62
Table 2-6
Effective Address Calculation
Register indirect with post-increment or
pre-decrement
• Register indirect with post-increment @ERn+
No.
Addressing Mode and Instruction Format
Effective Address Calculation
Effective Address (EA)
1
Register direct (Rn)
op
rm
rn
Operand is general register contents.
Register indirect (@ERn)
2
Register indirect with displacement
@(d:16, ERn) or @(d:32, ERn)
3
• Register indirect with pre-decrement @–ERn
4
General register contents
General register contents
Sign extension
disp
General register contents
1, 2, or 4
General register contents
1, 2, or 4
Byte
Word
Longword
1
2
4
Operand Size
Value added
31
0
31
0
31
0
31
0
31
0
31
0
31
0
31
0
31
0
op
r
r
op
op
r
r
op
disp
24
23
Don’t care
24
23
Don’t care
24
23
Don’t care
24
23
Don’t care
Содержание H8S/2645
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Страница 235: ...203 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 8 8 Memory Mapping in Block Transfer Mode ...
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Страница 837: ...805 A 2 Instruction Codes Table A 2 shows the instruction codes ...
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