Zilog Z8F0130 - Manual (Page 147)

eZ8
™
CPU Core
User Manual
UM012820-0810 DA Instruction
132
Flags
Table 24. Operation of the DAA Instruction
Instruction
Carry
Before DA
Bits 7–4
Value
(Hex)
H Flag
Before DA
Bits 3–0
Value
(Hex)
Number
Added To
Byte
Carry
After DA
ADD\ADC 0 0-9 0 0-9 00 0
0 0-8 0 A-F 06 0
0 0-9 1 0-3 06 0
0 A-F 0 0-9 60 1
0 9-F 0 A-F 66 1
0 A-F 1 0-3 66 1
1 0-2 0 0-9 60 1
1 0-2 0 A-F 66 1
1 0-3 1 0-3 66 1
SUB\SBC 0 0-9 0 0-9 00 0
0 0-8 1 6-F FA 0
1 7-F 0 0-9 A0 1
1 6-F 1 6-F 9A 1
C Set if there is a carry from bit 7; reset otherwise
Z Set if the result is zero; reset otherwise
S Set if Bit 7 of the result is set; reset otherwise
V Undefined
D Unaffected
H Unaffected