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176 lines
4.5 KiB
Groff
176 lines
4.5 KiB
Groff
.\" Man page generated from reStructuredText.
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.TH DIS6502 1 "2017-09-08" "0.12" "SlackBuilds.org"
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.SH NAME
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dis6502 \- Disassemble 6502 object code
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.\" RST source for dis6502(1) man page. Convert with:
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.
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.\" rst2man.py dis6502.rst > dis6502.1
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.
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.\" rst2man.py comes from the SBo development/docutils package.
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.
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.SH SYNOPSIS
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.sp
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dis6502 [\fI\-b\fP | \fI\-l\fP | \fI\-c\fP | \fI\-r <address>\fP] [\fI\-a\fP] [\fI\-p <pfile>\fP] [\fI\-v <address>\fP] [\fI\-7\fP] \fIfile\fP
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.SH DESCRIPTION
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.sp
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Dis6502 disassembles 6502 binary files. Binary formats understood include
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Atari binary files (L menu command) and boot files. Equate and control
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files can be included via the option to name well known locations and to
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control the disassembly process. The output includes a cross reference.
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.sp
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The disassembly process is a two pass operation: First the program flow
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is traced starting with the init and run parameters in the file headers.
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The dump routine then prints out the information.
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.SH OPTIONS
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.INDENT 0.0
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.TP
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.B \fB\-r\fP \fI<address\fP>
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\fIfile\fP is raw binary, located at \fI<address>\fP\&.
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.TP
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.B \fB\-b\fP
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\fIfile\fP is an Atari boot image (disk or cassette). Note that neither .ATR
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nor .CAS images are supported: the file must be a raw image with no header
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information. For disks, this is called an XFD file.
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.TP
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.B \fB\-l\fP
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\fIfile\fP is an Atari load file (aka XEX).
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.TP
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.B \fB\-c\fP
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\fIfile\fP is a Commodore 64 executable.
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.TP
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.B \fB\-a\fP
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Generate assembly output. Suppresses the addresses and object
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code normally printed on each line of output, and omits the
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cross\-reference section from the end of the output.
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.TP
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.B \fB\-p\fP \fI<pfile>\fP
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Use predefinition file. See \fBFILE FORMAT\fP for the predef file format.
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Up to 10 \fB\-p\fP options may be included.
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.TP
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.B \fB\-v\fP \fI<address>\fP
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Alternate vector address (normally \fB$FFFA\fP). This option only has
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any effect with raw binaries (\fB\-r\fP option).
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.TP
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.B \fB\-7\fP
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Mask character data to 7\-bit.
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.UNINDENT
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.SH FILES
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.sp
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\fB/usr/share/dis6502/atari8.predef\fP
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.sp
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\fB/usr/share/dis6502/c64.predef\fP
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.sp
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Predefinition files for Atari 8\-bit and Commodore 64, containing the usual
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system equates.
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.SH FILE FORMAT
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.sp
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Lines in a predefinition file consist of:
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.sp
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\fBlabel\fP .eq \fIaddress\fP
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.sp
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\fBlabel\fP .equ \fIaddress\fP
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.INDENT 0.0
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.INDENT 3.5
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Defines a label. The \fB\&.eq\fP and \fB\&.equ\fP forms are equivalent.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\&.jtab2\fP \fIlowaddr,hiaddr,count\fP
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.INDENT 0.0
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.INDENT 3.5
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Defines a table of \fIcount\fP pointers, split into low and
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high byte tables. In assembly code, such a table might look like:
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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; func1, func2, func3 are addresses.
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table_lo: .byte <func1, <func2, <func3
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table_hi: .byte >func1, >func2, >func3
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.sp
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To disassemble these, assuming the address of \fItable_lo\fP is \fB$1000\fP,
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use:
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.INDENT 0.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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\&.jtab2 $1000,$1003,3
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.sp
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\fB\&.rtstab\fP \fIlowaddr\fP,*hiaddr*,*count*
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.INDENT 0.0
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.INDENT 3.5
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Like \fB\&.jtab2\fP, but each entry contains the target address minus one, for use with RTS.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\&.trace\fP \fIaddress\fP
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.INDENT 0.0
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.INDENT 3.5
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Causes the trace process to continue at \fIaddress\fP\&.
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.UNINDENT
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.UNINDENT
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.sp
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\fB\&.stop\fP \fIaddress\fP
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.INDENT 0.0
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.INDENT 3.5
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Causes the trace process to stop at \fIaddress\fP\&.
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.UNINDENT
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.UNINDENT
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.SH COPYRIGHT
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.sp
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dis6502 is distributed under the terms of the Free Software Foundation\(aqs
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General Public License, Version 2. See the file
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/usr/doc/dis6502\-0.12/COPYING for license information.
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.SH AUTHORS
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.sp
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dis6502 was written by Robert Bond, Udi Finkelstein, and Eric Smith.
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.sp
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This man page written for the SlackBuilds.org project
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by B. Watson, and is licensed under the WTFPL.
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.SH SEE ALSO
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.sp
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dis(1), da65(1)
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.sp
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The dis6502 homepage: \fI\%http://www.brouhaha.com/~eric/software/dis6502/\fP
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.\" Generated by docutils manpage writer.
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