as understands the following addressing modes for the SH.
Rn in the following refers to any of the numbered
registers, but not the control registers.
Rn@Rn@-Rn@Rn+@(disp, Rn)@(R0, Rn)@(disp, GBR)GBR offset
@(R0, GBR)@(disp, PC)as implementation allows you to use the simpler form
addr anywhere a PC relative address is called for; the alternate
form is supported for compatibility with other assemblers.
#imm