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.TH "CXREFBAS" 1 "2024-06-17" "0.2.1" "Urchlay's Atari 8-bit Tools"
.SH NAME
cxrefbas \- Code cross-reference for tokenized Atari 8-bit BASIC files
.SH SYNOPSIS
.sp
cxrefbas [\fB\-v\fP] \fBinput\-file\fP
.SH DESCRIPTION
.sp
\fBcxrefbas\fP reads an Atari 8\-bit BASIC tokenized program. For each
line number in the program, it prints a list of lines that reference
it. Each reference is followed by a letter that indicates the type
of reference:
.INDENT 0.0
.TP
.B \fBG\fP
\fIGOTO\fP (without \fION\fP) or \fIGO TO\fP\&.
.TP
.B \fBS\fP
\fIGOSUB\fP (without \fION\fP).
.TP
.B \fBI\fP
\fIIF\fP with line number only, e.g. \fIIF X THEN 1000\fP\&.
.TP
.B \fBO\fP
\fION/GOTO\fP or \fION/GOSUB\fP\&.
.TP
.B \fBR\fP
\fIRESTORE\fP\&.
.TP
.B \fBT\fP
\fITRAP\fP\&.
.UNINDENT
.sp
If a line doesn\(aqt exist, but is referenced (e.g. \fIGOTO 100\fP, but there
is no line 100), it\(aqs printed in the table, prefixed with \fI!\fP\&.
.sp
Any command that uses a computed value for a line number will print a
warning on standard error, e.g. \fIGOTO A\fP or \fIGOSUB 100*A\fP\&. Even \fIGOTO
100+0\fP is a computed value, since BASIC doesn\(aqt do constant folding.
.sp
Line numbers above 32767, e.g. \fITRAP 40000\fP, are not listed.
.SH OPTIONS
.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
.sp
0 for success, 1 for failure.
.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
\fBa8eol\fP(1),
\fBa8utf8\fP(1),
\fBatr2xfd\fP(1),
\fBatrsize\fP(1),
\fBaxe\fP(1),
\fBblob2c\fP(1),
\fBblob2xex\fP(1),
\fBcart2xex\fP(1),
\fBcxrefbas\fP(1),
\fBdasm2atasm\fP(1),
\fBdumpbas\fP(1),
\fBf2toxex\fP(1),
\fBfenders\fP(1),
\fBprotbas\fP(1),
\fBrenumbas\fP(1),
\fBrom2cart\fP(1),
\fBunmac65\fP(1),
\fBunprotbas\fP(1),
\fBvxrefbas\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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