Instruction Reference Manual
13
5. OpCode Descriptions
Description
The data in the Accumulator is summed with the Carry Flag and with the data in memory whose location is:
•
held in word register HL, or
•
the sum of the data in index register IX and a displacement value d, or
•
the sum of the data in index register IY and a displacement value d.
The result is then stored in the Accumulator.
ADC A,(HL)
ADC A,(IX+d)
ADC A,(IY+d)
Opcode
Instruction
Clocks
Operation
8E
ADC A,(HL)
5 (2,1,2)
A= A + (HL) + CF
DD 8E d
ADC A,(IX+d)
9 (2,2,2,1,2)
A= A + (IX+d) + CF
FD 8E d
ADC A,(IY+d)
9 (2,2,2,1,2)
A= A + (IY+d) + CF
Flags
ALTD
I/O
S
Z
L/V
C
F
R
SP
S
D
•
•
V
•
•
•
•
Содержание 2000
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