參數(shù)資料
型號: 78P0914
廠商: NEC Corp.
英文描述: Common to 78K/0 Series
中文描述: 共同的78K / 0系列
文件頁數(shù): 38/129頁
文件大?。?/td> 644K
代理商: 78P0914
38
CHAPTER 4 INSTRUCTION SET
User's Manual U12326EJ4V0UM
4.2 Instruction Codes
4.2.1 Description of instruction code table
r
rp
RB
R
2
R
1
R
0
reg
P
1
P
0
reg-pair
RB
1
RB
0
reg-bank
0
0
0
R0
X
0
0
RP0
AX
0
0
RB0
0
0
1
R1
A
0
1
RP1
BC
0
1
RB1
0
1
0
R2
C
1
0
RP2
DE
1
0
RB2
0
1
1
R3
B
1
1
RP3
HL
1
1
RB3
1
0
0
R4
E
1
0
1
R5
D
1
1
0
R6
L
1
1
1
R7
H
Bn:
Data:
Low/High byte: 16-bit immediate data corresponding to word
Saddr-offset:
16-bit address lower 8-bit offset data corresponding to saddr
Sfr-offset:
sfr 16-bit address lower 8-bit offset data
Low/High addr: 16-bit immediate data corresponding to addr16
jdisp:
Signed two’s complement data (8 bits) of relative address distance between the start
and branch addresses of the next instruction
fa
10
to fa
0
:
11 bits of immediate data corresponding to addr11
ta
4
to ta
0
:
5 bits of immediate data corresponding to addr5
Immediate data corresponding to bit
8-bit immediate data corresponding to byte
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