SEGA SATURN DEVELOPER'S MANUAL

1.2 SH-2 interface SH-2 interface register: The SH-2 interface register is a register used to output commands, command parameter settings and status display from the SH-2, and result parameters.
Figure 1.3 shows the address map of the SH-2 interface register.
Figure 1.3 SH-2 interface register address map

1.2 SH-2 interface