, .
CBW
AL, AL AH;
CWD
(DX,AX).
( )
. 2 .
) .
:
1) ;
2) , ;
3) , ZF ;
4) , .
NOT op; ( )
.
AND op1, op2; op1:= op1^ op2
, 0Fh ^ 15h = 05h
^ | |
OR op1, op2; op1:= op1 v op2
, 0Fh v 15h = 1Fh
XOR op1, op2; op1:= op1Å op2
, 0Fh v 15h = 1Ah
TEST op1, op2; op1^ op2
.
ZF = 1 - , ZF = 0.
, , , .
)
n , 2n, 2 :
p1 , , ;
op2 , .. , 1 CL. 1 , CL CL, n. CL , CL , CL=0, .
.
, AF, CF.
, .
.
() 2, (. .8)
|
|
SHR op,1; 0
.8
() 2 , (. .9).
SAL op,1;
SAR op,1; 0
.9
, (. .10).
ROL op,1;
ROR op,1;
.10
, (. .11).
|
|
RCR op,1
|
|
.11
, LIFO (Last input first output, .. ).
, , . , , , .