journal of all scince V.1. NO.1 | Page 50

.8
ax:0101 0100 1110 1000

% UK

CF P@2 ? 8 H

/ * % ror

CF=1
: &$F/

stc
clc
cmc

rcr ax,1 8

?, : (< "

CF =1
CF =1
CF = not CF
: 2F : (< "

loop L:
loopz L,loope L:
loopnz L, loopne L:

dec cx, if cx<>0 jmp L
dec cx, if cx<>0 and ZF=1 jmp L
dec cx, if cx<>0 and ZF=0 jmp L
:
K

(< "

8086

c Q-

" Q (" : (< "

B

mov (both forms)

add, sub, cmp, and, or,

reg, reg

5

7

reg, xxxx

6-7

8-9

reg, [bx]

7-8

9-10

reg, [xxxx]

8-10

10-12

reg, [xxxx+bx]

10-12

not

jmp jxx

12-14

A" '("# \ (

[bx], reg

7-8

[xxxx], reg

8-10

[xxxx+bx], reg

10-12

reg

6

[bx]

9-11

[xxxx]

10-13

[xxxx+bx]

12-15

xxxx

6-7 6-8
80x86

A

" Q (" " " 4(O4

" " 4(O4

" Q

8
8
16
16
16
16
32
32

8088
80188
8086
80186
80286
80386sx
80386dx
80486
80586 class/ Pentium
(Pro)

64

80x86
"

A

A" '("# 0

" Q (" '("# 4(O4
?/

]+

'("# 4(O4

" Q

*

Z =

1,048,576

20

8088

*

Z =

1,048,576

20

8086

"M

8'