Subj : Re: How do I use a variable in a command
To   : Thomas
From : Anssi Saari
Date : Fri Mar 23 2018 09:49:48

Thomas <thomas.Xfggtf@m.invalid> writes:

> On the C64 I have an ML Routine that displays a directory.
> The format for the command is SYS850,"$:*"
> I need to insert a variable into the $ string. So that in a program I
> can display filenames that start with a letter.
>
> For example, I want to display all file names that start with I. so
>
> 10 A$="I":sys850,"$:"+A$+"*"
>
> will not work.
> Does anyone know a way to do this?

What about putting the whole argument into A$, does that work? So
for example just

10 A$="$:I*":sys850,A$

But really, in stock C64 basic SYS doesn't take parameters so
I suppose you have something non-stock running? So maybe you can look
into how that works to figure out how to do what you want?

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