z08617 ZiLOG Semiconductor, z08617 Datasheet - Page 20

• Manufacturer Part Number: z08617
• Description: Nmos Z8 8-bit Mcu Keyboard Controller
• Manufacturer: ZiLOG Semiconductor

CONDITION CODES
Value
1 0 0 0
0 1 1 1
1 1 1 1
0 1 1 0
1 1 1 0
1 1 0 1
0 1 0 1
0 1 0 0
1 1 0 0
0 1 1 0
1 1 1 0
1 0 0 1
0 0 0 1
1 0 1 0
0 0 1 0
1 1 1 1
0 1 1 1
1 0 1 1
0 0 1 1
0 0 0 0
20
Mnemonic
—
C
NC
Z
NZ
PL
MI
OV
NOV
EQ
NE
GE
L T
GT
LE
UGE
ULT
UGT
ULE
F
Meaning
Always True
Carry
No Carry
Zero
Not Zero
Plus
Minus
Overflow
No Overflow
Equal
Not Equal
Greater Than or Equal
Less than
Greater Than
Less Than or Equal
Unsigned Greater Than or Equal
Unsigned Less Than
Unsigned Greater Than
Unsigned Less Than or Equal
Never True (Always False)
(S XOR V) = 1
Flags Set
—
C = 1
C = 0
Z = 1
Z = 0
S = 0
S = 1
V = 1
V = 0
Z = 1
Z = 0
(S XOR V) = 0
[Z OR (S XOR V)] = 0
[Z OR (S XOR V)] = 1
C = 0
C = 1
(C = 0 AND Z = 0) = 1
(C OR Z) = 1
—
Z08617 NMOS Z8
K
EYBOARD
®
C
8-B
ONTROLLER
IT
MCU