Re: 2001N/basic-4 UD3 option

From: Ethan Dicks <ethan.dicks_at_gmail.com>
Date: Tue, 24 Oct 2017 01:32:51 -0400
Message-ID: <CAALmimmMGRVsEw8QiaC8zFqaAMRzB7YAvj0tdbrfNUsEuYL-iQ@mail.gmail.com>
On Tue, Oct 10, 2017 at 3:58 PM, smf <smf@null.net> wrote:
> On 10/10/2017 19:02, Ethan Dicks wrote:
> I found the string 'AEUXSL^@DMGRF_#*VNZ' near the end of the ROM and
> it looked like a command list.

> .f needs to be followed by a string, or it gives a ? error. No idea what it
> does.

F is the find command.  It looks for strings in ranges of BASIC lines.
The docs I posted a link to show the syntax.

> .n I can't get it to do anything

'N' renumbers BASIC lines.  Params are "line area", "start line
number", and "difference"

.N 100-500, 100, 5

> .* removes the * and doesn't appear to do anything

The '*' appears to be start and stop screen copy to the (3022/4022) printer.

> Also, there's ^ and _ and *...
>
> the ^ is the up facing arrow, in vice it's the delete key. I can't make it
> do anything other than syntax error

.^"FOO" will load and run program "FOO", presumably on device 8.  Same
as DOS Wedge.

> the _ is the left facing arrow, in vice it's the top left of the keyboard.
> which kinda looks like
>
> .<- needs to be followed by a number, which I think is a file handle as you
> get a ?file not open error if you then press enter on a blank line

Yes.  It redirects the output of commands that make output to the
printer or, I think, a file on the floppy drive.

-ethan

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Received on 2017-10-24 06:01:48

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