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@@ -0,0 +1,80 @@ +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. |