UPD17073 NEC, UPD17073 Datasheet - Page 43

• Manufacturer Part Number: UPD17073
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
• Manufacturer: NEC

operation
Result of
Remark The shaded part indicates that decimal adjustment is not made correctly.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
0
1
2
3
4
5
6
7
8
9
Hexadecimal addition
CY
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
operation
Result of
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
1010B
1011B
1100B
1101B
1110B
1111B
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
1010B
1011B
1100B
1101B
1110B
1111B
CY
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Decimal addition
Table 7-2. Decimal Adjusted Data
operation
Result of
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
1110B
1111B
1100B
1101B
1110B
1111B
1100B
1101B
1010B
1011B
1100B
1101B
operation
Result of
– 9
– 8
– 7
– 6
– 5
– 4
– 3
– 2
– 1
–16
–15
–14
–13
–12
–11
–10
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
Hexadecimal subtraction
CY
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
operation
Result of
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
1010B
1011B
1100B
1101B
1110B
1111B
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
1010B
1011B
1100B
1101B
1110B
1111B
PD17072,17073
CY
Decimal subtraction
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
operation
Result of
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
1100B
1101B
1110B
1111B
1100B
1101B
1110B
1111B
1100B
1101B
1110B
1111B
0000B
0001B
0010B
0011B
0100B
0101B
0110B
0111B
1000B
1001B
43