ZiLOG Z80 User Manual page 168

< %27
7UGT U /CPWCN

1RGTCVKQP
1R %QFG
1RGTCPFU
80
$ ‘ $  V  &<
6%&
$ V
7KH V RSHUDQG LV DQ\ RI U Q +/  ,;G  RU O<G DV GHILQHG IRU WKH
DQDORJRXV $'' LQVWUXFWLRQV 7KHVH SRVVLEOH 2S &RGHRSHUDQG
FRPELQDWLRQV DUH DVVHPEOHG DV IROORZV LQ WKH REMHFW FRGH
SBC A, r
SBC A, n
SBC A, (HL)
SBC A, (IX+d)
SBC A, (IY+d)
U LGHQWLILHV UHJLVWHUV % & ' ( + / RU $ DVVHPEOHG DV IROORZV LQ WKH
REMHFW FRGH ILHOG DERYH
6%& $ V
1 0 0 1 1
1 1 0 1 1
n
1 0 0 1 1
1 1 0 1 1
1 0 0 1 1
d
1 1 1 1 1
1 0 0 1 1
d
r*
DE
1 1 0
9E
1 1 0
DD
1 0 1
9E
1 1 0
FD
1 0 1
9E
1 1 0
= ,QVWUXFWLRQ 6HW