Hitachi H8S/2199 Hardware Manual page 71

Table 2.13 Effective Address Calculation
Addressing Mode and
No. Instruction Format
1 Register direct (Rn)
op rm rn
2 Register indirect (@ERn)
op r
3 Register indirect with displacement
@(d:16, ERn) or @(d:32, ERn)
op r
4 Register indirect with post-increment or pre-decrement
•
Register indirect with post-increment @ERn+
op
r
•
Register indirect with pre-decrement @–ERn
op
r
Effective Address
Calculation
31
General register contents
31
General register contents
disp
31
Sign extension
31
General register contents
31
General register contents
Operand
Size
Byte
Word
Longword
0
0
0
disp
0
1, 2, or
4
0
Value
1, 2, or
Added
4
1
2
4
Rev. 1.0, 02/00, page 51 of 1141
Effective Address (EA)
Operand is general register
contents
31 24 23
Don't
care
31
24 23
Don't
care
31 24 23
Don't
care
31 24 23
Don't
care
0
0
0
0