ZiLOG eZ80 User Manual page 98

ADD A, ir
ADD without Carry
Operation
A ← A+ir
Description
The ir operand is any of IXH, IXL, IYH, or IYL. The ir operand is added to the contents
of the accumulator, A. The result is stored in the accumulator.
Condition Bits Affected
S
Z
H
P/V
N
C
Attributes
Mnemonic
ADD
ADD
ADD
ADD
UM007714-0908
Set if result is negative; reset otherwise.
Set if result is 0; reset otherwise.
Set if carry from bit 3; reset otherwise.
Set if overflow; reset otherwise.
Reset.
Set if carry from bit 7; reset otherwise.
Operand ADL Mode
A,IXH X
A,IXL X
A,IYH X
A,IYL X
Cycle Opcode (hex)
2
DD, 84
2
DD, 85
2
FD, 84
2
FD, 85
®
eZ80 CPU
User Manual
89
CPU Instruction Set