HD6432633 Datasheet, PDF (131/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Figure 2-12 shows examples of instruction formats.
(1) Operation field only
op
NOP, RTS, etc.
(2) Operation field and register fields
op
rn
rm
ADD.B Rn, Rm, etc.
(3) Operation field, register fields, and effective address extension
op
rn
EA (disp)
rm
MOV.B @(d:16, Rn), Rm, etc.
(4) Operation field, effective address extension, and condition field
op
cc
EA (disp)
BRA d:16, etc.
Figure 2-12 Instruction Formats (Examples)
77