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NSC800N Datasheet(PDF) 42 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # NSC800N
Description  NSC800TM High-Performance Low-Power CMOS Microprocessor
PDF  76 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

NSC800N Datasheet(HTML) 42 Page - National Semiconductor (TI)

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126 8-Bit Arithmetic (Continued)
XOR
m1
The data in memory location m1 is exclusively OR’ed with
the data in the Accumulator
A
w A Z m1
S Set if result is negative
Z Set if result is zero
H Reset
PV Set if result parity is even
N Reset
C Reset
76543210
10101110
XOR (HL)
Timing
M cycles2
T states7 (4 3)
Addressing Mode
SourceRegister Indexed
DestinationImplied
76
5
43210
XOR (IX a d) (for NXe0)
11NX 11101
XOR (IY a d) (for NXe1)
10
1
01110
d
Timing
M cycles5
T states19 (4 4 3 5 3)
Addressing Mode
SourceIndexed
DestinationImplied
CP
m1
Compare the data in memory location m1 with the data in
the Accumulator via subtraction
A b m1
S Set if result is negative
Z Set if result is zero
H Set if borrow from bit 4
PV Set if result exceeds 8-bit 2’s
complement range
N Set
C Set according to borrow
condition
76543210
10111110
CP (HL)
Timing
M cycles2
T states7 (4 3)
Addressing Mode
SourceRegister Indirect
DestinationImplied
76
5
43210
CP (IX a d) (for NXe0)
11NX 11101
CP (IY a d) (for NXe1)
10
1
11110
d
Timing
M cycles5
T states19 (4 4 3 5 3)
Addressing Mode
SourceIndexed
DestinationImplied
INC
m1
Increment data in memory location m1
m1
w m1 a 1
S Set if result is negative
Z Set if result is zero
H Set according to carry from bit
3
PV Set if data was X’7F before op-
eration
N Reset
C NA
76543210
00110100
INC (HL)
Timing
M cycles3
T states11 (4 4 3)
Addressing Mode
SourceRegister Indexed
DestinationRegister Indexed
76
5
43210
INC (IX a d) (for NXe0)
11NX 11101
INC (IY a d) (for NXe1)
00
1
10100
d
Timing
M cycles6
T states23 (4 4 3 5 4 3)
Addressing Mode
SourceIndexed
DestinationIndexed
DEC
m1
Decrement data in memory location m1
m1
w m1 b 1
S Set if result is negative
Z Set if result is zero
H Set according to borrow from
bit 4
PV Set only if m1 was X’80 before
operation
N Set
C NA
42



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