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ABOUT
-----
Saturn-tools is a suite of software for creating and manipulating disk
images compatible with the Sega Saturn game console.
REQUIREMENTS
------------
To compile this software, you will need:
- GNU make
- A working C99/POSIX.1-2001 toolchain for the target system
- A working GCC-compatible C99 toolchain for the SH2 architecture
- Access to a Sega Saturn game disk
To use the saturn-mkiso program, you will additionally need at runtime:
- mkisofs from cdrecord, cdrkit, or another compatible source
INSTALLATION
------------
Optionally, edit the config.mak file to tell the build system where to
find your toolchains, what compilation options to use, and where to
install the software.
Run these commands to build and install the software:
make
make install
The saturn-mkboot utility requires access at runtime to a "security
code" binary that must be part of the boot sector before the Saturn
will consent to boot a disk. This security code is protected by
copyright, and is therefore not distributed as part of this package.
Assuming you have a legitimate Sega Saturn, you can extract it
yourself. Run:
dd if=/dev/sr0 of=securitycode.bin bs=256 skip=1 count=13
Replacing /dev/sr0 with the name of the device containing a Saturn game
disk. Place the resulting securitycode.bin file in the
$(prefix)/share/saturn-tools/ directory (which is, by default,
/usr/local/share/saturn-tools/) for saturn-mkboot to find it.
USAGE
-----
All programs that are part of this suite will print full usage
information when invoked with the -h option.
saturn-mkboot is used to create a Saturn-compatible boot sector. The
basic usage is as follows:
saturn-mkboot -i simple -o aip.bin
The output file is specified with the -o argument. By convention, it is
named aip.bin.
The -i option identifies the bootstrap code used to launch the software
on the disk. The "simple" boot code simply jumps to the code contained
in the first file on the disk, and is what most homebrew Saturn
software probably expects. The "elf" boot code assumes that the first
file on the disk is a statically linked ELF executable and loads it.
The argument to the -i option can be a file, or if no matching file is
found, one of the files in the installed data directory (by default,
/usr/local/share/saturn-tools).
saturn-mkiso is used to combine the aip.bin generated by saturn-mkboot
with the other files to go on the disk into an iso9660 image which can
be burnt to a CD-ROM and booted on the Saturn. The basic usage is:
saturn-mkiso -b aip.bin -o disk.iso 00boot.bin...
Where aip.bin is the output from saturn-mkboot, disk.iso is the output
of this command, and 00boot.bin and any following arguments are files
to be included on the disk. The executable code to be run is usually in
a file named 00boot.bin to ensure it is seen as the "first" file on the
disk.
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