Datasheet

Section 2 CPU
R01UH0309EJ0500 Rev. 5.00 Page 73 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
op
op
rn
rm
NOP, RTS, etc.
ADD.B Rn, Rm, etc.
MOV.B @(d:16, Rn), Rm, etc.
rn rm
op
EA (disp)
op cc EA (disp) BRA d:16, etc.
(1) Operation field only
(2) Operation field and register fields
(3) Operation field, register fields, and effective address extension
(4) Operation field, effective address extension, and condition field
Figure 2.11 Instruction Formats (Examples)