
UM008007-0715 Z80 Instruction Description
Z80 CPU
User Manual
149
ADC A, s
Operation
A ← A + s + CY
Op Code
ADC
Operands
A, s
This s operand is any of r, n, (HL), (IX+d), or (lY+d) as defined for the analogous ADD
instruction. These possible op code/operand combinations are assembled as follows in the
object code:
10 001
r*
11 0 10101
CE
n
10 0 10101
8E
11 1 10101
DD
10 0 10101
8E
d
11 1 01111
FD
10 0 10101
8E
d
ADC A,r
ADC A,n
ADC A, (HL)
ADC A, (IX+d)
ADC A, (IY+d)
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