nasm_unix
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2n
n
28 = 256
0
255
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A
B
A
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0
232 1
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N
N+1
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28 1
N
k
Nk 1
99999 = 105
1
281 = 255
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100000 1 = 99999
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255256 =1
254256 =2
28
2n
n
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inv.
+1
inv.
+1
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1
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EAX AH AL
AX
1631 15 8 07
EBX BH BL
BX
1631 15 8 07
ECX CH CL
CX
1631 15 8 07
EDX DH DL
DX
1631 15 8 07
1631 15 0
ESI SI
1631 15 0
EDI DI
1631 15 0
EBP BP
1631 15 0
SPESP
1631 15 0
IPEIP
CS
15 0
SS
15 0
DS
15 0
ES
15 0
FS
15 0
GS
15 0
15 031EFLAGS
FLAGS
16
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EAX
EBX
ECX
EDX
ESI
EDI
EBP
ESP
EAX
EBX
ECX
EDX
ESI
EDI
EBP
1
2
4
8
+*
+CONSTANT
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N
N
N
15 4 = 60
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nm + 1
n
m
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236
235
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a < b
a
b
a
b
a
b
a
b
a b a < b
a < b
=
a
b
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a b
a= b
= 1
a=b
= 0
a < b
=
a b =
= 1
a > b
=
= 0
a b =
a < b
= 1
a b
= 1
= 1
a > b
= 0
= 0
a b = 0
a
b
a
b
a < b
a b
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232
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SHR 0 CF
CFSHL, SAL 0
CFSAR
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n
n 1
n
n+1
n
2n
2n
2n
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25
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. EBP
[EBP-8]
[EBP-12]
[EBP-16]
[EBP+8]
[EBP+12]
[EBP+16]
[EBP]
[EBP-4]
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n
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2 + n
n
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n
n
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2
3
1
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()
1 1
2
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M
1 M < 2
P
s
1
N = (1)sM2P
1
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R0 ST(5)
R3 ST/ST(0)
R4
R1
R2
R5
ST(6)
ST(7)
ST(1)
ST(2)
ST(4)
R6 ST(3)
R7
SR
TW
CR
FIP
FDP
top = 3
n
n
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n
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n
n
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1.0
+0.0
log2 e
log210 ln 2 lg 2
n
n
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(x+y)(1z)
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1
arctg y
x
x
y
y
2x 1 x
1 y log2x y log2(x+ 1) x y
x 1 +2
2
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n
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15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
TOPB C3 C2 C1 C0 IR SF PE UE OE ZE DE IE
IC RC PC IEM PM UM OM ZM DM IM
tag7 tag6 tag5 tag4 tag3 tag2 tag1 tag0
CR
SR
TW
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n
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