Filter
Top Products
CHAPTER 11 INSTRUCTION SET
239
User’s Manual U10676EJ3V0UM
(2) Conventions for explanation of operation
A: A register; 4-bit accumulator
B: B register
C: C register
D: D register
E: E register
H: H register
L: L register
X: X register
XA: Register pair (XA); 8-bit accumulator
BC: Register pair (BC)
DE: Register pair (DE)
HL: Register pair (HL)
XA’: Expansion register pair (XA’)
BC’: Expansion register pair (BC’)
DE’: Expansion register pair (DE’)
HL’: Expansion register pair (HL’)
PC: Program counter
SP: Stack pointer
CY: Carry flag; bit accumulator
PSW: Program status word
MBE: Memory bank enable flag
RBE: Register bank enable flag
PORTn: Port n (n = 3, 6, 7, 8)
IME: Interrupt master enable flag
IPS: Interrupt priority select register
IE×××: Interrupt enable flag
RBS: Register bank select flag
MBS: Memory bank select flag
PCC: Processor clock control register
. : Address or bit delimiter
(××): Contents addressed by ××
××H: Hexadecimal data