UPD78F9418A NEC, UPD78F9418A Datasheet - Page 269
UPD78F9418A
Manufacturer Part Number
UPD78F9418A
Description
(UPD7894xxA) 8-Bit Single Chip Microcontrollers
Manufacturer
NEC
Datasheet
1.UPD78F9418A.pdf
(319 pages)
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20.1.2 Description of “Operation” column
20.1.3 Description of “Flag” column
A:
X:
B:
C:
D:
E:
H:
L:
AX:
BC:
DE:
HL:
PC:
SP:
PSW:
CY:
AC:
Z:
IE:
NMIS:
( ):
X
∧:
∨:
V:
addr16: 16-bit immediate data or label
jdisp8: Signed 8-bit data (displacement value)
(Blank): Unchanged
0:
1:
x:
R:
H
, X
:
L
: Higher 8 bits and lower 8 bits of 16-bit register
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
Interrupt request enable flag
Flag indicating non-maskable interrupt servicing in progress
Memory contents indicated by address or register contents in parenthesis
Logical product (AND)
Logical sum (OR)
Exclusive logical sum (exclusive OR)
Inverted data
Cleared to 0
Set to 1
Set/cleared according to the result
Previously saved value is restored
CHAPTER 20 INSTRUCTION SET
User’s Manual U13952EJ3V0UD
269
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