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.TH "PROTBAS" 1 "2024-07-21" "0.2.1" "Urchlay's Atari 8-bit Tools"
.SH NAME
protbas \- LIST-protect Atari 8-bit BASIC programs
.SH SYNOPSIS
.sp
protbas [\fB\-v\fP] [\fB\-nc | **\-nv\fP] [\fB\-s\fP] [\fB\-xr\fP | \fB\-xNN\fP] \fBinput\-file\fP \fBoutput\-file\fP
.SH DESCRIPTION
.sp
\fBprotbas\fP reads a tokenized Atari 8\-bit BASIC program and writes a
LIST\-protected copy of the program. See the \fBDETAILS\fP section of the
\fBunprotbas\fP(1) man page, to understand how the protection works.
.sp
\fBinput\-file\fP must be a tokenized (SAVEd) Atari BASIC program. Use
\fI\-\fP to read from standard input, but \fBprotbas\fP will refuse to
read from standard input if it\(aqs a terminal.
.sp
\fBoutput\-file\fP will be the protected tokenized BASIC program. If it
already exists, it will be overwritten. Use \fI\-\fP to write to standard
output, but \fBprotbas\fP will refuse to write to standard output if
it\(aqs a terminal (since tokenized BASIC is binary data and may confuse
the terminal).
.sp
The code protection works by adding a line 32767 to the program, with
a bad next\-line pointer. This will fail if there\(aqs already a line
32767.
.SH OPTIONS
.sp
Options may appear in any order. The first non\-option argument is used
for \fBinput\-file\fP; the second is \fBoutput\-file\fP\&. A third non\-option
argument is an error.
.SS Protection Options
.INDENT 0.0
.TP
.B \fB\-nc\fP
Do not code\-protect the program; only protect the variable names.
.TP
.B \fB\-nv\fP
Do not protect the variable names; only code\-protect the program.
.TP
.B \fB\-s\fP
Shrink variable name table to minimum size, one byte per variable
name. Programs protected this way are very similar to ones
protected with \fBPROTECT.BAS\fP\&.
.TP
.B \fB\-xr\fP, \fB\-x\fP \fINN\fP
Character to use for variable name protection. \fINN\fP is the
character code in hex, e.g. \fB\-x20\fP to use a space. Default is
\fB9b\fP (the EOL character). \fB\-xr\fP means random codes.
.UNINDENT
.SS General Options
.INDENT 0.0
.TP
.B \fB\-\-help\fP
Print usage message and exit.
.TP
.B \fB\-\-version\fP
Print version number and exit.
.TP
.B \fB\-v\fP
Verbose operation. When displaying a number in verbose mode, it will
be prefixed with \fI$\fP if it\(aqs in hex, or no prefix for decimal.
.UNINDENT
.SH EXIT STATUS
.INDENT 0.0
.TP
.B 0
\fBinput\-file\fP was unprotected, protection was successful.
.TP
.B 1
I/O error, or \fBinput\-file\fP isn\(aqt a valid BASIC program.
.TP
.B 2
\fBinput\-file\fP is already a protected BASIC program.
.UNINDENT
.SH COPYRIGHT
.sp
WTFPL. See \fI\%http://www.wtfpl.net/txt/copying/\fP for details.
.SH AUTHOR
.INDENT 0.0
.IP B. 3
Watson <\fI\%urchlay@slackware.uk\fP>; Urchlay on irc.libera.chat \fI##atari\fP\&.
.UNINDENT
.SH SEE ALSO
.sp
\fBa8cat\fP(1),
\fBa8eol\fP(1),
\fBa8xd\fP(1),
\fBatr2xfd\fP(1),
\fBatrsize\fP(1),
\fBaxe\fP(1),
\fBbas2aplus\fP(1),
\fBblob2c\fP(1),
\fBblob2xex\fP(1),
\fBcart2xex\fP(1),
\fBcxrefbas\fP(1),
\fBdasm2atasm\fP(1),
\fBdiffbas\fP(1),
\fBdumpbas\fP(1),
\fBf2toxex\fP(1),
\fBfenders\fP(1),
\fBlistbas\fP(1),
\fBprotbas\fP(1),
\fBrenumbas\fP(1),
\fBrom2cart\fP(1),
\fBunmac65\fP(1),
\fBunprotbas\fP(1),
\fBvxrefbas\fP(1),
\fBwhichbas\fP(1),
\fBxex1to2\fP(1),
\fBxexamine\fP(1),
\fBxexcat\fP(1),
\fBxexsplit\fP(1),
\fBxfd2atr\fP(1),
\fBxex\fP(5),
\fBatascii\fP(7).
.sp
Any good Atari 8\-bit book: \fIDe Re Atari\fP, \fIThe Atari BASIC Reference
Manual\fP, the \fIOS Users\(aq Guide\fP, \fIMapping the Atari\fP, etc.
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