CHAPTER 14 INSTRUCTION SET
User's Manual U11919EJ3V0UM00
186
14.1.2 Description of "Operation" column
A
: A register; 8-bit accumulator
X
: X register
B
: B register
C
: C register
D
: D register
E
: E register
H
: H register
L
: L register
AX
: AX register pair; 16-bit accumulator
BC
: BC register pair
DE
: DE register pair
HL
: HL register pair
PC
: Program counter
SP
: Stack pointer
PSW
: Program status word
CY
: Carry flag
AC
: Auxiliary carry flag
Z
: Zero flag
IE
: Interrupt request enable flag
NMIS
: Flag indicating non-maskable interrupt servicing in progress
( )
: Memory contents indicated by address or register contents in parentheses
×
H
,
×
L
: High-order 8 bits and low-order 8 bits of 16-bit register
∧
: Logical product (AND)
∨
: Logical sum (OR)
∨
: Exclusive logical sum (exclusive OR)
: Inverted data
addr16 : 16-bit immediate data or label
jdisp8
: Signed 8-bit data (displacement value)
14.1.3 Description of "Flag" 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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