z86e63 ZiLOG Semiconductor, z86e63 Datasheet - Page 57

• Manufacturer Part Number: z86e63
• Description: Cmos Z8 16k/32k Eprom Microcontroller
• Manufacturer: ZiLOG Semiconductor

CONDITION CODES
PS014401-1001
Flags. Control register (R252) contains the following six flags:
Affected flags are indicated by:
Table 31. Condition Codes
Value
1000
0111
1111
0110
1110
1101
0101
0100
1100
0110
1110
1001
Mnemonic Meaning
C
NC
Z
NZ
PL
MI
OV
NOV
EQ
NE
GE
Symbol Meaning
C
Z
S
V
D
H
Symbol Meaning
0
1
*
-
x
Always True
Carry
No Carry
Zero
Not Zero
Plus
Minus
Overflow
No Overflow
Equal
Not Equal
Greater Than or Equal
Carry flag
Zero flag
Sign flag
Overflow flag
Decimal-adjust flag
Half-carry flag
Clear to zero
Set to one
Set to clear according to
operation
Unaffected
Undefined
CMOS Z8 16K/32K EPROM Microcontroller
(S XOR V) = 0
Flags Set
C = 1
C = 0
Z = 1
Z = 0
S = 0
S = 1
V = 1
V = 0
Z = 1
Z = 0
Z86E61/E63
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