參數(shù)資料
型號(hào): μPD703008
廠商: NEC Corp.
英文描述: 16/32 Bit RISC Microcontrollers(16/32位RISC微控制器)
中文描述: 16/32位RISC微控制器(16/32位的RISC微控制器)
文件頁數(shù): 63/141頁
文件大小: 374K
代理商: ΜPD703008
51
CHAPTER 5 INSTRUCTION
LD
Load
Instruction format
(1) LD.B disp16 [reg1], reg2
(2) LD.H disp16 [reg1], reg2
(3) LD.W disp16 [reg1], reg2
Operation
(1) adr
GR [reg1] + sign-extend (disp16)
GR [reg2]
sign-extend (Load-memory (adr, Byte))
(2) adr
GR [reg1] + sign-extend (disp16)
GR [reg2]
sign-extend (Load-memory (adr, Halfword))
(3) adr
GR [reg1] + sign-extend (disp16)
GR [reg2]
Load-memory (adr, Word)
Format
Format VII
Op code
15
0 31
16
(1)
rrrrr111000RRRRR dddddddddddddddd
15
0 31
16
(2)
rrrrr111001RRRRR ddddddddddddddd0
ddddddddddddddd is the higher 15 bits of disp16.
15
0 31
16
(3)
rrrrr111001RRRRR ddddddddddddddd1
ddddddddddddddd is the higher 15 bits of disp16.
Flag
CY
OV
S
Z
SAT
Instruction
(1) LD.B Load Byte
(2) LD.H Load Half-word
(3) LD.W Load Word
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