upd7566a Renesas Electronics Corporation., upd7566a Datasheet - Page 28

• Manufacturer Part Number: upd7566a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

Load/Store
Arithmetic
Operation
Accumulator/
Carry Flag
Manipulation
Increment/
Decrement
Memory bit
Manipulation
Instructions
LAI
LHI
LAM
LHLI
ST
STII
XAL
XAM
AISC
ASC
ACSC
EXL
CMA
RC
SC
ILS
IDRS
DLS
DDRS
RMB
SMB
monic
Mne-
n4
n2
pr
n5
n4
pr
n4
mem
mem
bit
bit
rand
ope-
0 0 0 1 I
0 0 1 0 1 0 I
0 1 0 1 0 0 R
1 1 0 I
0 1 0 1 0 1 1 1
0 1 0 0 I
0 1 1 1 1 0 1 1
0 1 0 1 0 1 R
0 0 0 0 I
0 1 1 1 1 1 0 1
0 1 1 1 1 1 0 0
0 1 1 1 1 1 1 0
0 1 1 1 1 1 1 1
0 1 1 1 1 0 0 0
0 1 1 1 1 0 0 1
0 1 0 1 1 0 0 1
0 0 1 1 1 1 0 1
0 1 0 1 1 0 0 0
0 0 1 1 1 1 0 0
0 1 1 0 1 0 B
0 1 1 0 1 1 B
B1
4
I
3
3
3
3
I
I
I
I
2
2
2
2
I
I
I
I
1
1
1
1
1
1
1
1
1
OP Code
R
R
B
B
I
I
I
I
I
0
0
0
0
0
0
0
0
0
0 0 D
0 0 D
5
5
D
D
4
4
B2
D
D
3
3
D
D
2
2
D
D
1
1
D
D
0
0
A
H
A
H
(HL)
(HL)
A
A
A
A
A, C
A
A
C
C
L
(mem)
L
(mem)
(HL)
(HL)
L + 1
L - 1
0
1
n4
n2
(pr) pr = HL-, HL+, HL
0 I
L
(pr) pr = HL-, HL+, HL
A + n4
A + (HL)
A V (HL)
A
bit
bit
4
A
n4, L
A + (HL) + C
, L
0
1
(mem) + 1
(mem) - 1
I
3-0
L+1
Operation
Exclusive-ORs accumulator contents
Loads n4 to accumulator
Loads n2 to register H
Loads memory contents addressed
by pr to accumulator
Loads n5 to registerpair HL
Stores accumulator contents to
memory addressed by HL
Stores n4 in memory addressed by
HL and then increments L register
contents
Exchanges accumulator contents with
L register contents
Exchanges accumulator contents with L = FH (HL-)
contents of memory addressed by pr
Adds accumulator contents to n4
Adds accumulator contents to
contents of memory addressed by HL
Adds accumulator contents to
contents of memory addressed by HL
with carry flag
with contents of memory addressed
by HL
Complements accumulator contents
Resets carry flag
Sets carry flag
Increments L register contents
Increments contents of memory
addressed by mem
Decrements L register contents
Decrements contents of memory
addressed by mem
Resets bit, specified by B
memory addressed by HL
Sets bit, specified by B
memory addressed by HL
1-0
, of
1-0
, of
String-effect
LAI
L = FH (HL-)
L = 0 (HL+)
String-effect
LHLI
L = 0 (HL+)
Carry
Carry
Carry
L = 0
(mem) = 0
L = FH
(mem) = FH
Condition
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