:
mov < >,<->
xchg <1>,<2>
mov - . .
:
1. mov . , . , fls fld:
mov al,fls
mov fld,al
2. . . .
3. . , . . , . es ds:
mov ax,ds
mov es,ax
, push pop:
push ds; ds
pop es; es
4. cs . . , cs:ip , . mov cs , , .
xchg. , , mov, - , , xchg.
xchg , , . .
1. .
2. ( ) .
1
xchg ax,bx; ax bx
xchg ax,word ptr [si]; ax;; [si]
2
;
ch1 label byte
dw 0f85ch
...
mov al,ch1
xchg ch1+1,al
mov ch1,al
