Hitachi H8/300H Series Programming Manual page 40

Table 1-6 Effective Address Calculation (cont)
No. Addressing Mode and Instruction Format
Absolute address
(5)
@aa:8
op abs
@aa:16
op
@aa:24
op
(6) Immediate #xx:8/#xx:16/#xx:32
op
Effective Address Calculation
abs
abs
IMM
23
23
extension
23
32
Effective Address (EA)
8 7
H'FFFF
16 15
Sign
Operand is immediate data.
0
0
0