Sharp MZ-80B - Page 105

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
Sy mbolic
Flag s
OP-Co de
1\o.
~o.
No.
of
of
Jl ofT
C omments
Ope ration
c
z
P/V s N H
76 543 210
Byt
es
Cycles
Stat es
Z +- rb
•
t
X X 0 I
11 001 011
2 2 8 r
Reg.
01 b r
000 B
- -
t
X X 0 I 11 001 011 2 3 12 001
c
Z +- (HL)b
•
01
b 110 010
D
- -
t
X 4 20
011
E
Z +- (IX +d) b
•
X 0 I 11 011 101
5
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 Tested
11 001 011
000
0
~
d
-
001
1
01
b 110
010 2
rb ~ 1
• • • • •
•
11 001 011 2 2
8 011 3
!Til
b
r
100 4
(HLh+---1 11 001 011 2
4
15
101
5
•
•
•
•
•
•
110
6
!Til
b 110
111 7
(IX + dh +--- 1
•
•
•
•
•
•
11 011 101 4 6 23
11 001 011
~
d
-
!Til
b 110
(IY + dh+---1
•
•
•
•
•
•
11 111 101
4 6 23
11 001 011
+---
d
-
!Til
b 110
s b+--- 0
[1]]
To form new OP ·c od e
s = r,(HL),
repla ce[!] of SET b, m
(IX + d),
with
[!QJ. Fl ags and I im e
(IY + d)
s tate s for SET in s tru c ti o n.
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
TASLE 4.3-8