Anhang - Sharp Pc-1600 Systemhandbuch

Bitmanipulationsbefehle (Set, Reset, Test)
(10)
Mnemonic
Operation
code
BIT b.r
Z-r"
BIT b,(HL)
Z-(HL)"
BIT b,(lX +d)
Z-(lX+d)"
---
BIT b, (lY + d)
Z-(lY+d)b
SET b,r
rb <-I
SET b,(HL) (HL)b+-1
SET b,(lX+d) (IX +dh
SET b, (lY + d) (lY+d)b<-1
RES b,s
Sb-O
s=r,(HL),
(IX + d),
(lY +d)
Flags
C Z PN S N
•
t
X X 0
•
t
X X 0
•
t
X X 0
•
t
X X 0
• • •
• •
• • •
• •
•
• • • •
<-I
• • • •
• •
Do not sale !
OP code
No.of No.of
bytes M cydes T states
H 76543210
1 11 001 011 2 2
01 b r
11 001 011 2 3
1
01 b 110
11 011 101 4 5
1
11 001 011
+-
d -+
01 b 110
11 111 101 4 5
1
11 001 011
+-
d
-+
01 b 110
•
2
2
11 001 011
[!J
b r
•
2 4
11 001 011
[!J
b 110
•
4 6
11 011 101
11 001 0.11
.....
+-
d
[!J
b 110
6
11 111 101 4
11 001 011
<-
d
-+
[ITJ
b 110
[!Q]
293
No.of
Remarks
Register
8 r
000 B
12 001
C
010 D
Oll
E
20
100
H
101 L
111 A
b Test bit
20
000 0
001 1
2
010
011 3
8
4
100
101 5
15
6
110
7
111
23
23
Reset bit b of the operand
s.

Anhang

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