27
Table 2.8
Addressing Modes and Effective Addresses (cont)
Addressing
Mode
Mnemonic
Expression
Effective Addresses Calculation
Equation
Immediate
addressing
#imm:8
The 8-bit immediate data (imm) for the TST, AND,
OR, and XOR instructions is zero-extended.
—
#imm:8
The 8-bit immediate data (imm) for the MOV, ADD,
and CMP/EQ instructions is sign-extended.
—
#imm:8
Immediate data (imm) for the TRAPA instruction is
zero-extended and is quadrupled.
—
2.3.3
Instruction Formats
The instruction format refers to the source operand and the destination operand. The meaning of
the operand depends on the instruction code. Symbols are as follows.
xxxx
Instruction code
mmmm
Source register
nnnn
Destination register
iiii
Immediate data
dddd
Displacement
Содержание HD6417032
Страница 21: ......
Страница 35: ...xiv ...
Страница 85: ...50 ...
Страница 101: ...66 ...
Страница 129: ...94 ...
Страница 135: ...100 ...
Страница 343: ...308 ...
Страница 369: ...334 ...
Страница 383: ...348 ...
Страница 475: ...440 ...
Страница 525: ...490 CK RAS CAS TRp TRc TRcc tRASD1 tRASD2 tCASD3 tCASD2 TRr tCSR Figure 20 18 Self Refresh ...
Страница 578: ...543 CK RAS CAS TRp TRc TRcc tRASD1 tRASD2 tCASD3 tCASD2 TRr tCSR Figure 20 62 Self Refresh ...
Страница 689: ...654 ...