Sharp MZ-80B Owner's Manual page 107

98
Mnemonic
BIT
b, r
BIT b,(HL)
BIT b,(IX + d)
BIT b, (IY + d)
SET b,r
SET
b,(HL)
SET b,(IX + d)
SET b,(IY + d)
RES b,s
Symbolic
Flags OP -Code
No.
:-l o.
No.
of
of M ofT
Comments
Operation
c z
P/ V
s
N H 76 543 210
Bytes Cycles Sta tes
Z<-rb
•
t
X X
0 1 11 001 011
2 2
8 r
Reg.
01
b
r
000 B
Z <- (HLh
•
t
X
X
0 1 11 001 011 2 3 12 001
c
01
b 110
010 D
- -
t
011 E
Z <- (IX + d) b
•
X X 0
1
11 011 101
4
5
20
11 001 011
100 H
+-
d
~
101 L
01 b 110
111 A
- - -
Z+-(IY + d)b
•
t
X X 0 1 11 111 101 4 5 20 b Bit Test ed
11 001 011
000 0
+-
d
~
001 1
01
b 110
010 2
rb +-1
• • • • • •
11 001 011 2 2 8 011 3
[!!]
b
r
100 4
(HLh +-1
•
11 001 011
2
4
15
101
5
• •
•
• •
[!!]
110 6
b 110
111 7
(IX+dh+-1
• • • • • •
11 011 101 4
6
23
11 001 011
+-
d
~
[!!]
b 110
(IY+dh+-1
• • • • •
•
11 111 101 4 6 23
11 001 011
+-
d
~
[!!]
b 110
sb<-0
[!QJ
To form ne w OP-code
s=r,(HL), replace
!TIJ
of SET b, m
(IX + d), with
[!QJ.
Flags and time
(IY + d) states for SET in struction.
Notes: The notation sb indicates bit b (0 to 7) or location s.
Flag Notation: •
=
flag not affected, 0
=
flag reset, 1
=
flag set, X
=
flag is unknown ,
t
=
flag is affected according to the result of the operation.
BIT SET, RESET AND TEST GROUP
TABLE 4.3-8