Z08617 Datasheet, PDF (20/26 Pages) Zilog, Inc. – NMOS Z8 8-BIT MCU KEYBOARD CONTROLLER

CONDITION CODES
Value
1000
0111
1111
0110
1110
1101
0101
0100
1100
0110
1110
1001
0001
1010
0010
1111
0111
1011
0011
0000
Mnemonic
—
C
NC
Z
NZ
PL
MI
OV
NOV
EQ
NE
GE
LT
GT
LE
UGE
ULT
UGT
ULE
F
Z08617 NMOS Z8^® 8-BIT MCU
KEYBOARD CONTROLLER
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)
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
(S XOR V) = 1
[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
—
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