参数资料
型号: 78064B
厂商: NEC Corp.
英文描述: Common to 78K/0 Series
中文描述: 共同的78K / 0系列
文件页数: 33/129页
文件大小: 644K
代理商: 78064B
33
CHAPTER 4 INSTRUCTION SET
User's Manual U12326EJ4V0UM
4.1.2 Description of “operation” column
A:
X:
B:
C:
D:
E:
H:
L:
AX:
BC:
DE:
HL:
PC:
SP:
PSW:
CY:
AC:
Z:
RBS:
IE:
NMIS:
( ):
X
H
, X
L
: Higher 8 bits and lower 8 bits of 16-bit register
V
Logical product (AND)
V:
Logical sum (OR)
V:
Exclusive logical sum (exclusive OR)
—:
Inverted data
addr16: 16-bit immediate data or label
jdisp8:
Signed 8-bit data (displacement value)
A register; 8-bit accumulator
X register
B register
C register
D register
E register
H register
L register
AX register pair; 16-bit accumulator
BC register pair
DE register pair
HL register pair
Program counter
Stack pointer
Program status word
Carry flag
Auxiliary carry flag
Zero flag
Register bank select flag
Interrupt request enable flag
Flag indicating non-maskable interrupt servicing in progress
Memory contents indicated by address or register contents in parentheses
4.1.3 Description of “flag operation” column
(Blank): Unchanged
0:
Cleared to 0
1:
Set to 1
×
:
Set/cleared according to the result
R:
Previously saved value is restored
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