Example – Zilog Z08470 User Manual
Page 251
UM008007-0715
Z80 Instruction Description
Z80 CPU
User Manual
239
P/V is set if the parity of the Accumulator is even after an operation; otherwise, it is reset.
N is reset.
C is not affected.
Example
The HL register pair contains
5000h
and the Accumulator and memory location
5000h
contain the following data.
Upon the execution of an RRD instruction, the Accumulator and memory location
5000h
now contain:
1
0
0
0
0
1
0
0
7
6
4
1
0
2
5
3
Accumulator
0
0
0
0
0
0
1
0
7
6
4
1
0
2
5
3
(5000h)
1
0
0
0
0
0
0
0
7
6
4
1
0
2
5
3
Accumulator
0
1
0
1
0
0
0
0
7
6
4
1
0
2
5
3
(5000h)