參數(shù)資料
型號(hào): UPD178F054
英文描述: 78K/0 Series for Instructions | User's Manual[10/2001]
中文描述: 78K線/ 0系列說明|用戶手冊[10/2001]
文件頁數(shù): 62/129頁
文件大小: 644K
代理商: UPD178F054
38
CHAPTER 4 INSTRUCTION SET
User's Manual U12326EJ4V0UM
4.2 Instruction Codes
4.2.1 Description of instruction code table
rrp
RB
R2
R1
R0
reg
P1
P0
reg-pair
RB1
RB0
reg-bank
0
R0
X
0
RP0
AX
0
RB0
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
R3
B
1
RP3
HL
1
RB3
100
R4
E
101
R5
D
110
R6
L
111
R7
H
Bn:
Immediate data corresponding to bit
Data:
8-bit immediate data corresponding to byte
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
fa10 to fa0:
11 bits of immediate data corresponding to addr11
ta4 to ta0:
5 bits of immediate data corresponding to addr5
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