HYUNDAI MicroElectonics
18
Terminology List
Terminology
Description
A
A - Register
X
X - Register
Y
Y - Register
PSW
Program Status Word
C
Carry Flag of PSW
V
Overflow Flag of PSW
N
Negative Flag of PSW
I
Master Interrupt Enable Flag of PSW
Z
Zero Flag of PSW
H
Half Carry Flag of PSW
B
Break Flag of PSW (software interrupt)
G
G flag of PSW (Direct Page)
PC
Program Counter
SP
Stack Pointer
#imm
8-Bit Immediate Data
dp
Direct Page Offset Address
!abs
Absolute Address
[ ]
Indirect Address
{ }
Register Indirect Address
{ }+
Register Indirect Address, Register Auto-Increment
.bit
Bit Position
A.bit
Bit Position of A - Register
dp.bit
Bit Position of Direct Page Memory
M.bit
Bit Position of Memory ( 000
H
0FFF
H
)
rel
Relative Addressing Data
upage
U - Page( 0FF00
H
0FFFF
H
) Offset Address
n
Table CALL Number ( 0
15 )
x
Indicate Upper Nibble of Op code
Bit Position
y
Indicate Upper Nibble of Op code
Bit Position
Assignment / Transfer / Shift Left
Shift Right
Exchange
H,h
Hexadecimal
D,d
Decimal
B,b
Binary
( )
Contents of
Addition
Subtraction
Multiplication
Division
Equal
Not Equal
Logical AND
Logical OR
⊕
⊕
⊕
⊕
Exclusive OR
~
Logical NOT
0
1