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