Instruction Reference Manual
17
Description
The data in A is summed with the data in the memory location whose address is:
•
held in HL, or
•
the sum of the data in IX and a displacement value d, or
•
the sum of the data in IY and a displacement value d.
The result is stored in A.
ADD A,(HL)
ADD A,(IX+
d
)
ADD A,(IY+
d
)
Opcode
Instruction
Clocks
Operation
86
ADD A,(HL)
5 (2,1,2)
A = A + (HL)
DD 86
d
ADD A,(IX+
d
)
9 (2,2,2,1,2)
A = A + (IX+
d
)
FD 86
d
ADD A,(IY+
d
)
9 (2,2,2,1,2)
A = A + (IY+
d
)
Flags
ALTD
I/O
S
Z
L/V
C
F
R
SP
S
D
•
•
V
•
•
•
•
Summary of Contents for 2000
Page 2: ...ii Rabbit 2000 3000 Microprocessor...
Page 4: ...iv Rabbit 2000 Microprocessor...
Page 16: ...12 Rabbit 2000 3000 Microprocessor...
Page 164: ...160 Instruction Reference Manual...