@lists.ticalc.org


> 
> Does anyone know the romcall to create a symbol? I'm looking for the call
> that does the same thing as _createprog only it creates a symbol not a
> program. I am working on creating a program similar to attrib only for the
> 83. The only features I am working on are a protect/unprotect scheme (I
> have
> this working) and a hiding scheme. I have several ideas for hiding, the
> first being the basic change the first character to an unprinting char.
> The
> problem with that is I want it to be completely user-friendly (doesn't
> require a user input 1st char to unhide). I could also use different
> nonprinting chars as ID numbers (that reference the actual 1st char) but
> then the program is limited by the number of nonprinting chars. My most

Not completely sure about this, but you could just add $80 to the first
char. If I remember correctly that would make all "valid" chars "invalid".
Extra benefit is that you only need one routine, since hiding is the same
thing as unhiding.

Rob van Wijk

-- 
GMX - Die Kommunikationsplattform im Internet.
http://www.gmx.net

Follow-Ups:

[A83] Re: TI-83 Symbols

From: Patai Gergely <patai.ti@freemail.hu>

References:

[A83] TI-83 Symbols

From: "Brian Laferriere" <bmagickle@hotmail.com>