< %27
7UGT U /CPWCN
%QPFKVKQP $KVU #HHGEVGF 1RQH
'ZCORNG
80
GHILQHG LQ WKH WDEOH EHORZ ZKLFK DOVR VSHFLILHV WKH FRUUHVSRQGLQJ FF ELW
ILHOGV LQ WKH DVVHPEOHG REMHFW FRGH
FF
000
001
010
011
100
101
110
111
,I
LV WUXH
cc
0 &\FOHV
5
,I
LV IDOVH
cc
0 &\FOHV
3
,I WKH & )ODJ LQ WKH ) UHJLVWHU LV UHVHW WKH FRQWHQWV RI WKH 3URJUDP &RXQWHU
DUH
WKH FRQWHQWV RI WKH 6WDFN 3RLQWHU DUH
1A47H
ORFDWLRQV KDYH WKH FRQWHQWV
/RFDWLRQ
1A47H
1448H
1A49H
WKHQ LI DQ LQVWUXFWLRQ IHWFK VHTXHQFH EHJLQV WKH E\WH LQVWUXFWLRQ
LV IHWFKHG WR WKH &38 IRU H[HFXWLRQ 7KH PQHPRQLF HTXLYDOHQW RI
D43521H
WKLV LV &$// 1&
2135H
PHPRU\ DGGUHVV
3001H
&RQGLWLRQ
NZ non zero
Z zero
NC non carry
C carry
PO parity odd
PE parity even
P sign positive
M sign negative
7 6WDWHV
17 (4, 3, 4, 3, 3)
7 6WDWHV
10 (4, 3, 3)
&RQWHQWV
D4H
35H
21H
$W H[HFXWLRQ RI WKLV LQVWUXFWLRQ WKH FRQWHQWV RI
LV
WKH FRQWHQWV RI DGGUHVV
1AH
5HOHYDQW
)ODJ
Z
Z
C
Z
P/V
P/V
S
S
0+] (7
4.25
0+] (7
2.50
DQG PHPRU\
3002H
LV
3000H
4AH
= ,QVWUXFWLRQ 6HW
WKH
Need help?
Do you have a question about the Z80 and is the answer not in the manual?
Questions and answers